Kval Endeavor System User manual

Innovation, Quality & Honesty

Service Manual

: March 8 2017

Endeavor System

ON-3 Feeder, DL-NCD with Inverter Option, Endeavor, and ON-3 Stacker

Service Manual Endeavor System

KVAL Endeavor System Service Manual

Proprietary Notice

This Manual is confidential and contains proprietary information and intellectual

property of KVAL Inc., and is to be used solely by Customer as an operating manual

for KVAL Inc. machines. Neither this Manual nor any of the information contained

herein may be reproduced or disclosed under any circumstances without the express

written permission of KVAL Inc. For authorization to copy this information, please

call Kval Customer Support at (800) 553-5825 or fax (707) 762-0485. Outside the

U.S. and Canada, call (707) 762-7367.

Manual Part Number: DOC-191_5-SRV

Endeavor, ON-3, DL-NCD are trademarks of Kval Incorporated.

Beckhoff® , TwinCAT 2, and EtherCat® are registered trademarks and are licensed by

Beckhoff Automation GmbH

Windows 7® is a registered trademark of Microsoft Corporation.

All other products are trademarks or registered trademarks of their respective holders,

or sponsorship of Kval Incorporated.

Contacting KVAL

Customer Service: For further information about this manual or other Kval Incorpo-

rated products, contact the Customer Support Department

• Mailing address:

Customer Support Department

Kval Incorporated

825 Petaluma Boulevard South

Petaluma, CA 94952

• Phone and Fax:

In the U.S and Canada, call (800) 553-5825 or fax (707) 762-0485

Outside the U.S. and Canada, call (707) 762-7367 or fax (707) 762-0485

• Business hours:

Technical Support:

6:00 AM to 4:00 PM Pacific Standard Time, Monday through Thursday

6:30 AM to 1:30 PM Pacific Standard Time, Friday

Parts & Service Sales:

6:30 AM to 4:00 PM Pacific Standard Time, Monday through Thursday

6:30 AM to 1:30 PM Pacific Standard Time, Friday

(Other sales related inquiries: http://www.kvalinc.com)

• Email: [email protected]

KVAL Endeavor System Service Manual

Your Feedback is Welcome: To help us design products that make your job easier

and your business more successful, we'd like to gain your perspective about your user

experience with our product - that is, the manual, the machinery, the software, etc.

What was easy or difficult to use or to learn? If you could change something about the

design, what would it be? Please email your comments and suggestions for improve-

ment to [email protected]. (NOTE: This is not a customer support email

link. For that, please refer to the Customer Service contact information above.) Thank

you!

http://www.kvalinc.com

KVAL Endeavor System Service Manual

NOTICE OF OWNERSHIP OF KVALCAM SOFTWARE AND LIMITED LICENSE TO

USE

READ THIS NOTICE CAREFULLY BEFORE USING THE KVALCAM SOFTWARE WHICH OPERATES

KVAL MACHINERY. THIS DOCUMENT CONSTITUTES NOTICE TO YOU THAT YOU HAVE A LIMITED

LICENSE TO USE THE KVALCAM SOFTWARE ON THE TERMS AND CONDITIONS APPEARING BELOW.

BY USING THE KVALCAM SOFTWARE YOU ARE CONSENTING TO BE BOUND BY THIS LIMITED

LICENSE. IF YOU DO NOT AGREE TO ALL OF THE TERMS OF THIS LICENSE, THEN DO NOT USE THE

KVALCAM SOFTWARE.

KVAL, Inc., is the owner of all rights in respect of the software and documentation (referred to as “Licensor”). You

are the purchaser of KVAL Machinery operated by the KVALCAM Software are the “Licensee”.

The computer program(s) and related documentation and materials (herein collectively referred to as “the KvalCAM

Software” and further defined herein) which are used in the operation of the KVAL Machinery are licensed, not sold,

to you for use only upon the limited terms of this license, and Licensor reserves any rights not expressly granted to

you. Licensor retains all ownership of the KvalCAM Software.

Title, ownership rights, and intellectual property rights in the KvalCAM Software shall remain with KVAL, Inc. The

KVALCAM Software is protected by copyright laws and treaties. Title and related rights in the content generated

through the KVALCAM Software are also the property of the Licensor and are protected by applicable law.

1.

