Graco LineLazer 3400 Repair Manual page 15

Installation
If pin works loose, parts could break off due to force of
pumping action. Parts could project through the air
and result in serious injury or property damage. Make
sure pin and retaining spring are properly installed.
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 . 18. Pull piston rod out distance shown. Screw in
IG
pump until holes in connecting rod and piston rod align.
F . 18
IG
2. F . 12. Push pin (31) into hole. Push retaining ring spring
IG
into groove all the way around connecting rod.
3. F . 19. 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
pump 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 (118) suction hose (57).
311019L
NOTICE
NOTICE
ti5546a
ti5546b
. 20). Back off
IG
ti6111a
ti6110a
F . 19
IG
4. F . 20. Fill packing nut with Graco TSL until fluid flows
IG
onto the top of seal. Install pump rod cover (107).
ti5543a
Drive housing face
1
F . 20
IG
Displacement Pump
ti5544a
1
15