Replacing The Motor; Replacing The Motor Brushes; Replacing The Gears - Titan Performer 640i Manual Del Propietário

4. If you have any further questions concerning your Titan
Airless Sprayer, call titan:
Customer Service (U.S.) .......................1-800-526-5362
Fax ................................................1-800-528-4826
Customer Service (Canada) ..................1-800-565-8665
Fax ................................................ 1-905-856-8496
Customer Service (International)...........1-201-405-7520
Fax ................................................1-201-405-7449

Replacing the Motor

1. Unplug the unit.
2. Loosen and remove the four motor cover screws.
Remove the motor cover.
3. Disconnect the black and red wires coming from the pump
housing. Disconnect the black and red wires from the
capacitors. Disconnect the black and red wires from the
motor.
4. Remove the capacitors from their mounting clip.
5. Loosen and remove the four motor mounting screws.
6. Pull the motor out of the pump 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 connecting rod.
7. With the motor removed, inspect the gears in the pump
housing for damage or excessive wear. Replace the
gears, if necessary.
8. Install the new motor into the pump housing.
NOTE: Rotate the motor fan manually until the
armature gear engages with the mating gear in
the pump housing.
9. Secure the motor with the four motor mounting screws.
10. Push the capacitors into their clip on the new motor.
11. Reconnect the wires (refer to the electrical schematic in
the Parts List section of this manual).
12. Slide the motor cover over the motor. Secure the motor
cover with the four motor cover screws.
Pump Housing
Motor
Capacitors
Shroud
Shroud Screw
Motor Cover Screw
English
Motor Mounting Screw
Brush Cover
Motor Cover
8

Replacing the Motor Brushes

Perform this procedure using Motor Brush Kit P/N 704-276.
1. Loosen and remove the four motor cover screws.
Remove the motor cover.
2. Loosen and remove the two shroud screws. Remove the
shroud.
3. Using a small screwdriver, pry off the two plastic brush
covers.
4. Disconnect the black and red wires from the motor
brushes. Remove the motor brushes.
5. Install the new motor brushes and snap on the plastic
brush covers.
6. Reconnect the black and red wires from the motor
brushes (refer to the electrical schematic in the Parts List
section of this manual).
7. Position the shroud over the motor fan. Secure the
shroud with the two shroud screws.
8. Slide the motor cover over the motor. Secure the motor
cover with the four motor cover screws.

Replacing the Gears

1. Loosen and remove the four motor cover screws.
Remove the motor cover.
2. Disconnect the black and red wires coming from the pump
housing.
3. Loosen and remove the four motor mounting screws.
4. Pull the motor out of the pump 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 connecting rod.
5. 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.
6. Remove and inspect the 2nd stage gear for damage or
excessive wear. Replace if necessary.
7. Remove and inspect the gear and crank assembly for
damage or excessive wear. Replace if necessary.
8. Reassemble the pump by reversing the above steps.
During reassembly, make sure the thrust washers is in
place.
NOTE: Refill the gear box with five ounces of
Lubriplate (P/N 314-171).
Motor Cover Screw
Motor Cover
Motor
Armature Gear
Gear and Crank
Assembly
Pump Housing
Front Cover
Front Cover Screw
Motor Mounting
Screw
Thrust Washer
2nd Stage Gear
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