pro.point Air Belt Sander User manual

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

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

#509703624 PRINTED IN TAIWAN

18" WIDE BELT SANDER

MODEL G0527

INSTRUCTION MANUAL

WARNING

Some dust created by power sanding, sawing, grind-

ing, 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 equipment, such

as those dust masks that are specially designed to fil-

ter out microscopic particles.

Table Of Contents

SECTION 1: SAFETY........................................................................................................................2

Safety Instructions For Power Tools ..........................................................................................2

Additional Safety For Wide Belt Sanders....................................................................................4

SECTION 2: INTRODUCTION ..........................................................................................................5

Commentary................................................................................................................................5

SECTION 3: CIRCUIT REQUIREMENTS ........................................................................................6

Amperage Draw ..........................................................................................................................6

Circuit Breaker ............................................................................................................................6

Connection Type ........................................................................................................................6

Circuit Capacity ..........................................................................................................................6

Minimum Cord Size ....................................................................................................................7

Grounding ..................................................................................................................................7

Extension Cords..........................................................................................................................7

SECTION 4: MACHINE FEATURES ................................................................................................8

External Features........................................................................................................................8

Control Panel ..............................................................................................................................9

Access Doors ............................................................................................................................10

SECTION 5: SET UP ......................................................................................................................12

G0527 Inventory........................................................................................................................12

Hardware Recognition Chart ....................................................................................................13

Clean Up ..................................................................................................................................14

Site Considerations ..................................................................................................................14

Beginning Assembly..................................................................................................................15

Floor Mounting ..........................................................................................................................15

Air Line Hook-Up ......................................................................................................................16

Dust Collection ..........................................................................................................................16

Sanding Belt..............................................................................................................................17

Pressure Rollers........................................................................................................................18

Recommended Adjustments ....................................................................................................19

SECTION 6: OPERATIONS ............................................................................................................20

Before Sanding ........................................................................................................................20

Choosing Sandpaper ................................................................................................................20

Table Movement ......................................................................................................................21

Adjusting Feed Rate ................................................................................................................21

Amperage Meter ......................................................................................................................22

Sanding Workpiece ..................................................................................................................22

SECTION 7: MAINTENANCE ........................................................................................................23

General ....................................................................................................................................23

Schedule ..................................................................................................................................23

Servicing Brakes ......................................................................................................................24

Air Circuit Filters........................................................................................................................25

Clean Sanding Belts ................................................................................................................25

Maintenance Log ......................................................................................................................26

SECTION 8: SERVICE ADJUSTMENTS ........................................................................................27

Calibration ................................................................................................................................27

Feed Belt Tension ....................................................................................................................28

Feed Belt Tracking....................................................................................................................28

Belt Oscillation ..........................................................................................................................29

Table Parallelism ......................................................................................................................30

Pressure Rollers........................................................................................................................31

V-Belt Adjustment ....................................................................................................................32

Air System ................................................................................................................................32

Air Line Circuit ..........................................................................................................................33

Service Log ..............................................................................................................................34

SECTION 9: REFERENCE INFO ....................................................................................................35

General ....................................................................................................................................35

Aftermarket Accessories ..........................................................................................................35

G0527 Machine Data Sheet......................................................................................................36

Parts Diagrams & Lists ............................................................................................................37

Machine Troubleshooting..........................................................................................................53

Sanding Troubleshooting ..........................................................................................................54

Wiring Diagrams........................................................................................................................55

Notes ........................................................................................................................................57

Warranty & Returns ..................................................................................................................58

-2-

G0527 18" Wide Belt Sander

Safety Instructions For Power Tools

SECTION 1: SAFETY

5. KEEP CHILDREN AND VISITORS

AWAY. All children and visitors should be

kept at a safe distance from work area.

6. MAKE WORKSHOP CHILD PROOF with

padlocks, master switches, or by removing

starter keys.

7. NEVER FORCE TOOL. It will do the job

better and safer at the rate for which it was

designed.

