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Hydraulic motor – Hitachi HYDRAMAX 309379 User Manual

Page 13

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13

309379

Hydraulic Motor

Removal

1.

Relieve pressure; page 4.

2.

Fig. 7. Remove four cap screws (33), washers
(128) and cylinder cap (34).

3.

Remove o-ring (44) from cylinder sleeve (36).

4.

Remove screw (141) and cover (106).

5.

Disconnect magnetic sensor (47).

6.

Remove cylinder sleeve (36).

7.

Remove hydraulic cylinder (37) and o-ring (44).

Installation

1.

Install o-ring (44) and hydraulic cylinder (37),

2.

Install cylinder sleeve (36).

3.

Connect magnetic sensor (47).

4.

Install cover (106) with screw (141).

5.

Install cylinder sleeve (36) and o-ring (44).

6.

Install cylinder cap (34) with four washers (128)
and cap screws (33). Torque capscrews (33) in an
alternating 1, 2, 3, 4 sequence at a torque of
55 +/–5 ft-lb.

Green

Red

Sleeve

Fig. 7

44

44

34

37

33

128

32

141

106

36

47

1

2

3

4

F

1

Install sensors with green
sensor at top of sleeve.

1

2

Work seal (59) into groove.
Install wiper (43) from bottom
of manifold.

2

59

43

Top

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