Graco ULTRA AIRLESS 230-963 Instructions And Parts List page 31

13. Use a plastic mallet to gently tap the displacement
(19) from the rear to loosen the drive housing
pump
(6) from the front end bell. Then pull the drive hous-
ing away from the front end bell.
CAUTION
DO NOT allow the gear cluster (26) to fall when
removing the drive housing (6). It is easily damag-
ed if dropped. The cluster may stay engaged in
either the front end bell or the drive housing.
DO NOT lose the thrust balls (24) located at each
end of the gear cluster (261 or allow them to fall
between gears. The ball, which is heavily covered
with grease, usually stays in the gear recesses, but
could be dislodged. If caught between gears and
not removed, the balls will seriously damage the
drive housing. If the balls are not in place, the
bearings will wear prematurely.
14. Use a 6 mm (114") hex key wrench to remove the
and lockwashers (34) from the
(35)
two screws
underside of the motor mounting frame. Be sure to
the motor to keep the sprayer from
support
32
Fig
15. Lift the motor assembly off the frame.
16. Place the new motor assembly on the frame and
17. Liberally grease the gear cluster (26) and pinion
~
18. Be sure the bronze-colored bearing (81a1 and the
19. Align the gears and push the drive housing (6)
20.
NOTE:
20.
tlppmg.
align-with the frame mounting holes. Install the
screws (351 and lockwashers (34) tightly.
(0)
all
gear and pack bearings in the motor front
end bell. Check to be sure the thrust balls (24) are in
place.
silver-colored bearing (81b) are properly placed on
the crank shaft (81).
straight onto the front end bell and locating pins.
13
Starting at Step and working backwards, con-
tinue to reassemble the sprayer.
Use a turning motion on the conduit when
feeding wires through it.
Reinstall the motor shield and pressure control
cover.