TM 55-1905-223-24-14
Table 2-1. Preventive Maintenance Checks and Services (PMCS) for the Gyro Compass System - CONT
E - Each Watch
W - Weekly
M - Monthly
Interval
Items
Procedures
To Be
Item
Inspected
No.
W
E
M
13
Switch unit retaining
Check for looseness and secure.
chain/bolt, stuffing tubes,
mounting bolts, and
fasteners.
14
Relay transmitter stuf-
Check for looseness and secure.
fing tubes, mounting bolts,
and fasteners
15
Relay transmitter exterior
Clean with damp soft cloth (Appendix C, Item 2).
surfaces
16
Bearing repeater lamp
Check illumination by rotating dimmer knob.
17
Bearing repeater support
Make sure there is free movement of repeater in
support.
18
Bearing repeater cable
Make sure there is free movement of repeater in
assembly
support. Check for kinks or breaks.
19
Bearing repeater and
Clean with damp soft cloth (Appendix C, Item 2).
pelorus stand exterior
Check for rust and corrosion.
surfaces (pilot house top,
bridge wings)
20
Open scale repeater lamp
Check illumination by rotating dimmer knob.
21
Open scale repeater
Check for security, crimps, breaks, and condition
mounting bolts and cable
of cable.
assembly
22
Open scale repeater and
Clean with damp soft cloth (Appendix C, Item 2).
bulkhead mounting bracket
Check for rust and corrosion.
exterior surfaces
2-5
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