TM 9-2330-275-14&P
4-75. HYDRAULIC PUMP REPLACEMENT (M832 EXCEPT SN J089-001 THRU 159 AND
J017-160 THRU 350) (Con’t).
3.
Remove drain plug (3) from hydraulic pump (1) and drain hydraulic fluid. Install drain plug.
4.
Disconnect hydraulic line (6) from bushing (7) and remove bushing from hydraulic pump (1).
5.
Remove six nuts (5), lockwashers (4), and bolts (2) from hydraulic pump (1) and remove hydraulic pump from
dolly. Discard Iockwashers.
b. INSTALLATION
1.
Install hydraulic pump (1) to dolly with six bolts (2), new Iockwashers (4), and nuts (5).
2.
Install bushing (7) and connect hydraulic line (6) to hydraulic pump (1).
c.
BLEEDING HYDRAULIC SYSTEM
1.
Fill hydraulic pump (1) reservoir with hydraulic fluid (Chapter 3, Section 1).
2.
Rotate pump valve release valve handle (8) clockwise to PUMP position.
3.
Ensure that lifting-leveling jack valve (11) at each hydraulic cylinder (9) is closed.
4.
Open Iifting-leveling jack valve (11) at one hydraulic cylinder (9).
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