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QD8 Quik-Drive Tap-Changer Motor Replacement Kit 57A63675100A 

INSTALLATION INSTRUCTIONS

   

MN225038EN

   June 2016

The instructions in this manual are not intended as a 
substitute for proper training or adequate experience in the 
safe operation of the equipment described. Only competent 
technicians who are familiar with this equipment should 
install, operate, and service it.

A competent technician has these qualifications:

• Is thoroughly familiar with these instructions.

•  Is trained in industry-accepted high and low-voltage safe 

operating practices and procedures.

•  Is trained and authorized to energize, de-energize, clear, 

and ground power distribution equipment.

•  Is trained in the care and use of protective equipment 

such as arc flash clothing, safety glasses, face shield, hard 
hat, rubber gloves, clampstick, hotstick, etc.

Following is important safety information. For safe 
installation and operation of this equipment, be sure to read 
and understand all cautions and warnings.

Safety instructions

Following are general caution and warning statements that 
apply to this equipment. Additional statements, related to 
specific tasks and procedures, are located throughout the 
manual.

Safety for life

!

SAFETY

FOR LIFE

!

SAFETY

FOR LIFE

Eaton meets or exceeds all applicable industry standards relating to product safety in its Cooper Power™ series products. 
We actively promote safe practices in the use and maintenance of our products through our service literature, instructional 
training programs, and the continuous efforts of all Eaton employees involved in product design, manufacture, marketing, 
and service.

We strongly urge that you always follow all locally approved safety procedures and safety instructions when working around 
high voltage lines and equipment, and support our “Safety For Life” mission.

Safety information

DANGER

Hazardous voltage. Contact with hazardous voltage will 
cause death or severe personal injury. Follow all locally 
approved safety procedures when working around high- 
and low-voltage lines and equipment. 

G103.3

WARNING 

Before installing, operating, maintaining, or testing this 
equipment, carefully read and understand the contents 
of this manual. Improper operation, handling or 
maintenance can result in death, severe personal injury, 
and equipment damage. 

G101.0

WARNING 

This equipment is not intended to protect human 
life. Follow all locally approved procedures and safety 
practices when installing or operating this equipment. 
Failure to comply can result in death, severe personal 
injury and equipment damage. 

G102.1

WARNING 

Power distribution and transmission equipment must 
be properly selected for the intended application. It 
must be installed and serviced by competent personnel 
who have been trained and understand proper safety 
procedures. These instructions are written for such 
personnel and are not a substitute for adequate training 
and experience in safety procedures. Failure to properly 
select, install or maintain power distribution and 
transmission equipment can result in death, severe 
personal injury, and equipment damage. 

G122.2

This manual may contain four types of hazard statements:

DANGER 

Indicates an imminently hazardous situation which, if 
not avoided, will result in death or serious injury.

WARNING 

Indicates a potentially hazardous situation which, if not 
avoided, could result in death or serious injury.

CAUTION 

Indicates a potentially hazardous situation which, if not 
avoided, may result in minor or moderate injury.

CAUTION

Indicates a potentially hazardous situation which, if not 
avoided, may result in equipment damage only.

Hazard Statement Definitions

Summary of Contents for 57A63675100A

Page 1: ...QD8 Quik Drive Tap Changer Motor Replacement Kit 57A63675100A Installation Instructions COOPER POWER SERIES Voltage Regulators MN225038EN Effective June 2016 New Issue ...

Page 2: ...URPOSE OR MERCHANTABILITY OTHER THAN THOSE SPECIFICALLY SET OUT IN ANY EXISTING CONTRACT BETWEEN THE PARTIES ANY SUCH CONTRACT STATES THE ENTIRE OBLIGATION OF EATON THE CONTENTS OF THIS DOCUMENT SHALL NOT BECOME PART OF OR MODIFY ANY CONTRACT BETWEEN THE PARTIES In no event will Eaton be responsible to the purchaser or user in contract in tort including negligence strict liability or other wise fo...

