10
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Replacing the motor Assembly
1. Perform the Pressure Relief Procedure and unplug the sprayer.
2. Loosen and remove the four motor shroud screws. Remove
the motor shroud.
3. Release the tie wrap on the top of the baffle assembly and slip
the baffle assembly down off of the motor.
4. Loosen and remove the three electronic cover screws. Lift the
electronic cover off of the electronic control assembly on the
motor.
5. Disconnect all wires between the motor and the sprayer.
6. Loosen and remove the three motor mounting screws.
7. Pull the motor out of the gearbox housing.
8. With the motor removed, inspect the gears in the gearbox
housing for damage or excessive wear. Replace the gears, if
necessary.
9. Install the new motor into the gearbox housing. Make sure
the housing gasket is positioned properly.
10. Secure the motor with the three motor mounting screws.
11. Reconnect the wires between the sprayer and the new motor.
(refer to the electrical schematic in the Parts List section of this
manual).
12. Position the electronic cover over the electronic control
assembly. Secure the electronic cover with the three
electronic cover screws.
13. Slip the baffle assembly up and around the motor. Secure the
baffle assembly with the tie wrap.
14. Slide the motor shroud over the motor. Make sure the shroud
gasket is positioned properly.
15. Secure the motor shroud with the four motor shroud screws.
Electronic Cover
Motor Shroud
Motor Shroud Screws
Motor
Baffle Assembly
Housing Gasket
Shroud Gasket
Electronic Control
Assembly
Motor Mounting
Screw
Electronic Cover
Screw
Gearbox
Housing
Replacing the Gears
1. Perform the Pressure Relief Procedure and unplug the sprayer.
2. Loosen and remove the four motor shroud screws. Remove
the motor shroud.
3. Release the tie wrap on the top of the baffle assembly and slip
the baffle assembly down off of the motor.
4. Loosen and remove the three electronic cover screws. Lift the
electronic cover off of the electronic control assembly on the
motor.
5. Disconnect all wires between the motor and the sprayer.
6. Loosen and remove the three motor mounting screws.
7. Pull the motor out of the gearbox housing.
8. Inspect the armature gear on the end of the motor for
damage or excessive wear. If this gear is completely worn out,
replace the front end bell assembly.
9. Remove and inspect the 1st stage gear and 2nd stage
gear assemblies for damage or excessive wear. Replace, if
necessary.
10. 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 refill the gear box cavity up to the rear
face of each gear with Lubriplate (P/N 314-171).
11. Install the motor into the gearbox housing. Make sure the
housing gasket is positioned properly.
12. Secure the motor with the three motor mounting screws.
13. Reconnect the wires between the sprayer and the motor.
(refer to the electrical schematic in the Parts List section of this
manual).
14. Position the electronic cover over the electronic control
assembly. Secure the electronic cover with the three
electronic cover screws.
15. Slip the baffle assembly up and around the motor. Secure the
baffle assembly with the tie wrap.
16. Slide the motor shroud over the motor. Make sure the shroud
gasket is positioned properly.
17. Secure the motor shroud with the four motor shroud screws.
Front End Bell
Assembly
Armature Gear
1st Stage Gear
2nd Stage Gear
Front Gear Box
Assembly
Housing
Gasket
Shroud
Gasket
