Grizzly T27400 Owner's manual

Brand: Grizzly

Model: T27400

Type: Owner's manual

WARNING: NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE

OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC.

#WK18612 PRINTED IN CHINA

We recently discovered the following mistake in the owner's manual:

• Incorrect spindle bearing sizes shown.

This document provides the relevant updates to the owner's manual that no longer applies—aside from this

information, all other content in the owner's manual applies and MUST be read and understood for your own

safety. IMPORTANT: Keep this update with the owner's manual for future reference.

For questions or help, contact our Tech Support at (570) 546-9663 or [email protected].

32A

73A

Correct Spindle Bearings

READ THIS FIRST

For questions or help with this product contact Tech Support at (570) 546-9663 or techsupport@grizzly.com

Model T27400

***IMPORTANT UPDATE***

For Machines Mfd. Since 02/15

and Owner's Manual Printed 08/15

REF PART # DESCRIPTION

29 PT27400029 BALL BEARING 6203Z

30 PT27400030 BALL BEARING 6203Z

35 PT27400035 BALL BEARING 6203Z

36 PT27400036 BALL BEARING 6203Z

WARNING: NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE

OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC.

#JH17457 PRINTED IN CHINA

V1.08.15

MODEL T27400

LATHE TOOL POST GRINDER

OWNER'S MANUAL

(For models manufactured since 02/15)

This manual provides critical safety instructions on the proper setup,

operation, maintenance, and service of this machine/tool. Save this

document, refer to it often, and use it to instruct other operators.

Failure to read, understand and follow the instructions in this manual

may result in fire or serious personal injury—including amputation,

electrocution, or death.

The owner of this machine/tool is solely responsible for its safe use.

This responsibility includes but is not limited to proper installation in

a safe environment, personnel training and usage authorization,

proper inspection and maintenance, manual availability and compre-

hension, application of safety devices, cutting/sanding/grinding tool

integrity, and the usage of personal protective equipment.

The manufacturer will not be held liable for injury or property damage

from negligence, improper training, machine modifications or misuse.

Some dust created by power sanding, sawing, grinding, drilling, and

other construction activities contains chemicals known to the State

of California to cause cancer, birth defects or other reproductive

harm. Some examples of these chemicals are:

• Lead from lead-based paints.

• Crystalline silica from bricks, cement and other masonry products.

• Arsenic and chromium from chemically-treated lumber.

Your risk from these exposures varies, depending on how often you

do this type of work. To reduce your exposure to these chemicals:

Work in a well ventilated area, and work with approved safety equip-

ment, such as those dust masks that are specially designed to filter

out microscopic particles.

Table of Contents

INTRODUCTION ............................................................................................................................... 2

Contact Info ................................................................................................................................ 2

Manual Accuracy ........................................................................................................................ 2

Identification ............................................................................................................................... 3

Machine Data Sheet ................................................................................................................... 4

SECTION 1: SAFETY ....................................................................................................................... 6

Safety Instructions for Machinery ............................................................................................... 6

Additional Safety for Lathe Tool Post Grinders .......................................................................... 8

SECTION 2: POWER SUPPLY ........................................................................................................ 9

SECTION 3: SETUP ....................................................................................................................... 11

Needed for Setup ..................................................................................................................... 11

Unpacking ................................................................................................................................ 11

Inventory ................................................................................................................................... 12

Cleanup .................................................................................................................................... 12

Lathe Requirements ................................................................................................................. 13

Mounting on Tool Post ............................................................................................................. 14

Adjusting Grinder Centerline Height......................................................................................... 15

Test Run ................................................................................................................................... 15

SECTION 4: OPERATIONS ........................................................................................................... 16

Operation Overview.................................................................................................................. 16

Lathe Rotation .......................................................................................................................... 17

Wheel Care .............................................................................................................................. 17

Wheel Inspection ...................................................................................................................... 18

Wheel Selection ....................................................................................................................... 18

Wheel Dressing ........................................................................................................................ 19

Tensioning/Changing Belts ...................................................................................................... 20

Installing Internal Wheel Spindle .............................................................................................. 21

Installing External Wheel Spindle............................................................................................. 23

Installing External Wheel .......................................................................................................... 24

SECTION 5: ACCESSORIES ......................................................................................................... 25

SECTION 6: MAINTENANCE......................................................................................................... 26

Schedule .................................................................................................................................. 26

Cleaning & Protecting .............................................................................................................. 26

Lathe Bedway........................................................................................................................... 26

Lubrication ................................................................................................................................ 26

SECTION 7: SERVICE ................................................................................................................... 27

Troubleshooting ........................................................................................................................ 27

SECTION 8: WIRING ...................................................................................................................... 29

Wiring Safety Instructions ........................................................................................................ 29

T27400 Wiring .......................................................................................................................... 30

SECTION 9: PARTS ....................................................................................................................... 31

Main Breakdown....................................................................................................................... 31

Accessories .............................................................................................................................. 33

Label Placement....................................................................................................................... 34

WARRANTY AND RETURNS ........................................................................................................ 37

-2-

Model T27400 (Mfd. Since 02/15)

INTRODUCTION

We stand behind our machines! If you have ques-

tions or need help, contact us with the information

below. Before contacting, make sure you get the

serial number

and manufacture date from the

machine ID label. This will help us help you faster.