8. USE RIGHT TOOL. DO NOT force tool or

attachment to do a job for which it was not

designed.

1. KEEP GUARDS IN PLACE and in working

order.

2. REMOVE ADJUSTING KEYS AND

WRENCHES. Form a habit of checking to

see that keys and adjusting wrenches are

removed from tool before turning on.

3. KEEP WORK AREA CLEAN. Cluttered

areas and benches invite accidents.

4. NEVER USE IN DANGEROUS ENVIRON-

MENT. DO NOT use power tools in damp

or wet locations, or where any flammable

or noxious fumes may exist. Keep work

area well lighted.

For Your Own Safety Read Instruction

Manual Before Operating This Equipment

Indicates an imminently hazardous situation which, if not avoided,

WILL result in death or serious injury.

Indicates a potentially hazardous situation which, if not avoided,

COULD result in death or serious injury.

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.

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

proper operation of the equipment.

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

This manual uses a series of symbols and signal words which are intended to convey the level

of importance 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 substi-

tute for proper accident prevention measures.

NOTICE

G0527 18" Wide Belt Sander -3-

9. USE PROPER EXTENSION CORD. Make

sure your extension cord is in good condi-

tion. Conductor size should be in accor-

dance with the chart below. The amperage

rating should be listed on the motor or tool

nameplate. An undersized cord will cause

a drop in line voltage resulting in loss of

power and overheating. Your extension

cord must also contain a ground wire and

plug pin. Always repair or replace exten-

sion cords if they become damaged.

Minimum Gauge for Extension Cords

10. WEAR PROPER APPAREL. DO NOT

wear loose clothing, gloves, neckties,

rings, bracelets, or other jewelry which may

get caught in moving parts. Non-slip

footwear is recommended. Wear protective

hair covering to contain long hair.

11. ALWAYS USE SAFETY GLASSES. Also

use face or dust mask if cutting operation is

dusty. Everyday eyeglasses only have impact

resistant lenses, they are NOT safety glasses.

12. SECURE WORK. Use clamps or a vise to hold

work when practical. It’s safer than using your

hand and frees both hands to operate tool.

13. DO NOT OVER-REACH. Keep proper

footing and balance at all times.

14. MAINTAIN TOOLS WITH CARE. Keep

tools sharp and clean for best and safest

performance. Follow instructions for lubri-

cating and changing accessories.

LENGTH

AMP RATING 25ft 50ft 100ft

0-6 16 16 16

7-10 16 16 14

11-12 16 16 14

13-16 14 12 12

17-20 12 12 10

21-30 10 10 No

Safety Instructions For Power Tools

15. USE RECOMMENDED ACCESSORIES.

Consult the owner’s manual for recom-

mended accessories. The use of improper

accessories may cause risk of injury.

16. REDUCE THE RISK OF UNINTENTION-

AL STARTING. On machines with magnet-

ic contact starting switches there is a risk of

starting if the machine is bumped or jarred.

Always disconnect from power source

before adjusting or servicing. Make sure

switch is in OFF position before reconnecting.

17. CHECK DAMAGED PARTS. Before fur-

ther use of the tool, a guard or other part

that is damaged should be carefully

checked to determine that it will operate

properly and perform its intended function.

Check for alignment of moving parts, bind-

ing of moving parts, breakage of parts,

mounting, and any other conditions that

may affect its operation. A guard or other

part that is damaged should be properly

repaired or replaced.

18. NEVER LEAVE TOOL RUNNING UNAT-

TENDED. TURN POWER OFF. DO NOT

leave tool until it comes to a complete stop.

19. NEVER OPERATE A MACHINE WHEN

TIRED, OR UNDER THE INFLUENCE OF

DRUGS OR ALCOHOL. Full mental alert-

ness is required at all times when running a

machine.

20. NEVER ALLOW UNSUPERVISED OR

UNTRAINED PERSONNEL TO OPER-

ATE THE MACHINE. Make sure any

instructions you give in regards to machine

operation are approved, correct, safe, and

clearly understood.