Definitions

.

a.“KVALCAM Software” means the KVALCAM computer application installed in the KVAL

Machinery and written documentation and materials provided to you, as well as any revisions or

updates of such computer application and documentation.

b.“Install” means storing of the KVALCAM Software in the computer component of the KVAL

Machinery.

c.“Use” means executing the KVALCAM Software for purpose of operating the KVAL

Machinery and use of the documentation for properly operating KVALCAM Software.

2.

Grant of License

.

a.Licensor hereby grants Licensee a non-exclusive, non-transferable license to Use the KVAL-

CAM Software upon payment of all amounts due for the purchase of the related KVAL Machin-

ery.

b.Licensee will make no copies of the KVALCAM Software or alter the KVALCAM Software

in any way. Title to the KVALCAM Software will remain vested in Licensor, and nothing in this

License will give or convey any right, title or interest therein to Licensee except as a licensee.

c.Licensee agrees that it will use the KVALCAM Software or related documentation directly or

indirectly for the benefit of Licensee, and only pursuant to the scope of the grant of the License

set forth herein.

d.Licensee will not decode, alter, decompile, reverse engineer, perform reverse analysis on or

disassemble the KVALCAM Software.

e.This License will terminate automatically if Licensee fails to comply with the limitations

described above.

KVAL Endeavor System Service Manual

Table of Contents

KVAL Endeavor Line System

Chapter 1 Introduction to the Endeavor Door System

Overview of the Endeavor System .......................................... 1-2

Central Operator’s Station ....................................................................1-2

ON-3 Feeder.........................................................................................1-2

DL-NCD and Invert Station...................................................................1-3

Automatic Door Invert Station (Option for DL-NCD).............................1-4

Endeavor ..............................................................................................1-4

ON-3 Stacker (Option TD) ....................................................................1-6

About this Manual.................................................................................1-7

Safety First!.............................................................................. 1-8

Safety Sheet Sign-Off Sheet.................................................................1-8

Safety Terminology of Labels................................................................1-8

Safety Guidelines..................................................................................1-8

Lockout-Tagout Guidelines...................................................... 1-12

Follow the P-R-O-P-E-R lockout rule of thumb...................................1-12

Lockout Tagout Procedure....................................................... 1-13

Pre-Steps Before Lockout Tagout.......................................................1-13

Lockout Tagout Power........................................................................1-13

Lockout Tagout Air Supply..................................................................1-14

Start Maintenance...............................................................................1-14

Post Maintenance Steps.....................................................................1-14

Zero-Energy to Start-Up........................................................... 1-15

Getting Help from KVAL........................................................... 1-17

On-Line Help.......................................................................................1-17

Product Return Procedure..................................................................1-17

How to Download the Service Application............................... 1-19

Download Application.........................................................................1-19

Safety Sign-Off Sheet.............................................................. 1-22

A Note to the Operator........................................................................1-22

Chapter 2 System IT Administration

System IT Administration......................................................... 2-2

About the Endeavor Line Computer .....................................................2-2

Connections on the PLC.......................................................................2-2

Backing up the Computer.....................................................................2-3

About Remote Connection to KVAL Service.........................................2-3

KVAL Endeavor Line Service Manual

Table of Contents

Chapter 3 Maintenance of the Endeavor Line

Maintenance Schedule............................................................ 3-2

300 Cycle Maintenance Steps................................................. 3-4

Clean, Clean, Clean!.............................................................................3-4

600 Cycle Maintenance Steps................................................. 3-5

Check Air Gauges and Inspect Water Traps ........................................3-5

Inspect Tooling......................................................................................3-5

Clean Air Condition Filters....................................................................3-6

Empty Dust Collection Units.................................................................3-6

3,000 Cycle Maintenance Steps.............................................. 3-7

Inspect Feed Belts................................................................................3-7

Inspect all Photo Eyes..........................................................................3-7

Inspect Limit Switches..........................................................................3-7

Inspect Airlines .....................................................................................3-8

Refill Lubricators...................................................................................3-8

Grease Ball Screw Bearings.................................................................3-9

Clean Bearing Shafts............................................................................3-9

12,000 Cycle Maintenance Steps............................................ 3-10

Inspect Chains for Proper Tension......................................................3-10

Inspect Air Cylinders...........................................................................3-10

Inspect Hydraulic Lines.......................................................................3-10

Inspect Ball Rail Shafts.......................................................................3-11

Clean and Lubricate Slides, Cylinder Rods and Bearing Shafts.........3-11

72,000 Cycle Maintenance Steps............................................ 3-12

Inspect Nuts and Bolts........................................................................3-12

