User's Manual Part 2

Field Replaceable Parts and Modules OS-1933-E3-003
044-05243 Rev A 4-11
Power System Fuse Removal and Replacement
The fuses for the power system are located on the back panel as shown in Figure 4-7. Perform the instructions
in Table 4-10 to remove and replace the power system 60 amp DC fuses. Perform the instructions in
Table 4-11 to remove and replace the power system 15 amp fuse.
Figure 4-7 Fuse removal and replacement
Table 4-10 60-Amp Fuse Removal and Replacement Procedures
Step Action
1
Remove AC to booster via external AC circuit breaker.
2 Open rear door of OS. Verify AC is removed.
3 Pull up to snap open fuse protective cover.
4 Remove screws securing top of appropriate fuse. Remove hex nut and disconnect cable at bottom of fuse.
Verify replacement fuse has correct rating.
5 Replace screws to secure fuse. Push up to close protective cover.
6 Close rear door of OS
Table 4-11 15-Amp Fuse Removal and Replacement Procedures
Step Action
1
Open rear door of OS.
2 Remove screw-in fuse cap and remove fuse. Verify replacement fuse has correct rating.
3 Replace fuse and replace fuse cap.
4 Close rear door of OS.
32 VDC 60 A Fuse (3)
(under cover)
250 VDC 15 A Fuse