21. IF AT ANY TIME YOU ARE EXPERIENC-

ING DIFFICULTIES performing the intend-

ed operation, stop using the machine! Then

contact our service department or ask a

qualified expert how the operation should

be performed.

-4-

G0527 18" Wide Belt Sander

Additional Safety For Wide Belt Sanders

1. INFEED/OUTFEED AREA: DO NOT

stand in-line with the infeed or outfeed

areas when feeding the workpiece.

2. WORKPIECE FEEDING: DO NOT jam

the workpiece into the machine and never

feed more than one workpiece at a time.

3. CLOTHING: DO NOT wear loose clothing

while operating this machine. Roll up or

button sleeves at the cuff.

4. NARROW WORKPIECES: DO NOT sand

workpieces narrower than

1

⁄8''.

5. THIN WORKPIECES: DO NOT sand

workpieces thinner than

1

⁄8''.

6. SHORT WORKPIECES: DO NOT sand

workpieces shorter than 9''.

7. HANDS: DO NOT place hands near, or in

contact with, sanding drums or conveyor

belt during operation.

8. MAINTENANCE: Perform machine

inspections and maintenance service at

the appropriate time intervals. See Section

7: Maintenance.

9. POWER DISCONNECT: Unless specifi-

cally stated in the manual, always discon-

nect the power source from the machine

when performing maintenance, adjust-

ments, or assembly. Always read and fol-

low specific safety instructions for each

section.

10. UNATTENDED MACHINE: Never leave

the machine running unattended.

11. SANDPAPER: Replace sanding belt

when it becomes worn.

12. FOREIGN MATERIAL: Always inspect

workpiece for nails, staples, knots, and

other imperfections that could be dis-

lodged and thrown from the machine dur-

ing sanding operations.

13. DUST COLLECTION: Never operate the

sander without an adequate dust collec-

tion system in place and running.

14. ALLERGIES: Certain woods may cause

an allergic reaction in people and animals,

especially when exposed to fine dust.

Make sure you know what type of wood

dust you will be exposed to and always

wear an approved respirator.

15. ACCESS DOORS: Never perform sanding

operations when the side access doors are

open.

16. UNDERSTAND INSTRUCTIONS: Never

allow unsupervised or untrained personnel

to operate the machine. Make sure any

instructions you give in regards to machine

operation are approved, correct, safe, and

clearly understood.

Unfamiliarity with this manual could result

in serious personal injury. Spend a suffi-

cient amount of time becoming familiar the

contents of this manual, including all the

safety warnings.

No list of safety guidelines can be com-

plete. Operating this machinery may

require additional safety precautions spe-

cific to your shop environment. Failure to

use reasonable caution while operating

this machine could result in serious per-

sonal injury.

G0527 18" Wide Belt Sander -5-

We are proud to offer the Model G0527 18" Wide

Belt Sander. This machine is part of a growing

Grizzly family of fine woodworking machinery.

When used according to the guidelines set forth

in this manual, you can expect years of trouble-

free, enjoyable operation and proof of Grizzly’s

commitment to customer satisfaction.

We are pleased to provide this manual with the

Model G0527. It was written to guide you through

assembly, review safety considerations, and

cover general operating procedures. It represents

our effort to produce the best documentation pos-

sible. If you have any comments regarding this

manual, please write to us at the address below:

Grizzly Industrial, Inc.

C

/O Technical Documentation

P.O. Box 2069

Bellingham, WA 98227-2069

Most importantly, we stand behind our machines.

If you have any service questions or parts

requests, please call or write us at the location

listed below.

Grizzly Industrial, Inc.

1203 Lycoming Mall Circle

Muncy, PA 17756

Phone: (570) 546-9663

Fax: (800) 438-5901

E-Mail: [email protected]

Web Site: http://www.grizzly.com

The specifications, drawings, and photographs

illustrated in this manual represent the Model

G0527 as supplied when the manual was pre-

pared. However, owing to Grizzly’s policy of con-

tinuous improvement, changes may be made at

any time with no obligation on the part of Grizzly.