Grizzly Technical Support

1203 Lycoming Mall Circle

Muncy, PA 17756

Phone: (570) 546-9663

Email: [email protected]

We want your feedback on this manual. What did

you like about it? Where could it be improved?

Please take a few minutes to give us feedback.

Grizzly Documentation Manager

P.O. Box 2069

Bellingham, WA 98227-2069

Email: [email protected]

Contact Info

We are proud to provide a high-quality owner’s

manual with your new machine!

made every effort to be exact with the

instruc-

tions, specifications, drawings, and photographs

in this manual. Sometimes we make mistakes, but

our policy of continuous improvement also means

that

sometimes the machine

you receive is

slightly different than shown in the manual

If you find this to be the case, and the difference

between the manual and machine leaves you

confused or unsure about something

check our

website for an updated version. W

e post

current

manuals and

manual updates for free

on our web-

site at

www.grizzly.com.

Alternatively, you can call our Technical Support

for help. Before calling, make sure you write down

the

Manufacture Date and Serial Number

from

the machine ID label (see below). This information

is required for us to provide proper tech support,

and it helps us determine if updated documenta-

tion is available for your machine.

Manufacture Date

Serial Number

Manual Accuracy

Model T27400 (Mfd. Since 02/15)

-3-

Identification

Become familiar with the names and locations of the controls and features shown below to better understand

the instructions in this manual.

To reduce your risk of

serious injury, read this

entire manual BEFORE

using machine.

ON/OFF Toggle Switch

Motor

Belt Guard

External

Grinding Wheel

Spindle & Quill

External Wheel

Guard

Spindle

Elevation

Bolt

Tool Post

Mounting Hole

-4-

Model T27400 (Mfd. Since 02/15)

MODEL T27400

TOOL POST GRINDER

Customer Service #: (570) 546-9663 • To Order Call: (800) 523-4777 • Fax #: (800) 438-5901

MACHINE DATA

SHEET

Model T27400 Page 1 of 2

Product Dimensions:

Weight ............................................................................................................................................................................. 56 lbs.

Width (side-to-side) x Depth (front-to-back) x Height .......................................................................................15 x 12 x 10 in.

Shipping Dimensions:

Type ........................................................................................................................................................................ Wood Crate

Content .......................................................................................................................................................................... Machine

Weight .............................................................................................................................................................................. 71 lbs.

Length/Width/Height ...........................................................................................................................................18 x 16 x 20 in.

Must Ship Upright .................................................................................................................................................................Yes

Electrical:

Power Requirement ........................................................................................................................ 220V, Single-Phase, 60 Hz

Full-Load Current Rating ..................................................................................................................................................... 3.5A

Minimum Circuit Size ........................................................................................................................................................... 15A

Connection Type ..................................................................................................................................................... Cord & Plug

Power Cord Included ............................................................................................................................................................Yes

Power Cord Length ............................................................................................................................................................6

⁄2 ft.

Power Cord Gauge ....................................................................................................................................................... 16 AWG

Plug Included ........................................................................................................................................................................Yes

Included Plug Type ..............................................................................................................................................................6-15

Switch Type .......................................................................................................................................... ON/OFF Toggle Switch

Motor:

Type ...................................................................................................................................................................TEFC Induction

Horsepower ........................................................................................................................................................................

⁄4 HP

Voltage ............................................................................................................................................................................... 220V

Phase .................................................................................................................................................................... Single-Phase

Amps ................................................................................................................................................................................... 3.5A

Speed .........................................................................................................................................................................3450 RPM

Cycle ................................................................................................................................................................................. 60 Hz

Power Transfer ...........................................................................................................................................................Belt Drive

Bearings ............................................................................................................................. Shielded & Permanently Lubricated

Main Specifications:

Operation Information

External Grinding Wheel Speed .......................................................................................................................4500 RPM

External Grinding Wheel Size (Depth x Width x Bore) ............................................................................... 6 x

⁄4 x

⁄8 in.

Internal Grinding Wheel Speed .....................................................................................................................18,500 RPM

Internal Grinding Wheel Size (Depth x Width x Bore) ...............................................................................

⁄16 x

⁄4 in.

Internal Grinding Wheel Spindle Thread ...................................................................................................................M6-1

Max. Tool Post Diameter Capacity .............................................................................................................................1 in.

