© Titan Tool Inc. All rights reserved.
9
16. Reconnect the wires (refer to the electrical schematic in
the Parts List section of this manual).
17. Slide the motor cover over the motor. Secure the motor
cover with the four motor cover screws.
Motor
Cover
Screw
Heat Sink
Assembly Screw
Heat Sink
Assembly
Fan
Shroud
Screw
Fan
Shroud
Brush
Cover
Relay
Relay Mounting
Screw
Motor
Motor
Mounting
Screw
Gear Box
Housing
Capacitors
Motor Cover
BLACK
BLACK
RED
BLACK
RED
RED
Replacing the Motor Brushes
Perform this procedure using Motor Brush Kit P/N 0508645.
1. Perform the Pressure Relief Procedure and unplug the
sprayer.
2. Loosen and remove the four motor cover screws.
Remove the motor cover.
3. Loosen and remove the two fan shroud screws. Remove
the fan shroud.
4. Using a small screwdriver, pry off the two plastic brush
covers.
5. Disconnect the black and red wires from the motor
brushes. Remove the motor brushes.
6. Install the new motor brushes and snap on the plastic
brush covers.
7. Reconnect the black and red wires from the motor brushes
(refer to the electrical schematic in the Parts List section of
this manual).
8. Position the fan shroud over the motor fan. Secure the
fan shroud with the two fan shroud screws.
9. Slide the motor cover over the motor. Secure the motor
cover with the four motor cover screws.
Replacing the Gears
1. Perform the Pressure Relief Procedure and unplug the
sprayer.
2. Loosen and remove the four motor cover screws.
Remove the motor cover.
3. Disconnect the black and red wires coming from the gear
box housing.
4. Loosen and remove the four motor mounting screws.
5. Pull the motor out of the gear box housing.
NOTE: If the motor will not dislodge from the pump
housing:
• Remove the front cover plate.
• Using a rubber mallet, carefully tap on the front
of the motor crankshaft that extends through
the slider assembly.
6. Inspect the armature gear on the end of the motor for
damage or excessive wear. If this gear is completely worn
out, replace the entire motor.
7. Remove and inspect the 2nd stage gear for damage or
excessive wear. Replace if necessary.
8. Remove and inspect the crankshaft/gear assembly for
damage or excessive wear. Replace if necessary.
9. Reassemble the pump by reversing the above steps.
During reassembly, make sure the thrust washers is in
place.
NOTE: Refill the gear box in the pump housing with five
ounces of Lubriplate GR132 (P/N 0293396).
Front Cover
Gear Box Housing
Front Cover Screw
2nd Stage Gear
Thrust Washer
Motor Mounting
Screw
Crankshaft/Gear
Assembly
Armature Gear
Motor
Motor Cover
Motor Cover Screw
