TM 55-1905-223-24-14
Table 2-2. Unit Preventive Maintenance Checks and Services (PMCS) for Magnetic Compass System
W - Weekly
M - Monthly
Interval
Items
Procedures
To Be
Item
Inspected
No.
W
M
1
Binnacle and compass
Clean exterior window with damp soft cloth
Assembly window
(Appendix C, Item 2).
2
Binnacle and compass
Wipe clean with soft cloth (Appendix, Item 2).
assembly lenses
3
Binnacle and compass
Wipe clean with soft cloth (Appendix, Item 2).
assembly mirror
4
Binnacle and compass
assembly lighting
Make sure knob functions freely.
fixture
Inspect lighting fixture for looseness or
corrosion. If fixture is loose or corrosion
exists, notify your supervisor.
5
Binnacle and compass
Make sure toggle switch functions freely.
assembly pedestal (pilot
house top)
Clean surface with a damp soft cloth
(Appendix C, Item 2).
2-7