Graco 312068M Marine Sanitation System User Manual


 
Repair
312068M 11
7. Repeat the steps above to assemble the second rod
bushing/port block assembly.
Assemble Hydraulic Piston and Insert in Cylinder
8. Place wear ring (108) in the center channel of
hydraulic piston (104).
9. With the lip facing away from the center channel,
place one u-cup seal (106) in each of the remaining
two channels of the hydraulic piston.
10. Place one back-up ring (107) in the same channel
as each of the u-cup seals on the side facing the
center channel.
Insert Piston into Cylinder
11. Slide the hydraulic piston into the cylinder (102). If
necessary, rest the cylinder on a vise or similar sur-
face while pushing the piston into it.
Assembling Items onto Piston Shaft
12. With the rod bushing (103) facing away from the cyl-
inder (102), slide the port block and rod bushing
assembly over the rod tool and onto the shaft.
13. Repeat with the other port block on the opposite end
of the hydraulic piston shaft.
Attaching Retainer Plates and First Four Spacers
14. Place the assembly on a flat surface with the port
hole on the two port blocks facing the same direc-
tion.
15. Slide one retainer plate over the end of each port
block.
16. Insert one tie rod into each of the four holes in the
port blocks and retainer plates. Keep an equal
amount of threads showing through the retainer
plate on each side.
17. Rotate the assembly so that the port holes are now
facing in towards your body and place the assembly
on a flat surface.
106
107
108
107
106
104
TI11277a
102
1
Apply lithium grease to the inside of
each end of the cylinder.
1
TI11279a
A
103
102
TI11280a
1
Make sure the port
holes are facing in towards your
1
TI11281a