For your convenience, we always keep current

Grizzly manuals available on our website at

www.grizzly.com

. Any updates to your machine

will be reflected in these manuals as soon as they

are complete. Visit our site often to check for the

latest updates to this manual!

Lack of familiarity with

this manual could

cause serious person-

al injury. Become

familiar with the con-

tents of this manual,

including all the safety

warnings.

Commentary

SECTION 2: INTRODUCTION

-6-

G0527 18" Wide Belt Sander

The Model G0527 has three motors that are

wired to operate on a 220V single-phase power

source. They will draw the following loads:

Sanding Drum Motor ............................30 Amps

Conveyor Feed Motor ..........................3.8 Amps

Elevation Motor ......................................3 Amps

Use the following guidelines when choosing a cir-

cuit breaker (circuit breakers rated any higher are

not adequate to protect the circuit):

Circuit Breaker ............................40 Amp, 2 Pole

Always check to see if the wires in your circuit are

capable of handling the amperage load from your

machine. If you are unsure, consult a qualified

electrician.

If you operate this machine on any circuit that is

already close to its capacity, it might blow a fuse

or trip a circuit breaker. However, if an unusual

load does not exist and a power failure still

occurs, contact a qualified electrician or our

Service Department at (570) 546-9663.

Circuit Capacity

Figure 1. Locking shut-off lever.

Connection Type

Circuit Breaker

Amperage Draw

Because of the high amperage draw from this

machine, we recommend that you hardwire it

directly to your circuit breaker and install a lock-

ing shut-off lever (Figure 1) near the machine as

a way to quickly disconnect the power.

SECTION 3: CIRCUIT REQUIREMENTS

G0527 18" Wide Belt Sander -7-

Electrocution or a fire

can result if the machine

is not grounded correct-

ly. Make sure all electri-

cal circuits are ground-

ed. DO NOT use the

machine if it is not

grounded.

In the event of an electrical short, grounding pro-

vides electric current a path of least resistance to

reduce the risk of electrical shock to the operator.

Ground the power cord and this machine in

accordance with all local codes and ordinances.

Operating this machine when it is not properly

grounded can result in electric shock or electro-

cution.

We have covered some basic electrical

requirements for the safe operation of your

machine. These requirements are not nec-

essarily comprehensive. You must be sure

that your particular electrical configuration

complies with local and state codes.

Ensure compliance by checking with your

local municipality or a licensed electrician.

Because of the high amperage draw from this

machine, we do not recommend the use of exten-

sion cords. Instead, position your equipment near

installed wiring to eliminate the need for exten-

sion cords.

Extension Cords

Grounding

Minimum Cord Size

For 220V single-phase operation, use the follow-

ing power cord:

Cord ..............................................2 Pole, 3 Wire

Gauge ................................................................6

-8-

G0527 18" Wide Belt Sander

External Features

B

A

D

C

E

G

F

Figure 2. Front view.

A. Control Panel

B. Table Height Handwheel

C. Air Regulator/Water Collector

D. Emergency Stop Bar

E. Dust Port

F. Amp (Load) Meter

G. Digital Readout

SECTION 4: MACHINE FEATURES

G0527 18" Wide Belt Sander -9-

123

4 5 6

7 8 9

0

H. TABLE UP Key

I. SANDING BELT START Button

J. FEED BELT START Button

K. Power Light

L. EMERGENCY STOP Button

M. FEED BELT STOP Button

N. SANDING BELT STOP Button

O. TABLE DOWN Key

P. FEED BELT STOP Key

Q. FEED BELT START Key

R. SET (Enter) Key

J

Q

K

R

M

L

N

O

I

P

H

Figure 3. Control panel.