Check Door Feeding Transition..........................................................3-12

Electrical.............................................................................................3-12

Computer Backup...............................................................................3-12

Wash Filter and Lubricator Bowls.......................................................3-12

Tool Changing Schedule.......................................................... 3-13

Maintenance NO-GOES.......................................................... 3-14

Lubrication Schedule............................................................... 3-15

Lubrication Requirements....................................................... 3-16

Linear Bearings, Flange Bearing, and Pillow Blocks..........................3-16

Gear Motor Lubrication Requirements................................................3-17

Ball Screws (If Applicable)..................................................................3-17

Description of Air Input System ..........................................................3-17

Adjusting the Air Line Lubricator ........................................................3-18

Priming the Air Line Lubricator ...........................................................3-18

Table of Contents

KVAL Endeavor Line System

Replacing Bits.......................................................................... 3-19

Replacing Bits in the Lock Carriage of Endeavor ..............................3-19

How to Access Tool Set......................................................................3-19

About Replacing Endeavor Tools............................................. 3-21

Tool Location Hinge Carriage .............................................................3-21

Tool Location Lock Hinge....................................................................3-22

Tool Collet Wrench and Shaft Wrench List .........................................3-22

How to Access to Bit Assemblies .......................................................3-23

Remove and Replace the Router or Pre-Drill Bits.............................3-23

Remove and Replace the Chisels ......................................................3-25

How to Change a Tool in the DL-NCD..................................... 3-27

Changing a Tool Bit and Using Tool-Change Tightening Fixture ........3-28

Replacing the X-Axis Self Lubricator....................................... 3-30

About the Automatic Lubricator ..........................................................3-30

Collet Torque Values................................................................ 3-33

Chapter 4 Troubleshooting the Endeavor Line

Troubleshooting Basics ........................................................... 4-2

Before you Adjust .................................................................................4-2

Analyze the Sub Systems.....................................................................4-4

About Motion Control............................................................... 4-5

Sequencing...........................................................................................4-5

Point to Point ........................................................................................4-5

Incremental...........................................................................................4-5

Basic Control Circuit................................................................ 4-6

About a Typical Contactor Control........................................... 4-7

About Contactor Troubleshooting.........................................................4-8

About Typical VFD Motor Drive Control................................... 4-9

About the VFD....................................................................................4-10

About VFD Troubleshooting ...............................................................4-11

About a Typical Pneumatic Circuit........................................... 4-12

Typical Pneumatic Assembly..............................................................4-13

About the Coil (Solenoid)....................................................................4-13

About Cylinder Operation ...................................................................4-14

How the Pneumatic System Works ....................................................4-14

Important Notice about Adjusting Cylinder Speed..............................4-16

Adjusting Cylinder Extend Speed .......................................................4-17

Adjusting Cylinder Retraction Speed.................................................4-17

KVAL Endeavor Line Service Manual

Table of Contents

Network System Overview....................................................... 4-18

Connections to Servo Drives..............................................................4-18

About Switches and Sensors................................................... 4-19

Using Sensors to Trouble Shoot.........................................................4-20

Troubleshooting Electrical Problems ....................................... 4-21

If the Power Stops During Normal Operation......................................4-21

Troubleshooting with the Status Light Panel ......................................4-22

1-1

KVAL Service Manual

CHAPTER 1 Introduction to the Endeavor Door System

Chapter 1 at a Glance

The following information is available in this chapter:

TABLE 1- 1. Summary of Chapter

Section Name Summary Page

Overview of the Endeavor

Door System

This section provides an overview of the machine.

It includes a general description and a table of

available options

page 1-2

Safety First! IMPORTANT safety information is described in

this section page 1-8

Lockout-Tagout Guidelines Procedures describing Lockout Tagout.. page 1-12

Zero-Energy to Start-Up Procedure to power up your machine for the first

time. page 1-15

Getting Help from KVAL This section describes the method to contact the

KVAL service center for help. The section includes

how to get information from the specification plate

tor provide to KVAL, service center hours, and

return procedures

page 1-17

Safety Sign-Off Sheet A record to track operators that are trained on the

machine. page 1-22

Overview of the Endeavor System

KVAL Service Manual

1-2

Overview of the Endeavor System

Central Operator’s Station

A central computer and KvalCAM software to is used to operate the

entire door line. Door file creation software is included and allows

locks, lights, viewers and edge detailing to be combined into a single

door file referenced from the screen, a bar-code label or (optional)

chip embedded in the door . Extensive machine diagnostics are

included, as well as internet support and connectivity for remote sup-

port via our offices in Petaluma.

