Graco 310813D Repair Manual page 15

Installation
WARNING
If pin works loose, parts could break off and project
through the air and result in serious injury or property
damage. Make sure pin is properly installed.
CAUTION
• Replacement pump comes with an outlet fitting
installed. Replace installed fitting with fitting marked
"GMAX 3400".
• If the pump jam nut loosens during operation, the
threads of the bearing housing and drive train will
be damaged. Tighten jam nut as specified.
1. Fig. F . 17. Pull piston rod out. Screw in pump until holes
IG
in connecting rod and piston rod align.
F . 17
IG
2. F . 11. Push pin (8) into hole. Push retaining ring spring
IG
into groove all the way around connecting rod.
3. F . 18. Screw jam nut down onto pump until nut stops.
IG
Screw pump up into drive housing until top threads of pump
are flush with drive housing face (F
and jam nut to align pump outlet to side. Tighten jam nut by
hand, then tap 1/8 to 1/4 turn with a 20 oz (maximum)
hammer to approximately 75 ±5 ft-lb (102 N·m). Connect
hose (93).
310813D
ti5546a
. 19). Back off pump
IG
ti6111a
ti6110a
F . 18
IG
4. F . 19. Fill packing nut with Graco TSL until fluid flows
IG
onto the top of seal. Install pail hook (9).
ti5543a
1
Drive housing face
F . 19
IG
Displacement Pump
ti5544a
1
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