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13.
Use
a
plastic mallet to gently tap the displacement
pump
(19)
from
the
rear to loosen the drive housing
ing away from the front end bell.
(6)
from the front end bell. Then pull the drive hous-
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
with grease, usually stays in the gear recesses, but
between gears. The ball, which is heavily covered
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
two screws
(35)
and lockwashers
(34)
from the
underside
of
the motor mounting frame. Be
sure
to
support
the motor to keep the sprayer from
tlppmg.
15.
Lift the motor assembly
off
the frame.
16.
Place the new motor assembly on the frame and
align
-
with the frame mounting holes. Install the
screws
(351
and lockwashers
(34)
tightly.
17.
Liberally grease the gear cluster
(26)
and pinion
gear
(0)
and pack
all
bearings in the motor front
end bell. Check to be sure the thrust balls
(24)
are in
place.
18.
Be sure the bronze
-
colored bearing (81a1 and the
silver
-
colored bearing (81b) are properly placed on
the crank shaft
(81).
19.
Align the gears and push the drive housing
(6)
straight onto the front end bell and locating pins.
20.
Starting at Step
13
and working backwards, con-
tinue to reassemble the sprayer.
NOTE:
Use
a
turning motion on the conduit when
feeding wires through
it.
20.
Reinstall the motor shield and pressure control
cover.
Fig
32