ON-3 Feeder

The KVAL ON-3 Door Feeder automatically lifts individual doors from a

stack up to 7 feet high and places the door onto a powered roll table

where the door can be fed to the next machine manually with a

'Call Door' switch or automatically fed when the next machine

in the line is ready to receive a door. Cycle time is approxi-

mately 20 seconds.

The door stacking mechanisms are based on a standard KVAL

ON-3 Door Stacker which includes a power roll conveyor and

pick and place door lift, but using Schmalz vacuum platens rather

than the standard end gripper.

Wire guards are attached to the ON-3 frame on three sides. A slot opening

will be provided to allow the door to be fed to the next machine. (Optional)

Note: Minimum ceiling height required for clearance for the

clamp assembly is at maximum

Maximum door stack height will be 84".

A variable speed drive is installed, with controls, to match the feed speed of the machine line.

Overview of the Endeavor System

1-3

KVAL Service Manual

DL-NCD and Invert Station

The DL-NCD is a Numerically-Controlled Door Light Cut-Out Machine

equipped with AC servo control for all three axes of cutting, ‘X’ (Length

of the door), ‘Y’ (width of the door), and ‘Z’ (Depth into the face

of the door). The ‘Z’ axis servo control makes it simple to

program for security locks where the face bore is

machined to a precise depth. The operator may

reduce the plunge speed to minimize tear-out in the

bottom face when machining small diameter holes.

When the DL-NCD is used as a drill, de-burring on the

bottom face may be required.

The DL-NCD is equipped with an automatic feed and width

adjust system to automatically receive doors, position the door

against the stop, clamp the door and start the machining sequence if

the instructions have been downloaded. The DL-NCD can process doors

that vary in height from 6’-6” to 8’-0”, 12” to 3’-6” in width and 1-3/4” in

thickness. Minimum distance from edge of cutout to edge of door is 1-1/2" on both

sides.

The direct drive high frequency spindle motor for cutting the door is equipped with an automatic

tool changer and access to eight (8) additional tool holders which are placed in a fixture along the

fixed side of the machine. Programs can call for an automatic tool change and RPM adjustment

for wood, fiberglass or steel doors. Individual door light patterns are created at the machine con-

sole, or remotely using a standard PC. The DL-NCD includes an industrial PC with a standard

Ethernet connection for file transfer and library backup, as well as occasional internet support and

updates from KVAL.

All DL-NCD installations require that the integrated PC computer has access to broadband inter-

net for real-time diagnostics and program updates. On-board diagnostic programs allow the user

to determine the source of operating errors and failures, even after they have occurred. A tool

holder stand and torque wrench are included so tool changes may be done quickly and accurately.

STANDARD ORIENTATION: Standing at the fixed fence, the DL-NCD feeds from left to right.

Entry doors are oriented sill end leading, with the lock side against the fixed fence. Doors are usu-

ally aligned so the lock side of the door is against the fixed fence to ensure the lock bore backset

is accurate.

Overview of the Endeavor System

KVAL Service Manual

1-4

Automatic Door Invert Station (Option for DL-NCD)

A fully automatic door station designed to invert door slabs after the

DL-NCD door processor. After auto in-feed with powered

rolls, the door is inverted sideways and realigned for

reverse feed back into the DL-NCD.

Endeavor

The ENDEAVOR is a fully automatic computer controlled door

machine capable of simultaneously routing both the lock stile

and hinge stile. Corner squaring chisels are standard for hinge

pockets and lock face plates. Pilot hole drilling is also

standard for hinges, and is available as an option

for lock face plates.

Machine orientation allows the

Endeavor to work directly in line with the

KVAL DL-NCD: The lock side is fixed

while the hinge side adjusts to match door

width.

Normally door specifications are automatically

transferred to the machine’s computer just as a door

enters from a KVAL DL-NCD, so no operator intervention

is required. All functions are automatic including adjustment

for door thickness, width, length, door positioning, setting head angle at 0 degree or 3

degree, clamping, and detection of exact door top location on both lock stile and hinge stile. The

automatic cycle includes all machining operations, followed by unclamp and out-feed.

