Graco 312350K Marine Sanitation System User Manual


 
Service
12 312350K
8. Check o-rings (1a and 60a) on fittings (1 and 60)
and replace them if they are worn or damaged.
9. Remove capscrew (3), nut (36) and lockwashers
(37). Remove the reciprocator cap plate (30).
10. Gently tap on bottom cylinder cap (32) to loosen cyl-
inder cap from cylinder (25) using a rubber or plastic
mallet.
NOTE: It is not necessary to remove the tie rods (38)
from the bottom cylinder cap (32).
11. Remove seal (16) from bottom of cylinder cap (32).
Reassembly
Use Kit 247455. Use all new parts included in the kit.
1. Install seal (16) in bottom of cylinder cap (32) in the
orientation shown in F
IG. 13.
2. Reassemble cylinder cap (32) to motor housing
(43). Install lock washers (52) and cap screws (46)
(F
IG. 13). Torque the capscrews to 28-32 ft-lb (38 to
43 N.m).
NOTE: When attaching the motor housing (43) onto the
bottom cylinder cap (32), be sure that the port (43b) in
the motor housing and the port (32b) in the bottom cylin-
der cap are facing opposite directions as shown in F
IG.
14.
FIG. 11
FIG. 12
60a
1a
60
1
30
3
39
2
36
37
FIG. 13
FIG. 14
16
32
32b
32
43b
43