TM-5-3805-254-34

TRUCK, DUMP, 20 TON, 6X4, ON-OFF HIGHWAY 71,000 GVW

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL

MARCH 1993

TM-5-3805-254-34 - Page 692 of 727

TM 5-3805-254-34

17-3.

HYDRAULIC PUMP CONTROL VALVE MAINTENANCE (Con’t).

2.

Install valve (26) assembly and washer (27) to control valve housing (9) with retaining ring (28).

3.

Install diaphragm (29) to diaphragm holder (30).

4.

Press diaphragm holder (30 into control valve housing (9.

NOTE

Perform steps 5 through 8 to assemble valve assembly.

5.

Install ball (22), new preformed packing (21), spring plunger (20), and spring (19) into valve (8).

6.

Install plunger (18).

7.

Install new preformed packing (23), new nylon seal (24), and new preformed packing (25).

8.

Install two new copper washers (16), nut (17), and cap (15).

TA704242

17-15