TM 55-1905-223-24-14
Table 2-1. Unit Preventive Maintenance Checks and Services (PMCS) for the Gyro Compass System
E - Each Watch
W - Weekly
M - Monthly
Items
Interval
To Be
Item
Inspected
Procedures
No.
E
W
M
1
Compass binnacle
Check for indications of oil seepage around bin-
nacle seams. If seepage is noted, notify your
supervisor.
2
Compass shock mounts
Check that binnacle is free in its shock mounts.
If not, check for dirt and obstruction. Make sure
cable to binnacle is free and flexible.
3
Compass viewing window
Clean with soft rag (Appendix C, Item 6) and mild
soapy water (Appendix C, Item 4).
4
Compass exterior surfaces
Check for accumulated dirt and oil. Remove dirt
with a dusting cloth (Appendix C, Item 2).
Remove oil deposits with soft cloth (Appendix C,
Item 2) and cleaning solvent(Appendix C, Item 1).
5
Gyro control and power
Check for operation of lamp prior to sailing of
assembly FOLLOW-UP
vessel.
ALARM LAMP
6
Gyro control and power
Check for operation of lamp prior to sailing of
assembly CAGED lamp
vessel.
2-3
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