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309902
Motor Brush Replacement
Motor Brush Installation
CAUTION
When installing brushes, follow all steps carefully to
avoid damaging parts.
1. Fig. 5. Install new brush (G) with lead into long
slot (K) of brush holder (C).
2. Fig. 5. Slide brush lead (E) under washer of termi-
nal screw (D) and tighten screw. Be sure motor
lead (F) is connected at terminal screw.
3. Fig. 5. Place spring (H) on brush (G). Install spring
clip (J). Push down to hook slots (L) in brush
holder (C).
4. Repeat for other side.
5. Test brushes.
a
.
Remove pump connecting rod pin (112); refer
to
Removal
, step 5, page 25.
b
.
With sprayer OFF, turn pressure control knob
fully counterclockwise to minimum pressure.
Plug in sprayer.
c
.
Turn sprayer ON. Slowly increase pressure
until motor is at full speed.
6. Fig. 3. Install gaskets and inspection covers (A) on
each side of motor.
CAUTION
To avoid damaging pump packing, do not run sprayer
dry for more than 30 seconds while checking
brushes.
7. Break in brushes.
a
.
Operate sprayer 1 hour with no load.
b
.
Install pump connecting rod pin (112), refer to
Installation
, step 2, page 25.
8. Install motor shield (1).
Fig. 5
C
1
1
Note spring coil direction
E
K
L
G
J
H
D
1227
F