Graco 312350K Marine Sanitation System User Manual


 
Reciprocator Repair
312350K 15
5. Place bottom cap (32) in vise. Remove four cap-
screws (46) and lockwashers (52).
6. Pull adapter (43) off bottom cap (32). Inspect seals.
If needed, replace seals. See Replacing Throat Seal
Disassembly instructions on page 10.
7. Remove capscrew (3), nuts (36) and lockwashers
(37) on top of reciprocator.
8. Remove cap plate (30) (F
IG. 19).
9. Use a rubber or plastic head mallet to tap the bot-
tom of the displacement rod (35) and loosen cylin-
der (25).
10. Grasp top of cylinder cap (31) and pull the displace-
ment rod (35) out of the cylinder (25). Lay assembly
on its side.
NOTE: It is not necessary to remove tie rods (38) from
the bottom cylinder cap (32).
11. Place a clean rag around yoke (9) to prevent losing
detent balls (7) and spring (6) installed in the valve
stop (26). Lightly push down the valve stop with
your thumbs while gripping yoke to disengage yoke
from valve stop and valve sleeve (29).
FIG. 18
FIG. 19
43
46
52
3
36
37
30
FIG. 20
26
9
29
rag