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TM 9-4110-257-14
4-21. CIRCUIT BREAKER CB1 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,
1, Appendix G
battery disconnected (para 4-35).
Marker Tags (2)
Control panel cover door raised and latched.
7, Appendix E
a.
Testing. (See Figure 1-4.)
(1) Be sure battery has been disconnected and remove two bolts (1) and lock washers (2). Open control panel
(3). Discard lock washers.
Figure 4-15. Circuit Breaker
(2) Tag and disconnect wire leads (4).
4-55
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