For the lock side, the machining carriage features three heavy duty three phase spindle routers: a

12HP motor for mortise lock and cylinder bores, and two 7-1/2 HP motors, with one motor with

left had rotation and the second motor with right hand rotation to process hardware templates

requiring routing through the top or bottom door faces – such as T strikes, or through the stile end

for an auto flush bolt. The entire head pivots from zero to three degrees on precision Timken bear-

ings as part of the automatic sequence.

Overview of the Endeavor System

1-5

KVAL Service Manual

The lock carriage X axis travel is 122", the Y axis travel is 20" and Z axis travel is

9-1/2". Feed speeds up to 2400 inches per minute can be programmed. This 'X' axis travel allows

the head to machine the full length of the lock stile for top and bottom flush bolts or multi-point

lock hardware on a 10'-0" door.

For hinge side machining, two additional independent carriages simultaneously process hinge

mortises while the lock is being detailed. Each carriage includes two heavy duty 3 HP 3 phase

high frequency motors which also pivot either for 0 or 3 degree bevel, again with precision Tim-

ken bearings. One motor is right hand rotation and the second motor is left hand rotation. The

computer automatically selects the proper motor to cut into the door to eliminate chip-out and

then switches to the second motor to prevent chip-out at the other end of the hinge. Programming

is available for Soss hinges and intermediate pivots.

Each hinge routing carriage also includes a pre-drilling motor for hinge screws and corner squar-

ing chisels for square hinges. The pre-drill motor on each carriage is a high frequency 23,000

RPM spindle equipped with a quick change chuck. Programmed drill motion processes pilot holes

in succession for a variety of hinge sizes. The corner squaring chisels can be selected to automati-

cally square the corners of hinge pockets machined with a 1/2" router bit.

Almost any combination of hinge spacing can be easily programmed with both carriages simulta-

neously machining two hinge pockets and automatically machining the third pocket, or fourth

pocket, in a second operation. Typical overall cycle time for doors with four hinges, squared and

drilled for screws, and including lock detailing for either a cylinder or mortise lock will be under

sixty seconds door to door. The cycle will be slightly higher when door width changes, and up to

twice as long for doors with a T strike combined with a top and bottom flush bolt.

Overview of the Endeavor System

KVAL Service Manual

1-6

ON-3 Stacker (Option TD)

This station combines the functions of a door stacker with a packaging

machine, dispensing and cutting two strips of polyethylene foam

between each door. Foam width is assumed to be approximately

4”.

The door stacking mechanisms are based on a standard

KVAL ON3 Door Stacker which includes a power roll con-

veyor and pick and place door lift, but using Schmalz vac-

uum platens rather than the standard end gripper. The

vacuum system avoids gripping clamps on the door ends

that conflict with the foam dispensers, and eliminates prob-

lems with door positioning when door width varies. Doors

are lifted from the conveyer, then lowered and stacked along-

side the outside of the conveyor.

This version adds mechanism and programming to automatically lay

two strips of polyethylene foam as each door is stacked, automatically

adjusting foam positions to the door width, so strips are consistently located along the outside

of the door face.

All doors regardless of length will be stacked flush to one end towards the off-feed end of the

power conveyor. Door width is also stacked flush along one edge. Foam length will be auto-

matically determined based on the length of the next door waiting to be stacked. If a longer

door is stacked above a shorter door then excess tape will be cut to avoid mechanical conflict

between the foam strip pulling shuttle and the next door.

For simplicity, a heavy duty scissor lift is also incorporated in the design so each door is stacked at

a fixed height. The lift lowers by one door thickness each time a new door is added to the stack.

This eliminates the need raise and lower the roll dispensers, foam clamps, hot knives and the foam

strip pulling shuttle. It is also assumed that door stacks will be no more than 40 doors high.

The foam dispensing system is very similar in design to the newest Esse 2 packaging machine at

Wausau Supply, but with two dispensers to lay two strips. The inside strip, closest to the power

conveyor frame work is fixed in position aligned with the fixed long edge of the door stack. The

outside roll assembly will auto adjust to agree with the next door on the conveyor if the next door

is the same width or wider, but if the next is narrower, then the tape will be applied inwards to

support the narrow door about to be stacked.returns across the door pulling foam from the reels,

then stopping just beyond the door end. The next door is lowered on top of the foam, and while it

remains under tension, the hot knives cut the foam to length – and the cycle repeats.

After a door is placed on the stack, and the vacuum lifter returns above the conveyor, a foam

clamp shuttle will move from the far end of the door stack across the door of the ends of foam

tape clamped just inside the hot knives. This movement is via servo motor control and Brecoflex

belting, supported on precision rail bearings on the outside face of the conveyor table framework.

