TM 11-5841-283-12/NAVAIR 16-30APR39-1
AVIATION UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES
M - MONTHLY
INTERVAL
ITEM TO BE
ITEM
M
INSPECTED
NO.
PROCEDURE
CAUTION
Before performing PMCS, set 28 vdc circuit breaker to OFF.
Remove control unit from instrument
Control Unit
1
Clean exterior surfaces of control unit
and cable connections. Check for rust
Repair any frayed or bare wires.
Repair damaged connector pins.
Replace fasteners that are broken,
stripped, or corroded.
Replace spare fuse, if missing.
Install control unit in instrument
4-34