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Page Title:
ORGANIZATIONAL PREVENTIVE MAINTENANCE CHECKS AND SERVICES SCHEDULE |
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 TM 3-1040-276-23
ORGANIZATIONAL PREVENTIVE MAINTENANCE CHECKS AND SERVICES SCHEDULE
M - MONTHLY
S - SEMIANNUALLY
Interval
Item
Item
To Be
No.
M
Inspected
S
Procedures
1
M3A4 smoke
Perform operator PMCS (TM 3-1040-276-10). Tighten all loose screws and
nuts. Perform authorized organizational maintenance as required. Evacu-
ate to direct support maintenance as required. Make sure instruction plate
(caution plate) is legible and not torn. Replace if necessary (p 2-14).
2
a. Open the front cover. Straighten and remove two cotter pins (1),
Air pump
extract lock pin (2) and pull air pump handle (3) out to remove air pump
assembly
components from air pump tube (4).
b. Clean parts with dry cleaning solvent (item 4, app C) and dry with rag
(item 6, app C).
c. Check for broken or missing parts. Check for bent or missing
washer (5), cut, torn, or frayed felt washer (6). Check for deformed or
frayed sleeve nut (7). Check for bent air pump rod (8) and bent or
punctured air pump tube (4). Replace missing or damaged parts
2-3
Change 1
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