Eaton Cutler-Hammer, O & M Manual

IB01602002E

Page v

Effective 10/02

PAGE

SECTION 6:  TESTING AND PROBLEM SOLVING

6.1

Testing .............................................................................................................................................................18

6.2

Problem Solving ................................................................................................................................................18
6.2.1

Transfer Switch Appears Inoperative ...................................................................................................19

6.2.2

Transfer Switch will not Automatically Transfer to Normal ...................................................................19

6.2.3

Transfer Switch will not Automatically Transfer to Emergency ............................................................19

6.2.4

Transfer Switch will not Automatically Recharge Switches ..................................................................20

SECTION 7:  MAINTENANCE

7.1

Introduction........................................................................................................................................................21

7.2

Procedures ........................................................................................................................................................21

7.3

Cover Removal and Replacement ....................................................................................................................23
7.3.1

NEMA 1 Cover Removal and Replacement .........................................................................................23

7.3.2

NEMA 3R Cover Removal and Replacement ......................................................................................25

SECTION 8:  RENEWAL PARTS GUIDE

8.1

General .............................................................................................................................................................28

LIST OF FIGURES

Figure

Title

Page

1-1

Typical Load Transfer Switch (circuit breaker type) Schematic.................................................................2

1-2

Typical Mini Transfer Switch with Dead Front Attached ............................................................................3

1-3

Typical Mini Transfer Switch with Dead Front Removed ...........................................................................3

3-1

Typical Mini Power Panel ..........................................................................................................................6

3-2

Insulated Case Switch ...............................................................................................................................6

3-3

Fixed Insulated Case Circuit Breaker ........................................................................................................7

3-4

Terminal Connections for Typical Fixed Mount Transfer Switch ...............................................................7

3-5

Voltage Selection Panel.............................................................................................................................8

3-6

ATC-600/ATC-800 .....................................................................................................................................8

3-7

Neutral SE with Ground Fault ....................................................................................................................9

3-8

Solid Neutral ..............................................................................................................................................9

3-9

Charger Mounting Dimensions in Inches (mm) .......................................................................................10

4-1

Seismic Tested and Approved Product Mounting Instructions ................................................................15

5-1

Pumping Handle Charges Stored Energy Mechanism ............................................................................16

5-2

Close Switch by Pushing Close Button....................................................................................................16

5-3

Switching Device Closing Precautions ....................................................................................................17