TM 5-4220-211-12&P
SECTION IV.
MAINTENANCE ALLOCATION CHART
REFERENCE
REMARKS
CODE
A
Test for Air Purity Standards listed in the Operation & Maintenance Manual and FM 20-11-1.
B
Conduct leakage test in accordance with instructions in manual.
C
Consists of cleaning and replenishing fuel & oil.
D
The compressor assembly will be returned to the contractor for overhaul.
E
Adjust belt tension in accordance with instructions in manual.
F
After 25 hours operation clean air intake filter. See Manual.
G
Replace any part of assy.
H
Clean filter in accordance with manual. Replace any part.
J
Change cartridge after 30 tank fillings.
K
Safety Valves are sealed at factory. No repairs are authorized.
L
Clean filter element according to instructions in manual.
M
Same as K above.
N
Adjust according to instructions in manual.
O
After 30 minutes operation check for overheating. Valve head should be handwarm.
P
Clean in accordance with instructions in manual.
Q
Replace valve plates and seats in pairs. When plates have excessive wear replace entire
valve.
R
Same as 0 above.
S
Same as P above.
T
Same as Q above.
U
Same as O above.
V
Same as P above.
W
The third stage intake valve and pressure delivery valve must be replaced as a complete
assembly.
X
Make oil changes in accordance with instructions in manual.
C-8