Graco 312068M important safety instructions Assemble Rod Bushing to Port Block

Repair

17.Remove the right port block and rod bushing assembly.

18.Remove the rod bushings (103) from the port blocks (116).

19.Using the o-ring pick, remove all rings and seals.

If the right clevis breaks loose from the hydraulic piston shaft:

6.Remove the right clevis.

7.Remove the activator plate (119) and modified bushing (118).

8.Remove the right retainer plate (101).

9.Remove the tie rods (115).

10.Remove the right rod bushing and port block assembly.

11.Slide the piston and everything attached to it out the left side of the cylinder by holding the assembly by the cylinder and pushing the right end of the piston shaft against a flat surface.

12.Using a c-clamp, secure the port block (116) of the remaining assembly.

13.Break the baffle jam nut (122) loose from the hydraulic piston shaft.

14.Keeping the piston shaft from rotating using a 1/2 in. wrench on the piston shaft flats and using a 1 in. impact wrench on the left clevis, break loose and remove the left clevis.

15.Remove the left retainer plate (101).

16.Remove the left port block and rod bushing assem- bly.

17.Remove the rod bushings (103) from the port block (116).

18.Using the o-ring pick, remove all rings and seals.

Reassembly

Tools Required

•Torque wrench set to 15 ft-lb (20 N•m) with 1 in. open-end attachment and

1/2 in. socket attachment

•1 in. open-end wrench

•1/2 in. open-end wrench

Assemble Rod Bushing to Port Block

1.Insert black o-ring (109) into the outside groove of rod bushing (103).

2.With the wide end of the rod bushing facing down, insert white back-up ring (110) above o-ring (109) in the same groove.

3.With the lip facing out, push one rod wiper (111) into the small end and one shaft seal (112) into the big end of the rod bushing.

103

111

110 TI11275a

109

112

4.Place port block (116) on a flat surface with the large opening facing up.

5.Using your hands, push the wide end of the rod bushing into port block (116).

6.On the side opposite the rod bushing, place o-ring (105) around the extruding circle.

105 1

116

TI11276a

1 Apply lithium

10 312068M