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TM 55-1905-223-24-18
3-131. Replace/Repair Interface Unit Assembly. (Figure 3-120)
This task covers:
a. Removal
b. Repair
c. Replacement
INITIAL SETUP :
Tools
Equipment Condition
Tool kit, electrician's,
Electrical power to machinery plant
monitoring and alarm system
secured and tag 'Out of Service -
Materials/Parts
Do Not Operate." TM 55-1905-223-10
Warning tag, Item 1, Appendix C
LOCATION
ITEM
ACTION
REMARKS
NOTE
This task applies to the three interface unit assemblies
associated with the machinery plant monitoring and alarm
system.
REMOVAL
a. Loosen captive screws (1) and open cover (2).
b. Tag and disconnect wiring from terminal boards.
c. Remove mounting screws (4).
d. Remove interface unit assembly (3).
REPAIR
Repair at this level is by replacement of interface unit assembly.
REPLACEMENT
a. Mount interface unit assembly (3) on bulkhead. Secure with mounting screws (4).
b. Connect wiring to terminal boards. Remove tags.
c. Close door (2), Tighten captive screws (1).
d. Turn power to machinery plant monitoring and alarm system on and remove tags.


 


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