(y
CJ
Gear
Repair
I
Service
WARNING: Before proceeding, follow the Pressure
Relief Procedure outlined on page
5.
Additionally,
follow all
other warnings to reduce the risk
of
an
injection injury, injury from moving parts
or
electric
shock. Always unplug the sprayer before servicing!
1. Remove Cover Plate (#57).
2. Loosen retaining nut on Hose Assembly
(#11
0) located
on page 24.
3. Remove four screws (#113) and
pull off Slider and
Housing and Fluid Section. (See Page 24).
4. Remove seven screws (#58).
5. Remove Crankshaft Housing (#58) by
lightly tapping on
each corner with a plastic
mallet.
6. Remove Output Pinion Gear (#56).
7. Remove
Interior Pinion Gear (#62).
8. Examine washers (#63) and Bearings (#64).
9. Before reassembling check the
following:
a. If installing new Gears make sure that ample grease
is applied to Gears and Bearings.
b. Check that the Thrust
Balls are
in
place. Because of
the amount
of
grease used in the Bearings where
the Thrust
Balls are located, they will generally stay
in place.
DO
NOT
ATTEMPT
TO
REMOVE.
c. Check that the Thrust Bearing Assembly (#63
&
#64) is in place.
d. Check that the Thrust Bearings (#60) Bronze and
(#61)
Steel are in place.
On/Off
Switch
Replacement
WARNING: Before proceeding, follow the Pressure
Relief Procedure outlined on page
5.
Additionally,
follow all
other warnings to reduce the risk
of
an
injection injury, injury from moving parts
or
electric
shock. Always unplug the sprayer before servicing!
1. Remove Switch Cover Plate and screws (#36 & #37).
Remove
Insulator Plate (#38).
2. Disconnect the two black wires from the
On/Off Switch
(#45).
3.
Remove the rubber boot and plate (#47 & #46) with a
wrench.
4. Remove the
On/Off Switch (#45).
5.
Install a new Switch and reattach plate and rubber boot.
Tighten securely.
6. Reconnect the two black wires to the new
On/Off
Switch.
7.
Reinstall Switch Cover Plate and screws, with warning
label facing out.
NOTE: For 230V units see page 19.
21
Power
Supply
Cord
Replacement
WARNING:
Before proceeding, follow
the
Pressure
Relief Procedure outlined
on
page
5.
Additionally,
follow all
other warnings to reduce the
risk
of
an
injection injury, injury from moving parts
or
electric
shock. Always unplug the sprayer before
servicing!
1. Remove Switch Cover Plate and screws
(#36
& #37).
Remove Insulator Plate (#38}
2. Disconnect the
Power Supply Cord (#30)
from;
a)
the
On/Off Switch (#45,
b)
the white wire
connected
to
the
motor and,
c)
the green wire connected
to
the
grounding
screw (#36). Refer to the Electrical Schematic, Figure
7.
3. Loosen the cord grip housing (#31)
and
remove
the
power cord.
4.
Install the new cord
in
reverse order
of
disassembly.
5.
Install the cover and screws with warning
label
facing
out.
Replacement
of
Motor
Starter
WARNING: Before proceeding, follow the Pressure
Relief Procedure outlined on page
5.
Additionally,
follow all
other warnings to reduce the
risk
of
an
injection injury, injury from moving parts
or
electric
shock. Always unplug the sprayer before servicing!
1. Remove Switch
Cover
Plate
and
screws
(#36
& #37).
2. Disconnect wires,
a)
both white/red wires
from
the
pressure switch, b) the black wire from
the
motor
and,
c) the black wire from the On/Off Switch.
3. Remove screws (#54) and washer and nuts
(#40
#41}.
4. Replace Motor Starter and re-secure with screws,
washer and nuts
(#40, #41 and #54). Always
use
heat
sink material on
the
back of the Motor Starter
when
installing.
5. Reconnect wires according to Figure 7.
6.
Reinstall switch cover and screws, with warning label
facing out.
NOTE: For 230V units see page 19.
Motor
Brush
Replacement
WARNING:
Before proceeding, follow the Pressure
Relief Procedure outlined on page
5.
Additionally,
follow all
other warnings to reduce the risk
of
an
injection injury, injury from moving parts
or
electric
shock. Always unplug the sprayer before servicing!
1. Remove Brush Plate (#67).
2. Remover Brush
Insulator (#51).
3. Remove Brush Spring (#52).
NOTE:
To
remove brush
spring, push spring down and in
for
it to release.
4.
Back-off screw. Hold Brush Wire and remove Brush.
5.
Inspect Motor Brush. If damaged replace.
6. Repeat procedure
for
other brush.
7. To
install Motor Brushes, reverse steps 1 through
6,
NOTE: Never operate this unit without Brush Insulator and
Brush Plate installed.
