Graco 312350K Marine Sanitation System User Manual


 
Reciprocator Repair
14 312350K
Reciprocator Repair
Clean and inspect all parts for wear or damage.
Replace worn parts as needed. For best results,
always replace all the o-rings and seals when you
disassemble the pump. Repair Kit 247455 is avail-
able. Parts included in the kit are marked with an
asterisk, for example (23*), in the text and drawings.
Always replace seals (23* and 24*) and seals (16*
and 44*) together.
Assembly tool 189305 is required for reassembling
the reciprocator.
•Loctite
®
242 thread sealant and Loctite
®
Primer T
or Perma-Loc
®
115 thread sealant and
Perma-Bond
®
Surface Conditioner I are required.
Be sure their shelf life is within the manufacturer’s
recommendations.
For Step 8, page 16; use Loctite
®
609 on yoke (9)
and rod (12). On all other threaded surfaces, use
Loctite
®
242 or Perma-Loc
®
115 as required.
Disassembly
1. Drain oil out of reciprocator.
2. Relieve pressure, page 5.
3. Disconnect reciprocator from displacement pump
(see Removing Displacement Pump from Recipro-
cator, page 9). Place reciprocator in a drain pan.
4. Remove four capscrews (15) and washers (27) from
bottom of pump adapter (8). Tap pump adapter to
loosen it and pull it off the motor housing (43) (F
IG.
6).
FIG. 17
15
27
8
43