TM 5-4220-231-14&P
3-4 Change 5
Table 3-1 Unit Level PMCS Schedule (Cont).
H-Hourly M-Monthly Q-Quarterly A-Annually
ITEM
INTERVAL
ITEM TO BE
PROCEDURE
Equipment is Not
NO
H
M
Q
A
INSPECTED
Ready/Available if:
6
°
Volume Tank
Assembly (VTA)
Inspect frame for broken or
damaged welds, dents, or other
damage.
Damage prevents
normal or safe
operation.
°
Inspect for missing or loose
nuts, bolts, and fasteners.
Check for loose or damaged
interconnecting piping, fittings,
and hoses.
°
Clean and preserve VTA.
°
Deliver volume tank assembly
to intermediate general support
for hydrostatic testing.
Hydrostatic out of date.
NOTE
Every three years.
7
°
Valve, Relief
Perform cracking pressure test
of volume tank relief valve.
8
°
Valve, Supply
and Check
Turn each valve through a
complete open and close cycle.
Valve is jammed,
broken, or does not
perform function.
°
Clean and inspect exterior of
valve assemblies. Lubricate
valve stems.
9
°
Gages, Pressure
Calibrate IAW TB 9-4220-216-35.
Expired calibration due
date
NOTE
Calibrate every 540 days or
whenever inaccuracies are
noted.
