TM 9-4110-258-13
4.24 FUSES F1 AND F2 TESTING AND REPLACEMENT.
This task covers:
a. Testing
b. Removal
c. Installation
INITIAL SETUP
Equipment Conditions:
General Safety Instructions:
Refrigeration unit shut down (para 2.7) and power
disconnected.
WARNING
Control box cover door raised and latched.
High voltage and exposed rotating parts are
Materials/Parts:
used in the refrigeration unit. Personal injury
can result if power is connected.
Marker Tags (4)
7, Appendix E
a.
Testing
(1) Be sure power has been disconnected at the source and remove six screws (1). Open control box cover
(2).
(2) Remove two six amp fuses (3).
(3) Using multimeter set to measure continuity, check each fuse (3) continuity between ends. Continuity
should be indicated. If no continuity was indicated, replace fuse.
(4) If fuse block (4) is damaged, replace it.
(5) If no failure was indicated, install two fuses (3), close control box cover (2) and install six screws (1).
b. Removal.
(1) Be sure power has been disconnected at the source and remove six screws (1). Open control box cover
(2).
(2) Remove two fuses (3).
NOTE
Terminal hardware is supplied with fuse block.
(3) Tag wire lead terminals (5) and remove four screws (6), lock washers (7), and wire lead terminals.
(4) Remove two screws (8) and fuse block (4).
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