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 804 of 828

TM 9–2350–311–20–2

J–4

Change 2

NOTE

Perform steps 9 and 10 if pipe nipple and quick disconnect coupling have not been installed on

pump.

9

Apply teflon pipe sealant to threads of pipe nipple (21). Install pipe nipple in outlet port on electric hydraulic

pump (22).

10

Connect quick disconnect coupling (23) to pipe nipple (21).

11

Attach one end of hose assembly (24) to cylinder support assembly (1) and quick disconnect coupling (23).

NOTE

Hand pump hydraulic fluid capacity is 2 gallons (7.4 l) Electric hydraulic pump fluid capacity is 3/4

gallon (2.8 l).

12

Fill electric hydraulic pump (22) reservoir with hydraulic fluid (item 20.1, Appx D) to the proper level.

13

Connect electric hydraulic pump (22) to an electrical power source.

1

24

21

22

23