Lathe Swing Compatibility ................................................................................................................................12 – 22 in.

Height Range of Grinder Spindle Center Line from Compound Slide ...........................................................1

⁄8 – 2

⁄8 in.

Mounting Hole, Slotted (Depth x Length) ........................................................................................................25 x 37mm

Machine Data Sheet

Model T27400 (Mfd. Since 02/15)

-5-

Model T27400 Page 2 of 2

Construction

Body Construction .............................................................................................................................................. Cast Iron

Spindle ........................................................................................................... Balanced, Hardened & Ground Alloy Steel

Paint ................................................................................................................................................................... Urethane

Other Specifications:

Country Of Origin .............................................................................................................................................................. China

Warranty ........................................................................................................................................................................... 1 Year

Serial Number Location ............................................................................................................................ ID Label on Machine

Features:

Mounts directly to lathe tool post

Balanced, hardened alloy steel spindle

Fine vertical height adjustment

Diamond-tipped dresser

Wheel bushing for 32mm bore external wheels

Toolbox with service tools

6" x

⁄

" Aluminum-oxide 60-grit external grinding wheel

⁄

" x

⁄

" Aluminum-oxide 60-grit internal grinding wheel

Interchangeable spindles for external or internal grinding

-6-

Model T27400 (Mfd. Since 02/15)

ELECTRICAL EQUIPMENT INJURY RISKS. You

can be shocked, burned, or killed by touching live

electrical components or improperly grounded

machinery. To reduce this risk, only allow qualified

service personnel to do electrical installation or

repair work, and always disconnect power before

accessing or exposing electrical equipment.

DISCONNECT POWER FIRST.

Always discon-

nect machine from power supply BEFORE making

adjustments, changing tooling, or servicing machine.

This prevents an injury risk from unintended startup

or contact with live electrical components.

EYE PROTECTION. Always wear ANSI-approved

safety glasses or a face shield when operating or

observing machinery to reduce the risk of eye

injury or blindness from flying particles. Everyday

eyeglasses are NOT approved safety glasses.

OWNER’S MANUAL. Read and understand this

owner’s manual BEFORE using machine.

TRAINED OPERATORS ONLY. Untrained oper-

ators have a higher risk of being hurt or killed.

Only allow trained/supervised people to use this

machine. When machine is not being used, dis-

connect power, remove switch keys, or lock-out

machine to prevent unauthorized use—especially

around children. Make workshop kid proof!

DANGEROUS ENVIRONMENTS. Do not use

machinery in areas that are wet, cluttered, or have

poor lighting. Operating machinery in these areas

greatly increases the risk of accidents and injury.

MENTAL ALERTNESS REQUIRED. Full mental

alertness is required for safe operation of machin-

ery. Never operate under the influence of drugs or

alcohol, when tired, or when distracted.

For Your Own Safety, Read Instruction

Manual Before Operating This Machine

The purpose of safety symbols is to attract your attention to possible hazardous conditions.

This manual uses a series of symbols and signal words intended to convey the level of impor-

tance of the safety messages. The progression of symbols is described below. Remember that

safety messages by themselves do not eliminate danger and are not a substitute for proper

accident prevention measures. Always use common sense and good judgment.

Indicates a potentially hazardous situation which, if not avoided,

MAY result in minor or moderate injury. It may also be used to alert

against unsafe practices.

Indicates a potentially hazardous situation which, if not avoided,

COULD result in death or serious injury.

Indicates an imminently hazardous situation which, if not avoided,

WILL result in death or serious injury.

This symbol is used to alert the user to useful information about

proper operation of the machine.

NOTICE

Safety Instructions for Machinery

SECTION 1: SAFETY

Model T27400 (Mfd. Since 02/15)

-7-

WEARING PROPER APPAREL. Do not wear

clothing, apparel or jewelry that can become

entangled in moving parts. Always tie back or

cover long hair. Wear non-slip footwear to reduce

risk of slipping and losing control or accidentally

contacting cutting tool or moving parts.

HAZARDOUS DUST. Dust created by machinery

operations may cause cancer, birth defects, or

long-term respiratory damage. Be aware of dust

hazards associated with each workpiece mate-

rial. Always wear a NIOSH-approved respirator to

reduce your risk.

HEARING PROTECTION. Always wear hear-

ing protection when operating or observing loud

machinery. Extended exposure to this noise

without hearing protection can cause permanent

hearing loss.

REMOVE ADJUSTING TOOLS. Tools left on

machinery can become dangerous projectiles

upon startup. Never leave chuck keys, wrenches,

or any other tools on machine. Always verify

removal before starting!