Control Panel

-10-

G0527 18" Wide Belt Sander

A. Belt Tension Switch

B. Lock Handle Bolt

Figure 4. Inside the left access door.

A

B

Access Doors

G0527 18" Wide Belt Sander -11-

C. Upper Roller

D. Air Flow Adjustment Knob (Solenoid Expansion)

E. Air Flow Adjustment Knob (Solenoid Contraction)

F. Oscillation Solenoid

G. Pressure Roller Adjustments

H. Oscillation Electronic Eye

Figure 5. Inside the right access door.

C

D

E

F

G

H

-12-

G0527 18" Wide Belt Sander

G0527 Inventory

The following parts shown in Figure 6 should

be enclosed:

• Sanding Unit (Not Pictured)

• 4" Dust Hood

• #100 Grit Sanding Belt

• #150 Grit Sanding Belt

• Tool Box

—Phillips Head Screwdriver

—Large Flat Screwdriver

—Small Flat Screwdriver

—8/10mm Open End Wrench

—12/14mm Open End Wrench

—17/19mm Open End Wrench

—Metric Allen Wrench Set

—(2) Door Wrenches

SECTION 5: SET UP

Figure 6. G0527 inventory.

The Model G0527 was carefully packed when it

left our warehouse. If you discover the machine

is damaged after you have signed for delivery,

immediately call our Service Department at (570)

546-9663.

The Model G0527 is a

heavy machine weigh-

ing in at 1870 lbs.

Personal injury can

occur if the machine is

moved without addition-

al assistance. Use lifting

devices such as a fork

lift when moving or lift-

ing the machine.

NOTICE

A parts diagram and parts list are located

near the end of the manual. Use the diagram

and list to identify missing parts or to sup-

plement the assembly instructions provided

in this manual.

G0527 18" Wide Belt Sander -13-

5mm

10mm

15mm

20mm

25mm

30mm

35mm

40mm

45mm

50mm

55mm

60mm

65mm

70mm

75mm

Washer

Lock

Washer

Hex

Nut

Wing

Nut

Phillips

Head

Sheet

Metal

Screw

Setscrew

Phillips

Head

Screw

Thumb

Screw

Slotted

Screw

Flat Head

Phillips

Screw

Cap

Screw

Carriage

Bolt

Hex

Head

Bolt

Button

Head

Screw

Flange

Bolt

Phillips

Head

Hex

Bolt

Lock

Nut

5

⁄16''

1

⁄4''

3

⁄8''

1

⁄2''

5

⁄8''

7

⁄16''

9

⁄16''

3

⁄4''

7

⁄8''

1''

1

⁄4''

1

⁄2''

1

3

⁄4''

2

1

⁄4''

2

1

⁄2''

2

3

⁄4''

3

LINES ARE 1MM APART

LINES ARE

1

⁄16'' INCH APART

5

⁄8''

W

A

S

H

E

R

D

I

A

M

E

T

E

R

9

⁄16''

W

A

S

H

E

R

D

I

A

M

E

T

E

R

1

⁄2''

W

A

S

H

E

R

D

I

A

M

E

T

E

R

12mm

W

A

S

H

E

R

D

I

A

M

E

T

E

R

10mm

W

A

S

H

E

R

D

I

A

M

E

T

E

R

7

⁄16''

W

A

S

H

E

R

D

I

A

M

E

T

E

R

8mm

W

A

S

H

E

R

D

I

A

M

E

T

E

R

3

⁄8''

W

A

S

H

E

R

D

I

A

M

E

T

E

R

5

⁄16''

W

A

S

H

E

R

D

I

A

M

E

T

E

R

1

⁄4''

W

A

S

H

E

R

D

I

A

M

E

T

E

R

#

10

W

A

S

H

E

R

D

I

A

M

E

T

E

R

4mm

W

A

S

H

E

R

D

I

A

M

E

T

E

R

6mm

W

A

S

H

E

R

D

I

A

M

E

T

E

R

WASHERS ARE MEASURED BY THE INSIDE DIAMETER

MEASURE BOLT DIAMETER BY PLACING INSIDE CIRCLE

#

10

1

⁄4''

5

⁄16''

3

⁄8''

7

⁄16''

1

⁄2''

5

⁄8''

4mm

6mm

8mm

10mm

12mm

16mm

USE THIS CHART TO MATCH UP

HARDWARE DURING THE ASSEMBLY

PROCESS!