The tape ends are clamped, and the shuttle

Overview of the Endeavor System

1-7

KVAL Service Manual

About this Manual

This manual is part of a package delivered with the machine line.

Operation Manual includes the following:

Service Manual includes the following

Chapter Title Description

Chapter 1 Introduction Descriptions of Machine Line and Safety

Information.

Chapter 2 Operation Interface Descriptions of how to power machine

line, and operator interface user screens.

Chapter 3 Calibration Descriptions of Calibration Routines and

how to use the interfaces

Chapter 4 Tour of Endeavor Identification and descriptions of the

Endeavor machine assemblies.

Chapter 5 Tour of DL-NCD Identification and descriptions of the DL-

NCD machine assemblies.

Chapter 6 Tour of ON-3 Identification and descriptions of the ON-3

machine assemblies.

Chapter Title Description

Chapter 1 Introduction Safety Information.

Chapter 2 System IT Administration Descriptions of the PLC system,

and computer system.

Chapter 3 Maintenance Maintenance steps for the

machine line

Chapter 4 Trouble Shooting Troubleshooting tips and theory of

operation.

Safety First!

KVAL Service Manual

1-8

Safety First!

This machine is a powerful electro-mechanical motion control

system. You should test your motion system for safety under

all potential conditions. Failure to do so can result in dam-

age to equipment and/or serious injury to personnel.

Safety Sheet Sign-Off Sheet

At the end of this chapter, there is a safety sign-off sheet. It lists personnel and machine safety cri-

teria to understand before operating the machine. It is highly recommended that personnel operat-

ing, working on a machine meet the criteria listed in this sheet. It is recommended the sheet be

signed and kept for records. See “Safety Sign-Off Sheet” on page 1-22.

Safety Terminology of Labels

In addition to the nameplate, KVAL machines may have other warning labels or decals that pro-

vide safety information to operators. Safety labels should be clearly visible to the operator and

must be replaced if missing, damaged, or illegible.

There are three types of warning labels or decals:

• DANGER means if the danger is not avoided, it will cause death or serious injury. 

• WARNING means if the warning is not heeded, it can cause death or serious

injury. 

• CAUTION means if the precaution is not taken, it may cause minor or moderate

injury.

Safety Guidelines

In addition to the caution and warning labels affixed to this machine, follow the guidelines below

to help ensure the safety of equipment and personnel.

Ensure that all employees who operate this machine

are aware of and adhere to all safety precautions

posted on the machine and are trained to operate this

machine in a safe manner.

Training

Never operate the machine without proper eye and

ear protection.

Protective Gear

• Never reach hands beyond safety cage. Servo

motors can unexpectedly move quickly.

• Never clear screws or hinges out of the machine

while it is running.

• Never reach into the router area to retrieve a

hinge. The router may still be running down

after shut down.

• Never perform any maintenance unless machine

is at zero state.

• Never clean the machine while it is running.

• Never walk away from the machine while it is

running.

When the Machine is ON

The compressed air system connected to this

machine should have a three-way air valve

for shut-off and pressure relief.

All cylinders on machine are under high

pressure and can be very dangerous when

activated. Before performing any mainte-

nance or repairs on this machine turn off the

main air disconnect. Lockout and tagout

this connection.

See “Lockout Tagout Procedure” on

page 1-13.

Compressed Air

Safety First!

1-9

KVAL Service Manual

Electrical circuitry on this

machine is protected by an

approved lockable disconnect

circuit. In addition to this equip-

ment, you must install an

approved disconnect for the

electrical power supplying this

machine.

When opening the cabinet you must first turn off the

disconnect switch. When the cabinet door is open there

is still power on the top side of the disconnect switch.

Some machines are powered by more than one supply

located at different locations. Before performing any repairs or mainte-

nance, lockout and tagout must be installed at all locations

All maintenance and repairs to electrical circuitry should only be per-

formed by a qualified electrician.

Still has power

in OFF position

Electrical

Prior to performing any maintenance, repairs,

cleaning or when clearing jammed debris, you

must disconnect, tag out, or lock out the electrical

and air pressure systems. This should be done in

accordance with applicable state and/or federal

code requirements.

Before Conducting Maintenance

Laser Warnings

On some machines, laser indicators are used to set boundaries. Follow the

manufacturers safety precautions.

Safety First!

KVAL Service Manual

1-10

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