USE CORRECT TOOL FOR THE JOB. Only use

this tool for its intended purpose—do not force

it or an attachment to do a job for which it was

not designed. Never make unapproved modifica-

tions—modifying tool or using it differently than

intended may result in malfunction or mechanical

failure that can lead to personal injury or death!

AWKWARD POSITIONS. Keep proper footing

and balance at all times when operating machine.

Do not overreach! Avoid awkward hand positions

that make workpiece control difficult or increase

the risk of accidental injury.

CHILDREN & BYSTANDERS. Keep children and

bystanders at a safe distance from the work area.

Stop using machine if they become a distraction.

GUARDS & COVERS. Guards and covers reduce

accidental contact with moving parts or flying

debris. Make sure they are properly installed,

undamaged, and working correctly BEFORE

operating machine.

FORCING MACHINERY. Do not force machine.

It will do the job safer and better at the rate for

which it was designed.

NEVER STAND ON MACHINE. Serious injury

may occur if machine is tipped or if the cutting

tool is unintentionally contacted.

STABLE MACHINE. Unexpected movement dur-

ing operation greatly increases risk of injury or

loss of control. Before starting, verify machine is

stable and mobile base (if used) is locked.

USE RECOMMENDED ACCESSORIES. Consult

this owner’s manual or the manufacturer for rec-

ommended accessories. Using improper acces-

sories will increase the risk of serious injury.

UNATTENDED OPERATION. To reduce the

risk of accidental injury, turn machine OFF and

ensure all moving parts completely stop before

walking away. Never leave machine running

while unattended.

MAINTAIN WITH CARE. Follow all maintenance

instructions and lubrication schedules to keep

machine in good working condition. A machine

that is improperly maintained could malfunction,

leading to serious personal injury or death.

DAMAGED PARTS. Regularly inspect machine

for damaged, loose, or mis-adjusted parts—or

any condition that could affect safe operation.

Immediately repair/replace BEFORE operating

machine. For your own safety, DO NOT operate

machine with damaged parts!

MAINTAIN POWER CORDS. When disconnect-

ing cord-connected machines from power, grab

and pull the plug—NOT the cord. Pulling the cord

may damage the wires inside. Do not handle

cord/plug with wet hands. Avoid cord damage by

keeping it away from heated surfaces, high traffic

areas, harsh chemicals, and wet/damp locations.

EXPERIENCING DIFFICULTIES. If at any time

you experience difficulties performing the intend-

ed operation, stop using the machine! Contact our

Technical Support at (570) 546-9663.

-8-

Model T27400 (Mfd. Since 02/15)

Additional Safety for Lathe Tool Post

Grinders

Serious injury or death can occur from getting clothing, jewelry, or long hair entangled in

moving parts or pinch points. Flying debris created by broken grinding wheels or grinding

operations can blind or strike nearby operators with deadly force. Rotating grinding wheel will

quickly remove skin upon contact. To reduce the risk of operator (or bystander) injury or death,

anyone operating machine MUST completely heed the warnings below.

AVOID HAND & WHEEL CONTACT. Position

your hands at a safe distance from wheel when

grinding. Avoid wearing gloves as they may get

caught in spinning wheel or pulleys, resulting in

serious entanglement injuries.

USE CORRECT WHEEL FLANGES. Only use

flanges included with grinder when mounting

external wheel. Other flanges may not properly

secure wheel. DO NOT use warped or damaged

flanges, and always use paper discs (blotters)

between wheel and flanges to reduce risk of

flanges cracking external wheel when tightened.

CHECK FOR VIBRATING WHEEL. Never

perform grinding operations on a wheel that is

vibrating. Immediately replace wheel or shaft

bearings.

WEAR EYE, FACE, & LUNG PROTECTION.

Grinding ejects small particles at a high rate of

speed. These particles can cause eye injuries or

blindness, skin injuries, or respiratory damage.

ALWAYS wear approved clothing, safety goggles,

face shield, and a respirator when grinding.

USE INCLUDED PULLEY & WHEEL

HARDWARE. Using pulleys or wheel mounting

hardware other than those supplied with this

grinder could cause pulleys or wheels to come

loose during operation, causing impact injuries.

PROPERLY TIGHTEN SPINDLE NUT.

Only tighten wheel spindle nut enough to drive

wheel and prevent slippage. Overtightening can

crack wheel, which would cause it to fly apart dur-

ing operation.

PROPERLY SECURE GRINDER & ENSURE

SAFE WORK AREA. Unexpected movement of

grinder could cause grinding wheel to break or fly

apart during operation. Before use, verify grinder

is properly secured in place before operation and

nearby area is free of explosive or flammable

materials.

SAFELY START GRINDER. If a wheel is dam-

aged, it will usually fly apart shortly after start-

up. To protect yourself, always stand to side of

grinder when turning it ON and allow it to run for

at least one minute before standing in front of it.