Hardware Recognition Chart

-14-

G0527 18" Wide Belt Sander

Site ConsiderationsClean Up

The unpainted surfaces are coated with a waxy

oil to protect them from corrosion during ship-

ment. Remove this protective coating with a sol-

vent cleaner or citrus-based degreaser such as

Grizzly’s G7895 Degreaser. To clean thoroughly,

some parts may need to be removed. For opti-

mum performance from your machine, make

sure you clean all moving parts or sliding

contact surfaces that are coated. Avoid chlo-

rine-based solvents as they may damage painted

surfaces should they come in contact.

Gasoline and petroleum

products have low flash

points and could explode

if used to clean machin-

ery. DO NOT use gaso-

line or petroleum prod-

ucts to clean the machin-

ery.

Smoking near solvents

could ignite an explosion

or fire and cause serious

injury. DO NOT smoke

while using solvents.

Lack of ventilation while

using solvents could

cause serious personal

health risks, fire, or

environmental hazards.

Always work in a well

ventilated area to pre-

vent the accumulation

of dangerous fumes.

Supply the work area

with a constant source

of fresh air.

Unsupervised children

and visitors inside your

shop could receive seri-

ous personal injury.

Ensure child and visitor

safety by keeping all

entrances to the shop

locked at all times. DO

NOT allow unsupervised

children or visitors in the

shop at any time.

Weight Load

The Model G0527 weighs 890 lbs and has a 29"

x 16

3

⁄4" footprint. Most shop floors should be suf-

ficient to carry the weight of the machine.

Reinforce the floor if you question its ability to

support the weight.

Working Clearance

Working clearances can be thought of as the dis-

tances between machines and obstacles that

allow safe operation of every machine without

limitation. Consider existing and anticipated

machine needs, size of material to be processed

through each machine, and space for auxiliary

stands or work tables. Also, consider the relative

position of each machine to one another for effi-

cient material handling.

Work Area Lightening

Lighting should be bright enough to eliminate

shadow and prevent eye strain.

G0527 18" Wide Belt Sander -15-

Floor Mounting

To mount the sander to the floor:

The sander needs to be mounted in a level loca-

tion where it can be easily serviced from all sides.

Also, consider the largest workpiece you might

need to sand before deciding on a final position.

Mount the sander to wooden floors with

1

⁄2" lag

bolts and washers. Mount the sander to concrete

floors with

1

⁄2" anchor-style bolts designed for

concrete applications. Note—Be sure to carefully

follow the anchor bolt manufacturer’s instructions.

Beginning Assembly

Loose hair and clothing

could get caught in

machinery and cause

serious personal injury.

Keep loose clothing

rolled up and long hair

tied up and away from

machinery.

Sharp edges on metal

parts may cause person-

al injury. Examine the

edges of all metal parts

before handling.

This section will cover the basic assembly and

adjustment instructions needed to begin opera-

tion. Complete the assembly in the order provid-

ed in this manual and then read the remaining

portion of the manual before attempting any type

of operation.

Your safety is important! Please follow the

warnings below during this entire section:

OFF

ON

Disconnect power to

the machine during the

entire assembly

process. Failure to do

this may result in seri-

ous personal injury.

-16-

G0527 18" Wide Belt Sander

To hook up the air line:

1. Connect the hose from your air compressor

to the air inlet (Figure 7) on the regulator.

2. Make sure the red handle on the regulator is

in the open position (parallel with the air

inlet).

