INTERLOCK SWlTCH MAINTENANCE.
This task covers:
General Mechanics Tool Kit
(item 2, appendix B)
Automotive Fuel and Electrical System Repair, Tool Kit
(item 3, appendix B)
Load bank (item 19, appendix B)
(item 10, appendix E)
Generator Set 150 kW shut
Disconnect the negative battery cable first and then the positive battery termi-
nal cables. Failure to observe this warning could result in severe personal Injury
Tag all cables prior to removal to ensure correct connection of the cables during
1. Remove unit hood assembly (1, figure 5-39) as instructed in paragaph 4.14.
2. Open front panel (4) of control cabinet assembly (3) and secure with prop (5).
Remove eighteen screws (6), eighteen serrated lock washers (7) and eighteen washers (8).
4. Open control cabinet connection panel (9) and prop with wooden boards.
Remove two nuts (47) and cover (46).
Removal procedure for Interlock switch 513 (15), S14 (13) and S15 (11) Is the
same as for Inter lock switch S12 (17), described below.
6. Remove two screws (18), two washers (19) and cables (20) from interlock switch S12 (17).
Remove two screws (21), two serrated lock washers (23) and interlock switch S12 (17 from angle piece (32).
8. To remove angle pieces:
Remove two nuts (27), two serrated lock washers (28) and two washers (29) from screws (31).
b. Remove designation plate (30) and two screws (31) from control cabinet connection panel (9).
Remove two nuts (23), two serrated lock washers (24), two washers (25), two screws (26) from control cabinet
connection panel (9) and remove angle piece (32).