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Reciprocator Repair
312350K 19
Reassembly
1. Clean all the parts in a compatible solvent and
inspect them for wear or damage. Use all parts in
the repair kit, replace other parts as necessary.
2. Generously lubricate all parts with light, water-resis-
tant grease.
3. Install upper ball (106), retaining washer (103) and
seal (104), with lips facing up, in extension rod
(107). Screw piston (102) into extension rod (107).
Torque the piston to the extension rod to 25-30 ft-lb
(34-41 N.m).
4. Install lower ball (106) into end of shovel rod (108).
Screw the shovel rod (108) to piston (102). torque
the shovel rod to the piston to 25-30 ft-lb (34-41
N.m).
5. Install bearing (111) and seal (112) with lips facing
up, in pump cylinder (109). Screw retainer seal
(113) into pump cylinder (109).
6. Screw together pump cylinder (109) and extension
tube (114). Use a 7/8 inch crow foot wrench on
retainer seal (113). torque to 45-55 ft-lb (61-75 N.m)
(F
IG. 27).
7. Use a wrench to screw together piston shovel (116)
and shovel rod (108). Torque to 115-125 in.-lb
(13-14 N.m).
Reassembling Displacement
Pump to Reciprocator
NOTE: If the last letter of the Series Code is A or B, omit
Step 2. See F
IG. 28 for sample Series Code label.
1. Clamp reciprocator in vise.
2. Replace nylon pellet (207) in threads on bottom of
pump adapter (8) (F
IG. 29).
3. Install new gasket (202) in pump adapter (8) (F
IG.
29).
FIG. 27
113
109
FIG. 28
FIG. 29
Series Code
207
8
202