PERFORM VISUAL INSPECTION. Verify that

grinding wheels are free of cracks, chips, or dents

in wheel surface before installing. DO NOT use

wheels that have been dropped or otherwise have

any of these problems—they could break apart

during operation.

PERFORM RING TEST. Perform a “ring test”

on external grinding wheel before installation

to ensure it is safe to use. A wheel that does

NOT pass ring test may break or fly apart during

operation. DO NOT use it!

CHECK WHEEL SPEED RATING. Wheels

operated faster than their rated speed may

break apart during operation. Before

mounting a new wheel, be sure wheel

RPM rating is equal or higher than speed of

grinder. Never use unmarked wheels.

AVOID ENTANGLEMENT. Becoming entangled

in moving parts of grinder can cause pinching

and crushing injuries. To avoid these hazards, DO

NOT wear loose clothing, gloves, or jewelry, and

tie back long hair. Keep all guards in place and

secure.

Model T27400 (Mfd. Since 02/15)

-9-

SECTION 2: POWER SUPPLY

Electrocution, fire, or

equipment damage may

occur if machine is not

correctly grounded and

connected to the power

supply.

Full-Load Current Rating

The full-load current rating is the amperage a

machine draws at 100% of the rated output power.

On machines with multiple motors, this is the

amperage drawn by the largest motor or sum of all

motors and electrical devices that might operate

at one time during normal operations.

Full-Load Current Rating at 220V .... 3.5 Amps

The full-load current is not the maximum amount

of amps that the machine will draw. If the machine

is overloaded, it will draw additional amps beyond

the full-load rating.

If the machine is overloaded for a sufficient length

of time, damage, overheating, or fire may result—

especially if connected to an undersized circuit.

To reduce the risk of these hazards, avoid over-

loading the machine during operation and make

sure it is connected to a power supply circuit that

meets the specified circuit requirements.

For your own safety and protection of

property, consult an electrician if you are

unsure about wiring practices or electrical

codes in your area.

Note: Circuit requirements in this manual apply to

a dedicated circuit—where only one machine will

be running on the circuit at a time. If machine will

be connected to a shared circuit where multiple

machines may be running at the same time, con-

sult an electrician or qualified service personnel to

ensure circuit is properly sized for safe operation.

A power supply circuit includes all electrical

equipment between the breaker box or fuse panel

in the building and the machine. The power sup-

ply circuit used for this machine must be sized to

safely handle the full-load current drawn from the

machine for an extended period of time. (If this

machine is connected to a circuit protected by

fuses, use a time delay fuse marked D.)

Circuit Information

Circuit Requirements

This machine is prewired to operate on a power

supply circuit that has a verified ground and meets

the following requirements:

Nominal Voltage ........................................220V

Cycle ..........................................................60 Hz

Phase ........................................... Single-Phase

Power Supply Circuit ......................... 15 Amps

Plug/Receptacle ......................................... 6-15

Availability

Before installing the machine, consider the avail-

ability and proximity of the required power supply

circuit. If an existing circuit does not meet the

requirements for this machine, a new circuit must

be installed. To minimize the risk of electrocution,

fire, or equipment damage, installation work and

electrical wiring must be done by an electrician or

qualified service personnel in accordance with all

applicable codes and standards.

-10-

Model T27400 (Mfd. Since 02/15)

Improper connection of the equipment-grounding

wire can result in a risk of electric shock. The

wire with green insulation (with or without yellow

stripes) is the equipment-grounding wire. If repair

or replacement of the power cord or plug is nec-

essary, do not connect the equipment-grounding

wire to a live (current carrying) terminal.

Check with a qualified electrician or service per-

sonnel if you do not understand these grounding

requirements, or if you are in doubt about whether

the tool is properly grounded. If you ever notice

that a cord or plug is damaged or worn, discon-

nect it from power, and immediately replace it with

a new one.

Extension Cords

We do not recommend using an extension cord

with this machine.

If you must use an extension

cord, only use it if absolutely necessary and only

on a temporary basis.

Extension cords cause voltage drop, which can

damage electrical components and shorten motor

life. Voltage drop increases as the extension cord

size gets longer and the gauge size gets smaller

(higher gauge numbers indicate smaller sizes).

Any extension cord used with this machine must

be in good condition and contain a ground wire

and matching plug/receptacle. Additionally, it must

meet the following size requirements:

Minimum Gauge Size ...........................16 AWG

Maximum Length (Shorter is Better).......50 ft.

Figure 1. Typical 6-15 plug and receptacle.

Grounding Prong

Current Carrying Prongs

6-15 PLUG

GROUNDED

6-15 RECEPTACLE

Grounding Requirements

This machine MUST be grounded. In the event

of certain malfunctions or breakdowns, grounding

reduces the risk of electric shock by providing a

path of least resistance for electric current.

