Repair

Reassembly

Note: For steps 1-4 refer to Fig. 9.

1.Stack male gland (7) on piston rod (5).

2.Alternately stack blue UHMWPE (8) and brown UHMWPH (9) (288466, 288467, 2884680) or leather (288819) packings on piston rod.

Note orientation.

3.Install female gland (10).

4.Install backup washer (13) and piston wiper (12) on piston valve (6). Note orientation.

The special sealing patch on piston valve threads is good for 4 repackings. Use Loctite® on piston valve threads after 4 repackings.

6

5

13

12

9

8 10

7

ti8854a

FIG. 9

5.(Fig 10) Install ball (11) in piston rod (5). If Loctite® is applied to piston valve threads, ensure that none gets on ball.

11

5

ti8855a

FIG. 10

6.(Fig. 11) Install piston valve (6) to piston rod (5). Torque to 55 +/- 3 ft-lb (74.57 +/- 4 N• m).

6

5

ti8856a

FIG. 11

6

311845C

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Hitachi 288466 important safety instructions Reassembly