TM 5-6640-212-14
Table 3-1. Preventive Maintenance Checks and Services (PMCS)
NOTE: Within designated interval, these checks are to be performed in the order listed.
B - Before
A - After
M - Monthly
D - During
M - Monthly
C - Combat Operability Check
Equipment is
ITEM
INTERVAL
ITEM TO BE
NOT READY/
NO.
B
D
AW
INSPECTED
PROCEDURE
AVAILABLE if:
1
Vacuum
Check to see that the vacuum
Pump
pump motor is lubricated and
the vacuum pump is properly
filled with oil.
Check the condition of drive
belt, make sure belt is not too
tight or too loose, check belt
Check all connections for
tightness.
Check oil level after pump has
been running for at least 15
minutes. Oil level should be
maintained between oil level
marks when in operation.
Check for overheating.
Check vacuum pressure gage
on control panel to see that it
is operative.
Check air compressor gage on
control panel to see that it is
operative.
Check compressor air pipes
for indications of leaks.
3-2