This machine is equipped with a power cord that

has an equipment-grounding wire and a grounding

plug. Only insert plug into a matching receptacle

(outlet) that is properly installed and grounded in

accordance with all local codes and ordinances.

DO NOT modify the provided plug!

No adapter should be used with plug. If

plug does not fit available receptacle, or if

machine must be reconnected for use on a

different type of circuit, reconnection must

be performed by an electrician or qualified

service personnel, and it must comply with

all local codes and ordinances.

Serious injury could occur if you connect

machine to power before completing setup

process. DO NOT connect to power until

instructed later in this manual.

Model T27400 (Mfd. Since 02/15)

-11-

SECTION 3: SETUP

SUFFOCATION HAZARD!

Keep children and pets away

from plastic bags or packing

materials shipped with this

machine. Discard immediately.

Children and visitors may be

seriously injured if unsuper-

vised around this machine.

Lock entrances to the shop

or disable start switch or

power connection to prevent

unsupervised use.

This machine presents

serious injury hazards

to untrained users. Read

through this entire manu-

al to become familiar with

the controls and opera-

tions before starting the

machine!

Wear safety glasses during

the entire setup process!

Description Qty

• Safety Glasses (for each person) ............... 1

• Solvent/Cleaner .......................................... 1

• Shop Rags .................................................. 1

• Brass Hammer ........................................... 1

• Another Person .......................................... 1

Needed for Setup

Your machine was carefully packaged for safe

transportation. Remove the packaging materials

from around your machine and inspect it. If you

discover any damage, please call us immediately

at (570) 546-9663

for advice.

Save the containers and all packing materials for

possible inspection by the carrier or its agent.

Otherwise, filing a freight claim can be difficult.

When you are completely satisfied with the condi-

tion of your shipment, inventory the contents.

Unpacking

The following items are needed, but not included,

for the setup/assembly of this machine.

This machine and its

components are very

heavy. Get lifting help or

use power lifting equip-

ment such as a forklift to

move heavy items.

-12-

Model T27400 (Mfd. Since 02/15)

Inventory

Small Item Inventory (Figure 2) Qty

A. Open-Ended Wrench 8/10mm .................... 1

B. Open-Ended Wrench 12/14mm .................. 1

C. Open-Ended Wrench 17/19mm .................. 1

D. Open-Ended Wrench 24/27mm .................. 1

E. Internal Spindle .......................................... 1

F. Wheel Dresser Tool w/Dresser Rod ........... 1

G. Hex Wrenches 4, 5, 8mm ..................... 1/Ea.

H. Toolbox ....................................................... 1

I. Flat Belt 22 x 670mm ................................. 1

J. Phillips Screwdriver #2 ............................... 1

The unpainted surfaces of your machine are

coated with a heavy-duty rust preventative that

prevents corrosion during shipment and storage.

This rust preventative works extremely well, but it

will take a little time to clean.

Be patient and do a thorough job cleaning your

machine. The time you spend doing this now will

give you a better appreciation for the proper care

of your machine's unpainted surfaces.

There are many ways to remove this rust preven-

tative, but the following steps work well in a wide

variety of situations. Always follow the manufac-

turer’s instructions with any cleaning product you

use and make sure you work in a well-ventilated

area to minimize exposure to toxic fumes.

Before cleaning, gather the following:

• Disposable rags

• Cleaner/degreaser (WD•40 works well)

• Safety glasses & disposable gloves

• Plastic paint scraper (optional)

Basic steps for removing rust preventative:

Put on safety glasses.

Coat the rust preventative with a liberal

amount of cleaner/degreaser, then let it soak

for 5–10 minutes.

Wipe off the surfaces. If your cleaner/degreas-

er is effective, the rust preventative will wipe

off easily. If you have a plastic paint scraper,

scrape off as much as you can first, then wipe

off the rest with the rag.

Repeat Steps 2–3 as necessary until clean,

then coat all unpainted surfaces with a quality

metal protectant to prevent rust.

Gasoline and petroleum

products have low flash

points and can explode

or cause fire if used to

clean machinery. Avo id

using these products

to clean machinery.

Many cleaning solvents

are toxic if inhaled. Only

work in a well-ventilated

area.

NOTICE

Avoid chlorine-based solvents, such as

acetone or brake parts cleaner, that may

damage painted surfaces.

Cleanup

The following is a list of items shipped with your

machine. Before beginning setup, lay these items

out and inventory them.

If any non-proprietary parts are missing (e.g. a

nut or a washer), we will gladly replace them; or

for the sake of expediency, replacements can be

obtained at your local hardware store.

Avoid chlorine-based solvents, such as

acetone or brake parts cleaner, that may

damage painted surfaces.

Figure 2. Model T27400 inventory.

