TM 9-4110-255-14
4-23. FUSES F1 AND F2 TESTING AND REPLACEMENT.
This task covers:
a. Testing
b. Removal
c. Installation
INITIAL SETUP
Materials/Parts:
Equipment Conditions:
Lock Washers (2)
Refrigeration unit shut down (para 2-7) and battery
1, Appendix G
disconnected (para 4-35).
Marker Tags (4)
Control box cover door raised and latched.
4, Appendix E
a. Testing. (See Figure 1-4.)
(1) Be sure battery has been disconnected then remove two bolts (1) and lock washers (2). Open control
panel (3). Discard lock washers.
NOTE
One each 15 amp and 30 amp fuse is used.
(2) Note location and remove two fuses (4) and (5).
Figure 4-17. Fuses
(3) Using multimeter set to measure continuity, check continuity between each fuse (4) and (5) ends.
Continuity should be indicated. If no continuity was indicated, replace fuse(s).
(4) If fuse block (6) is damaged, replace it.
(5) If no failure was indicated, install fuse (4) and (5) in position note during removal, close control panel (3)
d
and install two new lock washers (2) and bolts (1).
4-60
