5.7 AUXILIARY CONTACTOR MAINTENANCE.
This task covers:
General Mechanics Tool Kit
(item 2, appendix B)
Generator Set 150 kW shut
Automotive Fuel and Electrical System Repair, Tool Kit
(item 3, appendix B)
(item 10, appendix E)
Disconnect the negative battery cable first and then the positive bat-
tery terminal cables. Failure to observe this warning could result In se-
vere personal Injury or death.
C A U T I O N
Tag all cables prior to removal to ensure correct connection of the cables
Open flap (2, figure 5-19) on unit hood assembly (1).
Open front panel (4) on control cabinet assembly (3) and secure with prop (5).
N O T E
Removal procedure for auxiliary contractor K5 (41), K6 (42), K7 (43),
K8 (47), K9 (48), K15 (54), K16 (55), K18 (56), K27 (61) is the same as for
auxiliary contractor K28 (20), described below.
Record labeling and position of cables (17) to upper terminals (18) of auxiliary contractor K28 (20),
loosen screws (19), and remove cables (17).
Record labeling and position of cables (23) to lower terminals (22) of auxiliary contractor K28 (20),
loosen screws (21), and remove cables (23).
Use a screwdriver to push locking element (24) on auxiliary contractor K28 (20) in direction of arrow,
tilt auxiliary contractor K28 (20) upward and remove from mounting bar (38).