Model T27400 (Mfd. Since 02/15)

-13-

Lathe Requirements

The maximum tool post diameter the grinder can

accommodate is 1". If the diameter of your tool

post does not allow you to secure the grinder to

the compound slide without side-to-side move-

ment, make a bushing for the tool post that will

keep the grinder secured in place when the tool-

post nut is fully tightened down.

Note: The tool post grinder mounting hole clear-

ance may not allow for the lathe's tool post lever to

rotate fully. A new tool post nut and washer combi-

nation may be required to secure the grinder.

Tool Post Size

Guard

External

Wheel

Lathe

Spindle

Centerline

Tool Post

Workpiece

Height

Tension

Bolt

Approx. 7"

Lathe Compound Slide

Figure 3. External wheel alignment.

External Wheel Clearance

The distance between the tool post centerline and

the outside grinding surface of a new 6" external

wheel is approximately 7" when the grinder is

installed, as illustrated in Figure 3. Ensure that

your compound slide can safely accommodate

this distance from the workpiece prior to powering

machine. Smaller lathes may require additional

compound slide adjustment, or require small

diameter workpieces.

Centerline Alignment

When using an external grinding wheel, the cen-

terline of the grinder spindle should be approxi-

mately the same height as the lathe centerline for

proper contact with the spinning workpiece.

The grinder spindle centerline is adjustable from

⁄8"–2

⁄8" above the top of the lathe's compound

slide. Measure the height to the lathe centerline

from the top of the compound slide (distance A

illustrated in Figure 3) to ensure it is within this

range. Most lathe centerlines will be within the

adjustable range. If not, re-adjust the compound

slide and place the external wheel as close to

workpiece centerline as possible.

Once the grinder centerline is adjusted, tighten

the height tension bolt and nut to secure the dove-

tail in place.

IMPORTANT: You must adjust and retighten the

belt any time the centerline adjustment is changed

(see Tensioning/Changing Belts on Page 20).

The Model T27400 is designed to fit on metal

lathes with a 12"–22" swing and a 1" diameter

tool post.

IMPORTANT: Although the Model T27400 will fit

on lathes meeting the size requirements specified

above, this does not imply or guarantee that it will

allow enough clearance to work with the full swing

of the installed lathe. Once installed, the maximum

possible workpiece swing allowed is determined

by the distance from the tool post centerline (with

cross slide positioned fully backward) to the lathe

spindle centerline, minus the required installation

space for the tool post grinder (approximately 7").

-14-

Model T27400 (Mfd. Since 02/15)

Mounting on Tool

Post

The T27400 mounts directly to the tool post on

the compound slide of the lathe. On small lathes,

ensure proper workpiece clearance by mounting

the grinder before attaching a workpiece to the

lathe chuck.

To mount grinder on the lathe tool post:

1. DISCONNECT LATHE FROM POWER!

2. Remove tool post nut (or lever) from lathe,

and remove tool holder or any other tool

hardware from tool post stud.

3. Rotate compound slide parallel to lathe

bedway, then tighten rotation locks on slide.

4. Place grinder over tool post on compound

slide, and position it so grinding wheel faces

lathe centerline, as shown in Figure 4.

Figure 4. Grinder correctly mounted to lathe

compound slide.

Unexpected movement of grinder on tool

post could cause grinding wheel to break

apart and strike operator or bystanders

with great force. Always make sure grinder

is firmly secured to tool post so there is no

side-to-side or up-and-down movement.

5. Use tool post nut to firmly secure grinder in

place, as shown in Figure 5.

Note: Tool post mounting hole of grinder

will accept tool post up to 1" in diameter.

However, if diameter or height of your tool

post allows for side-to-side or up-and-down

movement of grinder when nut is fully tight-

ened, you will need to fabricate a custom

washer for tool post.

Figure 5. Tool post lock nut and example of a

custom washer.

Tool Post

Nut

Ensure power cord is positioned away

from moving parts and does not pose an

entanglement hazard.

Model T27400 (Mfd. Since 02/15)

-15-

Adjusting Grinder

Centerline Height

The centerline of the external grinding wheel must

closely align with the centerline of the workpiece

to avoid damage to the wheel guard or the

workpiece (see Figure 3 on Page 13). The tool

post grinder centerline height can be adjusted

from 1

⁄8" to 2

⁄8" above the top of the lathe's com-

pound slide. Once the grinder centerline height is

properly adjusted, the height tension bolt and nut

must be tightened to secure the centerline height

in place.

Tools Needed Qty

Wrench 18mm ................................................... 1

Hex Wrench 8mm .............................................. 1

To adjust tool post grinder centerline height:

1. DISCONNECT LATHE AND GRINDER

FROM POWER!

2. Loosen hex bolt on left side of spindle hous-

ing (see Figure 6).

