HP GMAX 5900 사용자 설명서

1.

Relieve pressure; page 5.

2.

. 1. Remove four screws (45) and front cover (44)

3.

Remove pump. Refer to Displacement Pump, Removal, 
page 14.

4.

Remove four screws (41) and washers (42) from bearing 
housing (40).

5.

Pull connecting rod (43) and lightly tap lower rear of 
bearing housing with plastic mallet to loosen from drive 
housing (33). Pull bearing housing and connecting rod 
assembly off drive housing.

6.

Inspect crank (B) and connecting rod (43) for excessive 
wear and replace parts as needed.

1.

Evenly lubricate inside of bronze bearing (C) in bearing 
housing (40) with high-quality motor oil. Liberally pack top 
roller bearing (E), lower bearing (D) inside connecting rod 
(43) with bearing grease.

2.

Assemble connecting rod (43) to bearing housing (40). 
Rotate connecting rod to lowest position.

3.

Clean mating surfaces of bearing and drive housings.

4.

Align connecting rod with crank (B) and carefully align 
locating pins in drive housing (33) with holes in bearing 
housing (40). Push bearing housing onto drive housing or 
tap into place with plastic mallet.

5.

Install screws (41) and washers (42) in bearing housing. 
Torque evenly to note 3 value in Fig. 1.

6.

Install pump. Refer to Displacement Pump, Installation, 
page 14.

Read Skin Injection Hazard, page 3; Burn Hazard, page 4

DO NOT use bearing housing screws (41) to align or 
seat bearing housing with drive housing. Align these 
parts with locating pins, to avoid premature bearing 
wear.

3

2

1

Oil

Pack with bearing grease 114819

Torque to 25 ft-lb (34 N.m)

F

B

38

E

D

43

1

2

3

C

2

44

45

41

42

40

A

88

33

87

68

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