Graco 1030 dimensions Bearing Housing & Connecting Rod, Removal, Installation

Bearing Housing & Connecting Rod

Removal

WARNING

To reduce risk of injury due to sprayer starting unexpectedly, shut off engine before performing checks or service.

1.	Fig. 8. Perform steps 1--8 of Displacement Pump,
	Removal, page 10.
2.	Remove four screws (40) and front cover (21).

4.Align connecting rod with crank (A) and carefully align locating pins (D) in drive housing (20) with holes in bearing housing (23). Push bearing hous- ing onto drive housing or tap it into place with a plastic mallet.

5.Install four screws (48) and lockwashers (49) on bearing housing (23). Torque screws evenly to 25 ft-lb (34 N.m).

6.Do steps 2 -- 5 of Displacement Pump, Installa- tion, page 10.

3.	Remove four screws (48) and lockwashers (49)
	from bearing housing (23).
4.	Pull connecting rod assembly (22) and lightly tap
	lower rear of bearing housing (23) with a plastic
	mallet to loosen it from drive housing (20). Pull
	bearing housing and connecting rod assembly off
	drive housing.
5.	Inspect crank (A) for excessive wear and replace
	drive housing, if necessary, page 15.

1 B

1 C

23 22

3 48,49

40

21

A 20

D

Installation

1.Evenly lubricate inside of bronze bearing (E) in bearing housing (23) with high-quality motor oil. Liberally pack top roller bearing (B), lower bearing

(C) inside connecting rod assembly (22) with bearing grease.

2.Assemble connecting rod (22) and bearing housing (23).

3.Clean mating surfaces of bearing housing (23) and drive housing (20).

CAUTION

Do not use bearing housing screws (48) to align or seat bearing housing with drive housing. Align these parts with locating pins (D), to avoid premature bearing wear.

E	2
4

85b

1	Liberally pack with	86
	bearing grease	1f

	(20d), supplied
2	Lubricate with
	high quality
	motor oil
3	Torque to
	25 ft--lb (34 N.m)
	TI3021A
4	See page 10 to
	remove pump

Fig. 8

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