Cam Follower Bearings

Removal

1. Relieve pressure; page 4.

2.Fig. 16. Cycle pump piston rod (222) to lowest position. Turn engine off.

3.Fig. 4. Remove six cap screws (10), lock washers

(9) and cover assembly (24).

Note: A screw driver may be needed to pry off cover assembly.

4.Remove four dowel pins (97) and rollers (98).

5.From front, drive out pump pin (101) with a screw driver.

6.Remove two retainer rings (20d).

7.Remove cam follower plate (20b).

Note: Two 1/2 in. x 13 bolts may be needed to remove cam follower plates.

8. Remove two cam follower bearings (20c).

20

20c

20b

20d

101

Fig. 4

Installation

1.Install two cam follower bearings (20c).

2.Install cam follower plate (20b).

3.Install two retainer rings (20d).

4.Drive in pump pin (101) until it engages with pump pin retaining clip (20a).

5.Install four rollers (98) and dowel pins (97).

6.Install cover assembly (24) with six lock washers

(9) and cap screws (10).

98

97

9

10

20a

9047A

24

8308870

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Image 8
Graco Inc 308870 dimensions Cam Follower Bearings