Reconnect The Displacement Pump - Graco Merkur W10CAS Assembly

Repair
Reconnect the Displacement
Pump
1. Tilt the air motor onto its back, then hand turn the
displacement pump into the adapter plate. Set the
pump upright again.
2. Hold the air motor piston rod up with one hand. With
your other hand, put the coupling nut (9) on the dis-
placement rod.
3. Put the coupling
collars (10) into
the coupling nut
(9) so large
flanges point
upward.
4. Gently let the air
motor piston rod
drop onto the dis-
placement rod.
Hand tighten the
coupling nut (9).
5. Screw the displacement pump into the adapter plate
(3) until the cylinder top is flush with the top of the
adapter plate.
F . 6. Align cylinder and adapter plate.
IG
16
10
9
ti12817a
Cylinder, not
wet cup, should
be flush with
plate.
ti12814a
6. Align fluid outlet as shown and tighten the jam nut.
7. Align the TSL reservoir (7) and push it down into
place.
8. Hold the flats of the motor rod with a wrench. Use
another wrench to tighten the coupling nut (9).
Torque according to the following table.
Displacement Pump
LW025A
LW050A–LW150A
Torque
23-26 ft-lb (31-35 N•m)
75-80 ft-lb (102-108 N•m)
312794F