TM-9-2350-311-10

HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5

TECHNICAL MANUAL; OPERATOR’S MANUAL

NOVEMBER 1994

TM-9-2350-311-10 - Page 718 of 775

TM 9-2350-311-10

G-3 LUBRICATION INSTRUCTIONS — CONTINUED

10. REPLENISHER ACCUMULATOR ASSEMBLY (C)

NOTE

Pressure may increase during normal firing due to heat expansion. Safe-to-fire range is 17 to 50

psi (117 to 345 kPa).

Before firing, check pressure gage (26); reading should be 17 to 24 psi (117 to 165 kPa) at 70° F (210 C). If pressure

gage reading is low, replenish system with hydraulic fluid, OHT (Table&l) as follows:

a. Fill M3 oil gun (para 3–6.6).

b. Place cannon tube at zero elevation.

c. Using adapter, hose, and reducer, attach M3 oil gun loosely to filling valve (27) of replenisher accumulator assem-

bly (28). Turn handle (29) of M3 oil gun clockwise until clean liquid flows around filling valve.

d. Fill replenisher accumulator assembly (28) using M3 oil gun until pressure gage (26) reads 17 to 24 psi (117 to

165 kPa). If pressure is high, drain or bleed.

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