5.11 DIGITAL ISOCHRONOUS LOAD SHARING MODULE N4 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)
Load Bank (item 19, 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 5-27) on unit hood assembly (1).
Open front panel (4) on control cabinet assembly (3) and secure with prop (5).
Using a suitable wrench to hold standoffs (35), remove two nuts (32), two serrated lock washers
(33), and two washers (34), from standoffs (35).
Remove nut (22), serrated lock washer (23), washer (24), voltage compensation line (21), and
Cut cable ties at cable tie holder (26) and remove cables.
Remove knurled nuts (29, 30) on N4 (36) and housing cover (31).
Record labeling and position of cables and disconnect cables from terminals of N4 (36).
Using a suitable wrench to hold standoff (37), remove screws (40), serrated lock washers (39), and
washers (38), from standoff (37).
While holding standoff with a suitable wrench, remove screw (28) serrated lock washer (27), and
cable tie holder (26).
10. Remove digital isochronous load sharing module N4 (36) from standoffs (35,37).