iii
Instruction Book
IB182217EN October 2018 www.eaton.com
50 / 75 / 150 DHP [Cable or Hard Bus Application]
Ground and Test Device
Table of Contents
SECTION 1: INTRODUCTION
4
1.1 AVAILABLE 50/150 DHP GROUND AND TEST DEVICES
4
SECTION 2: SAFE PRACTICES
8
SECTION 3: RECEIVING, HANDLING, AND STORAGE
9
3.1 RECEIVING
9
3.2 HANDLING
10
3.3 STORAGE
10
3.4 DHP-GT APPROXIMATE WEIGHTS
10
SECTION 4: DESCRIPTION AND OPERATION
17
4.1 INSULATING BARRIERS
17
4.2 BUSHINGS AND DISCONNECTING CONTACT ASSEMBLIES 17
4.3 INTERLOCKS
17
4.4 GROUNDING CONTACTS
17
4.5 BREAKER-CELL CODING PLATES
17
4.6 CELL POSITION DESCRIPTION
17
4.7 INSTALLATION OF GROUNDING BUS BARS
18
4.8 DEVICE AMPERAGE CONVERSION PROCEDURE
18
4.9 UNIVERSAL 1200A/2000A G&T
CONFIGURATION (OPTIONAL)
19
4.7.1 Changing 1200A Finger Clusters to 2000A
19
4.7.2 Changing 2000A Finger Clusters to 1200A
20
SECTION 5: INSTALLATION & INSPECTION
22
5.1 EXAMINATION FOR DAMAGE
22
5.1.1 NAMEPLATE VERIFICATION
22
5.2 INSTALLATION OF GROUNDING CABLES
22
5.3 SNUBBER ADJUSTMENT
22
5.2 INSERTION PROCEDURES
22
5.5 REMOVAL PROCEDURE
23
SECTION 6: INSPECTION AND MAINTENANCE
24
6.1 INTRODUCTION
24
6.2 FREQUENCY OF INSPECTION
24
6.3 INSPECTION AND MAINTENANCE PROCEDURES
24
6.4 INSULATION INTEGRITY CHECK
24
SECTION 7: REPLACEMENT OF COMPONENTS
25
7.1 GENERAL
25
7.1.1 ORDERING INSTRUCTIONS
25