5.15 SAFETY DEVICE N3 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)
X/Y-printer (item 16, 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.
Tag ail cables prior to removal to ensure correct connection of the cables
Open flap (2, figure 5-31) on unit hood assembly (1).
Open front panel (4) on control cabinet assembly (3) and secure with prop (5).
Do not useexcessive force to removecircuit boards. Note the position
of circuit boards during removal for correct positioning during instal-
3. Remove circuit boards from safety device N3 (6):
a. Remove four screws (11), four serrated lock washers (12) and four washers (13), two angle
pieces (14) and front panel (15) from housing (10).