TM-9-2350-311-20-2
HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5
TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL FOR CAB, ARMAMENT, SIGHTING AND FIRE CONTROL, ELEVATING AND TRAVERSING SYSTEMS AND ASSOCIATED COMPONENTS
DECEMBER 1993
TM-9-2350-311-20-2 - Page 105 of 828
TM 9–2350–311–20–2
2–44
Change 2
2–27 PREPARATION OF CANNON, FIRE CONTROL INSTRUMENTS, AND AUTOMOTIVE
EQUIPMENT — CONTINUED
b.
Fire Control Instruments
1
Thoroughly clean and dry fire control instruments and coat unpainted surfaces with GAA (item 18, Appx
D).
2
Wrap all optical glass with lens tissue and fasten with tape.
3
Store all instruments on racks, in cases, or with protective covers.
c.
Preparation of Automotive Equipment
1
Fuel tanks.
(a)
Fill fuel tanks to maximum allowable level. Ventilate unvented fuel systems by releasing filler cap to the
first position.
(b)
If local fire regulations prohibit storing equipment with fuel in system, completely drain the fuel tanks.
2
Lead-acid batteries.
Leave batteries in place on equipment. Disconnect one terminal/connector. Ensure that the batteries are fully
charged when equipment is stored and returned to full charge during each equipment exercising.
2–28 CARE OF EQUIPMENT IN ADMINISTRATIVE STORAGE
a.
After equipment has been placed in administrative storage, suspend all regularly scheduled preventive maintenance
services and inspect and exercise as specified herein. Do not reduce Prescribed Load List.
CAUTION
Opening the breechblock with the spring tension released will cause the carrier to slam open and
possibly be damaged.
b.
Release pre-load on closing spring using adjustable wrench or spanner wrench. Apply clockwise pressure on adjuster
and depress adjuster plunger. Rotate adjuster slowly counterclockwise until all torque has been relieved.
2–29 INSPECTION
a.
Vehicle to be prepared for administrative storage must be given a limited technical inspection and processed as pre-
scribed on DD Form 1397. The results of the inspection and classification will be entered on DA Form 2404.
b.
If a vehicle is not shipped or issued upon expiration of the limited storage period, process as applicable in accordance
with MIL–H–46709.
c.
If a vehicle to be shipped will reach its destination within the limited storage period, it need not be reprocessed when
removed from storage, unless anticipated in-transit weather conditions make it necessary.
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