REMOVAL/DISASSEMBLY - TM-9-2350-238-20-10808

TM 9-2350-238-20-1

2-135. MAINTENANCE OF IMPACT WRENCH CONTROL HYDRAULIC LINES AND

FITTINGS AND IMPACT WRENCH REGULATOR BALL VALVE (CONT).

REMOVAL/DISASSEMBLY

To avoid injury to personnel, do not tighten or loosen hydraulic fittings when system is

pressurized.

Lower the boom to stowed position before doing any maintenance on hydraulic

system.

Wipe up spilled hydraulic fluid to prevent injury to personnel.

Install covers on open hydraulic ports, tubes, and hoses immediately after disconnect-

ing them to keep dirt out of hydraulic system.

1 Open driver's hatch cover (1).

2 Disconnect metal hose assembly (2) from tube elbow (3).

3 Disconnect metal hose assembly (4) from tube elbow (5).

4 Loosen locknut (6) on tube elbow (3). Remove tube elbow with locknut, packing retainer (7),

and preformed packing (8) from impact wrench control (9).

5 Remove preformed packing (8), packing retainer (7), and locknut (6) from tube elbow (3).

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