Drive
Housing Replacement (Fig.
20)
FLUID
INJECTION
HAZARD
To
reduce the risk of serious injury,
follow the illustrated Pressure Rellef
Procedure warning on page
12
when-
A
CAUTION
1
the drive housing
(67).
The
gear cluster may stay en-
DO
NOT drop the gear cluster
(51)
when removing
gaged in the motor front end bell or the drive hous-
ing.
DO
NOT lose the thrust balls
(9)
located at each end
The balls, which are heavily covered with grease.
of the gear cluster
(51)
or drop them between gears.
usually stay in the shaft recesses, but could be dis-
the
balls
will seriously damage the drive housing.
If
lodged.
If
caught between gears and not removed,
the balls are not in place, the bearings will wear pre-
maturely.
NOTE:
Read the GENERAL REPAIR INFORMATION on
page
18
before doing this procedure,
1.
Relieve pressure.
2.
Remove the front cover
(49)
and the motor shield
(59).
Unclip the drain hose
(36)
from the pump.
3.
Remove the four bearing housing screws
(25)
and
lockwashers
(23).
4.
Lightly tap the lower rear of the bearing housing
(69)
with a plastic mallet to loosen
it
from the drive
housing
(67).
Pull the assembled bearing housing
and connecting rod straight
off
the drive housing.
5.
Remove the
two
drive housing screws
(26)
and
lockwashers
(20).
6.. Remove the
two
lower screws
(13)
and lockwash-
ers
(20)
and then the
two
upper screws
(16)
and
lockwashers
(20)
from the front of the motor
(73).
7.
Tap the driie housing
(67)
with a plastic mallet to
loosen it from the front of the motor
(73),
and then
pull the drive housing straight
off.
8.
Liberally apply bearing grease to the gear cluster
total ounces
of
grease. Grease
is
supplied with
(51).
The gear area should have approximately 4
the drive housing replacement kit. Be sure the
thrust balls
(9)
are in place.
9.
Place the bronze-colored washer (67b) THEN the
silver-colored washer (67a) on the shaft protrud-
ing from the big gear in the drive housing
(67).
10.
Align the gears and push the new drive housing
straight onto the front of the motor and locating
pins.
11.
Continue reassembling the sprayer.
308-560 25
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