Page 3: ...FORMATION IV Safety instructions iv PRODUCT INFORMATION 1 Introduction 1 Read this manual first 1 Acceptance and initial inspection 1 Handling and storage 1 Quality standards 1 Additional information 1 Parts supplied 1 Tools required 1 REMOVAL AND DISASSEMBLY PROCEDURE 2 REASSEMBLY AND INSTALLATION PROCEDURE 4 PLACING TAP CHANGER INTO NEUTRAL 7 ...

Page 4: ...ons when working around high voltage lines and equipment and support our Safety For Life mission Safety information DANGER Hazardous voltage Contact with hazardous voltage will cause death or severe personal injury Follow all locally approved safety procedures when working around high and low voltage lines and equipment G103 3 WARNING Before installing operating maintaining or testing this equipme...

Page 5: ... to be stored for any length of time prior to installation provide a clean dry storage area Quality standards ISO 9001 Certified Quality Management System Additional information These instructions cannot cover all details or variations in the equipment procedures or process described nor provide directions for meeting every possible contingency during installation operation or maintenance For addi...

Page 6: ...These Wire Ties Figure 2 Removal of wire ties 4 Use a Phillips screwdriver to disconnect the white motor wire located on terminal G the red motor wire located on terminal 6 and the blue motor wire located on terminal 2 Refer to Figure 3 Blue Motor Wire White Motor Wire Red Motor Wire Figure 3 Disconnection of wires 5 Loosen the locknut on the chain tension screw with a 7 16 wrench Loosen the chain...

Page 7: ...gure 6 Removal of the motor 7 Remove the chain from the motor sprocket and set it on the brake assembly as shown in Figure 7 Lift the motor out of the relief area Chain Brake Assembly Figure 7 Removal of the chain 8 Remove the four screws securing the motor to the motor mounting plate using a 1 4 socket on a ratchet Remove the motor mounting plate from the old motor Refer to Figure 8 Motor Mountin...

Page 8: ...re 9 Woodruff key placement 10 Align the sprocket keyway with the Woodruff key on the motor shaft Slide the sprocket onto the motor shaft with the sprocket hub end towards the motor Install the second snap ring into the outer snap ring groove using a snap ring pliers Refer to Figure 10 Sprocket Hub Outer Snap Ring Figure 10 Placement of the sprocket 11 Use a 1 4 socket on a ratchet attach the moto...

Page 9: ...in See Figure 13 Belleville Washer Figure 13 Belleville washer on the motor mounting stud IMPORTANT Make sure that the mounting hole in the motor mounting bracket is fully seated on the shoulder of the mounting stud If it is not fully seated the chain may bind and fall off See Figure 14 and Figure 15 14 Move the motor assembly into position with the motor chain adjustment screw bumper located on t...

Page 10: ... 17 Locknut Motor Mount Bumper Screw Figure 17 Chain tension 16 Using a torque wrench tighten the pivot motor stud locknut to 180 192 in lbs 20 0 21 1 Nm See Figure 16 17 Trim the motor wires with a diagonal cutter to a length of 8 inches Crimp one of the supplied ring tongue connectors to the end of each wire 18 Attach the terminals to the motor connection points on the terminal board as follows ...

Page 11: ...cts are located on the neutral stationary contact which is located at the 11 o clock position See Figure 21 Main Movable Contacts Neutral Stationary Contact Figure 21 Neutral stationary contact position for main movable contacts B The reversing movable contact is located on the reversing neutral stationary contact See Figure 22 Reversing Neutral Stationary Contact Reversing Movable Contact Figure ...

Page 12: ...in USA Publication No MN225038EN June 2016 57A63675100A Rev 06 Eaton is a registered trademark All trademarks are property of their respective owners For Eaton s Cooper Power series product information call 1 877 277 4636 or visit www eaton com cooperpowerseries SAFETY FOR LIFE D The neutral switch will be depressed with the switch lever See Figure 24 Neutral Switch Switch Lever Figure 24 Neutral ...

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