3. Lift the black regulator knob (Figure 7) and

adjust it until the air pressure gauge reads 75

PSI. Note—Turn the dial clockwise to

increase the air pressure and counterclock-

wise to lower the air pressure.

4. Push the regulator knob down until it snaps.

Figure 7. Air inlet located on regulator.

Dust CollectionAir Line Hook-Up

Figure 8. Dust collection hook-up.

An efficient and clean dust collection system is

essential to the proper function of the sander.

Ensuring a healthy work environment is also

dependent upon cleaning and maintaining your

dust collection system.

To hook up the dust collection system:

1. Install the 4" dust port (Figure 8) on the

mounting locations at the top of the sanding

unit with the supplied M6-1.0 x 10 phillips

head screws.

2. Clamp a hose from your dust collection sys-

tem to the dust port.

Air Inlet

Red Handle

(Closed Position)

Black

Regulator

Knob

G0527 18" Wide Belt Sander -17-

To install the sanding belt:

1. Disconnect the sander from the power

source!

2. De-activate the belt tension by using the belt

tension switch (Figure 9).

Sanding Belt

Figure 9.

Roller tension switch

.

Figure 10. Components used when changing a

sanding belt.

3. Remove the lock handle bolt (Figure 10) by

turning it counter-clockwise

1

⁄2 a turn and

pulling it up and out of the mounting hole.

Lock Handle Bolt

Spacer Block

4. Remove the spacer block (Figure 10).

5. Install the sanding belt by starting first on the

upper roller and then the lower roller. Note—

The sanding belt must be centered between

the limit switches. If either edge of the sand-

ing belt is touching either limit switch, turn the

belt tension switch off and adjust the belt

until it is properly centered as shown in

Figure 11.

Figure 11. Proper position of belt between the

limit switches.

6. Replace the spacer block and tighten down

the lock handle bolt.

7. With your hands clear of all moving parts,

tension the belt.

Sanding Belt

Limit Switches

Sander Outline

(Top View)

NOTICE

The directional arrow on the back of the

sanding belt must be pointing in a counter-

clockwise direction when installing it.

Failure to install the sanding belt correctly

could result in damage to the sanding belt

or the sander itself.

-18-

G0527 18" Wide Belt Sander

Pressure Rollers

It is absolutely essential to keep the pres-

sure rollers set below the level of the sand-

ing roller. If the pressure rollers are even, or

higher than the sanding roller, the wood

could be propelled from the sander at a

high rate of speed. This situation could

cause serious personal injury.

To check the pressure roller height:

1. Disconnect the sander from the power

source!

2. Place a piece of scrap wood of uniform thick-

ness across the table so it spans both the

front and rear pressure rollers at the same

time.

3. With the air pressure connected and the

sanding belt installed and tensioned, manu-

ally raise the table and verify that the board

touches both pressure rollers before it touch-

es the sanding belt. Note—If the board does

not touch both pressure rollers before it

touches the sanding belt, then the pressure

rollers must be adjusted before operation.

See "Pressure Rollers" on page 31 for step-

by-step instructions on how to do this.

The pressure rollers have been set at the factory,

but for safety, you should verify that they are set

below the level of the sanding roller.

Before starting the machine:

1. Read this manual and make sure you take all

safety precautions before operating this

machine.

2. Make sure the machine is connected to an

air compressor and the pressure gauge

reads 75 PSI.

3. Make sure all tools or foreign objects have

been removed from the machine.

4. Review Section 3: Circuit Requirements on

page 6 and make sure all the wiring is cor-

rect.

Loose hair and clothing

could get caught in

machinery causing seri-

ous personal injury.

Keep loose clothing

rolled up and long hair

tied up and away from

machinery.

Projectiles thrown from

the machine could cause

serious eye injury. Wear

safety glasses during

start up.

Serious personal injury could result if the

machine is connected to the power source

during assembly or adjustment. Wait until

the machine is turned off, unplugged and all

working parts have come to a complete stop

before you attempt to assemble or adjust the

machine!

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