C11, TM 9-2350-230-12
TABLE 8-17.1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES-
PRIMARY ARMAMENT AND RELATED EQUIPMENT
INTERVAL
COMPONENT
PROCEDURE
REFERENCE
CAUTION: Avoid damaging air cylinders, which are under very high pressure.
After each
Removal/installation (Type ) - - - - -
day's firing -
detent
Clean, inspect and repair (Type I) - - -
not to exceed assembly
Removal/installation (Type I) - - - - -
40 rounds
(Type I or
Disassemble/assemble (Type 1m
---
between
11 only -
Clean, inspect, and repair (Type II) -
cleaning
para 3-3.4)
or
NOTE. Where additional firing is not
Every 90 days
anticipated, remove and clean detent assembly
when not
and detent hole for three consecutive days as
firing
for cannon tube (LO 9-2350-230-12)
Not to exceed Check valve
Disassemble and clean with TPM or RBC.
100 rounds
10.2, 10.3
Not to ex-
Firing
Disassemble and clean with TPM or RBC.
ceed 200
mechanism
Inspect contact and seal seat on breechblock
conven-
face.
tional
rounds
400 Rounds
Compressor
Disassemble and clean with TPM or RBC dry with
or 30 Com-
Air Intake
compressed air. Replace strainer/filter if de-
pressor hours Strainer
teriorated, clogged, or damaged.
(More Fre-
quently under
dusty condi-
tions)
400 Rounds or Compressor
Replace cartridge.
30 compres-
Chemical
a. Visually inspect compressor for general
sor hours
Dryer
physical condition, bent pins, fan blade
alignment, deformed tubing, and loose or
defective mounting hardware.
b. Check oil level with dipstick and add oil if
required.
CAUTION:
1. Use extreme care to avoid oil
2. Use ONLY air compressor
lubricating oil FSN 9150-753-4667.
3. Do not overfill
operating at fast idle, or with auxiliary power
source) to check for excessive noise or
vibration, and to check operation of moisture
separator dump cycle. Moisture separator
accumulated moisture for approximately
10 seconds every 25-35 minutes.
8-85