3. Rotate elevation bolt (see Figure 6) as nec-

essary to align grinder spindle centerline with

lathe spindle centerline. Rotate bolt counter-

clockwise to raise grinder spindle or clock-

wise to lower it.

Note: Numerical increments on elevation

wheel are for your reference only and do not

indicate actual height of spindle.

4. When you are satisfied with adjustment, re-

tighten hex bolt to secure setting.

Figure 6. Adjusting spindle centerline height.

Hex Bolt

Elevation

Bolt

Test Run

Once assembly is complete, test run the machine

to ensure it is properly connected to power and

safety components are functioning properly.

If you find an unusual problem during the test run,

immediately stop the machine, disconnect it from

power, and fix the problem BEFORE operating the

machine again. The

Troubleshooting

table in the

SERVICE section of this manual can help.

DO NOT start machine until all preceding

setup instructions have been performed.

Operating an improperly set up machine

may result in malfunction or unexpect-

ed results that can lead to serious injury,

death, or machine/property damage.

Serious injury or death can result from

using this machine BEFORE understanding

its controls and related safety information.

DO NOT operate, or allow others to operate,

machine until the information is understood.

To test run machine:

1. Clear all setup tools away from machine.

2. Connect machine to power supply.

3. Turn machine ON, verify motor operation,

and then turn machine OFF.

The motor should run smoothly and without

unusual problems or noises.

-16-

Model T27400 (Mfd. Since 02/15)

SECTION 4: OPERATIONS

operations

Operation Overview

The purpose of this overview is to provide the nov-

ice machine operator with a basic understanding

of how the machine is used during operation, so

the

machine controls/components

discussed later

in this manual

are easier to understand.

Due to the generic nature of this overview, it is

not

intended to be an instructional guide. To learn

more about specific operations,

read this entire

manual and

seek additional training from expe-

rienced

machine operators, and do additional

research outside of this manual by reading "how-

to" books, trade magazines, or websites.

To reduce risk of eye or face injury from

flying chips, always wear approved safety

glasses, face shield and respirator when

operating this machine.

To complete a typical operation, the operator

does the following:

To reduce your risk of

serious injury, read this

entire manual BEFORE

using machine.

Keep hair, clothing, and

jewelry away from mov-

ing parts at all times.

Entanglement can result

in death, amputation, or

severe crushing injuries!

1. Examines workpiece to make sure it is suit-

able for grinding.

2. Correctly installs desired grinding wheel for

operation.

3. Properly secures workpiece in lathe.

4. Makes sure tool post grinder is setup cor-

rectly.

5. Turns lathe ON.

6. If necessary, begins coolant flow to workpiece.

7. Turns tool post grinder ON.

8. Using lathe slide controls, slowly feeds grind-

ing wheel into and along surface of workpiece.

9. When operation is complete, turns lathe and

grinder OFF.

If you are not experienced with this type

of machine, WE STRONGLY RECOMMEND

that you seek additional training outside of

this manual. Read books/magazines or get

formal training before beginning any proj-

ects. Regardless of the content in this sec-

tion, Grizzly Industrial will not be held liable

for accidents caused by lack of training.

Model T27400 (Mfd. Since 02/15)

-17-

Lathe Rotation

To produce the best results, use a test piece

similar to workpiece to verify proper lathe spindle

speed settings. Proper lathe and grinder rotation

orientation will ensure a cleaner finished product.

Both the lathe and the external grinding wheel

should rotate clockwise, as illustrated in Figure 7.

When using the internal wheel, set lathe rotation

to counterclockwise.

External

Wheel

Workpiece

Internal

Wheel

Workpiece

Figure 7. Correct lathe rotations.

When grinding, the safety of operator and bystand-

ers depends primarily on the condition of the

wheel. A wheel in poor condition could break

apart during rotation and injure the operator or

nearby bystanders.

Here are some tips to help you avoid breaking

the wheel:

• Always transport, store and handle wheels

with care. Wheels may be damaged if they

are dropped or if heavy objects are stacked

on them.

• Select the right grinding wheel for the job.

Attempting to use an external wheel for an

internal grinding operation, or vice versa, will

not work and will increase the risk of personal

injury and property damage.

• Only use wheels that are rated for the RPM

of the tool grinder.

• Mount the wheel properly (see Installing/

Removing Grinding Wheel on Page 24).

• Do not abuse the wheel by jamming it into

the workpiece with excessive force, or by

allowing the workpiece to become overly hot

during operation.

• Do not store wheels in damp or wet locations.

• Do not overtighten the nut when mounting the

wheel.

• Do not leave the wheel mounted when

machine is not in use.

Wheel Care

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Grizzly T27400 Owner's manual

Grizzly T27400 Owner's manual

Grizzly T27400 Owner's manual

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