© Titan Tool Inc. All rights reserved. 9
Replacing the Motor Assembly (with Electronic
Control)
Electrostatic discharge (ESD) potential could cause
damage to electronic control. Use ESD wrist strap
when working on electronic control with electronic
cover removed.
1. Perform the Pressure Relief Procedure and unplug the sprayer.
2. Turn the pressure control knob to the “MIN PSI” position to
make sure the power supply has discharged.
3. Loosen and remove the four motor shroud screws. Remove
the motor shroud.
4. Release the tie wrap on the top of the bae assembly and slip
the bae assembly down o of the motor.
5. Loosen and remove the three electronic cover screws. Lift the
electronic cover o of the electronic control assembly on the
motor.
6. At the electronic control assembly:
a. Disconnect the white wire coming from the power cord and
the white wire coming from the relay.
b. Disconnect the three wires coming from the potentiometer.
7. Loosen and remove the three motor mounting screws.
8. Pull the motor out of the gearbox housing.
9. With the motor removed, inspect the gears in the gearbox
housing for damage or excessive wear. Replace the gears, if
necessary.
10. Install the new motor into the gearbox housing. Make sure
the housing gasket is positioned properly.
11. Secure the motor with the three motor mounting screws.
12. Reconnect the wires to the electronic control assembly (refer
to the electrical schematic in the Parts List section of this
manual).
13. Position the electronic cover over the electronic control
assembly. Secure the electronic cover with the three
electronic cover screws.
IMPORTANT: Use only Titan electronic cover screws to secure the
electronic cover (see Drive Assembly parts list). Use of any other
screws may damage the electronic control assembly.
14. Slip the bae assembly up and around the motor. Secure the
bae assembly with the tie wrap.
15. Slide the motor shroud over the motor.
16. Secure the motor shroud with the four motor shroud screws.
Electronic Cover
Motor Shroud
Motor
Bae Assembly
Electronic Control
Assembly
Motor Mounting
Screw
tronic Cover
Screw
Gearbox
Housing
Replacing the Gears
1. Perform the Pressure Relief Procedure and unplug the unit.
2. Turn the pressure control knob to the “MIN PSI” position to
make sure the power supply has discharged.
3. Loosen and remove the four motor shroud screws. Remove
the motor shroud.
4. Release the tie wrap on the top of the bae assembly and slip
the bae assembly down o of the motor.
5. Loosen and remove the three electronic cover screws. Lift the
electronic cover o of the electronic control assembly on the
motor.
6. At the electronic control assembly:
a. Disconnect the white wire coming from the power cord and
the white wire coming from the relay.
b. Disconnect the three wires coming from the potentiometer.
7. Loosen and remove the three motor mounting screws.
8. Pull the motor out of the gearbox housing.
9. Inspect the armature gear on the end of the motor for
damage or excessive wear. If this gear is completely worn out,
replace the motor.
10. Remove and inspect the 1st stage gear and 2nd stage
gear assemblies for damage or excessive wear. Replace, if
necessary.
11. Remove and inspect the front gear box assembly for damage
or excessive wear. If damaged or worn, replace the front gear
box assembly.
NOTE: Clean and rell the gear box cavity up to the rear face
of each gear with grease (P/N 9870304).
12. Install the motor into the gearbox housing. Make sure the
housing gasket is positioned properly.
13. Secure the motor with the three motor mounting screws.
14. Reconnect the wires to the electronic control assembly (refer
to the electrical schematic in the Parts List section of this
manual).
15. Position the electronic cover over the electronic control
assembly. Secure the electronic cover with the three
electronic cover screws.
16. Slip the bae assembly up and around the motor. Secure the
bae assembly with the tie wrap.
17. Slide the motor shroud over the motor.
18. Secure the motor shroud with the four motor shroud screws.
Assembly
Armature Gear
1st Stage Gear
2nd Stage Gear
ont Gear Box
Assembly
Housing
Gasket
