DISASSEMBLY - TM-5-2410-237-231560

TM 5-2410-237-23

BLADE CONTROL VALVE (LIFT AND TILT) REPAIR - CONTINUED

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WARNING

Wear eye protection when repairing blade control valve. Blade control valve contains springs under com-

pression. Failure to exercise caution during disassembly and assembly may result in injury to personnel.

CAUTION

To prevent contamination of hydraulic system, keep work area and components of blade control valve

clean.

DISASSEMBLY

Use extreme caution when handling heavy parts. Provide adequate support and use assistance during pro-

cedure. Ensure that any lifting device used is in good condition and of suitable load capacity. Keep clear of

heavy parts supported only by lifting device. Failure to follow this warning may result in death or injury.

NOTE

Blade control valve assembly weighs approximately 150 lb (68 kg).

Tag components as they are disassembled to ensure correct assembly.

With assistance, use a nylon sling and lifting device to place blade control valve on a clean work surface.

Remove any protective caps that are installed in blade control valve.

Loosen bolt (1) and remove lever (2) and key (3) from shaft (4).

NOTE

Two plugs are marked with pressure settings for respective pressure relief valve. Plug for bulldozer blade

lift and ripper lift is stamped "15 500 kPa." Plug for blade tilt is stamped "16 900 kPa."

Remove two plugs (5) from cover (6). Remove O-ring (7) from each plug and discard O-ring.

NOTE

Note quantity of shims to ensure correct assembly.

Change 1

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