Replacing the Motor Assembly
1. Unplug the unit.
2. Loosen and remove the two (2) motor shroud screws. Remove
the motor shroud.
3. Loosen and remove the three (3) belly pan screws. Remove
the belly pan.
4. Loosen and remove the two (2) motor cover screws. Remove
the motor cover.
5. Disconnect all wires between the motor and the sprayer.
6. Loosen and remove the two (2) motor controller screws.
Remove the motor controller.
7. Loosen and remove the four (4) motor baffle screws. Remove
the motor baffle.
8. Loosen and remove the three (3) motor mounting screws.
9. Pull the motor out of the gearbox housing.
10. With the motor removed, inspect the gears in the gearbox
housing for damage or excessive wear. Replace the gears, if
necessary.
11. Install the new motor into the gearbox housing.
12. Secure the motor with the three (3) motor mounting screws.
13. Reconnect the wires between the sprayer and the new motor.
(refer to the electrical schematic in the Parts List section of this
manual).
14. Place the baffle over the end of the motor assembly. Secure
with the four (4) motor baffle screws.
15. Place motor controller back into place behind the motor
baffle. Secure with the two (2) motor controller screws.
16. Reconnect all wires between the motor and sprayer.
17. Place the motor cover back over the motor controller. Secure
with the two (2) motor cover screws.
18. Put the belly pan back in place and secure with the three (3)
belly pan screws.
19. Slide the motor shroud over the motor assembly.
20. Secure the motor shroud with the two (2) motor shroud
screws.
Gearbox
housing
Motor
Ba e
Belly Pan
Screw
Motor
Motor Ba e
Shroud
Belly Pan
Screw
Motor Controller
Motor Controller Screw
Motor Cover Screw
English
Motor Shroud
Motor Mounting
Screw
Motor
Screw
Motor Cover
Replacing the Gears
1. Follow steps 1-9 in Replacing the Motor Assembly to
remove the motor.
2. Inspect the armature gear on the end of the motor for
damage or excessive wear. If the gear is completely worn out,
replace the motor assembly.
3. Remove and inspect the 1st stage gear and 2nd stage
gear assemblies for damage or excessive wear. Replace, if
necessary.
4. 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).
5. Reinstall the motor into the gearbox housing.
6. Follow steps 11-20 in Replacing the Motor Assembly to
replace the motor.
Armature Gear
2nd Stage Gear
3rd Stage Pinion
Replacing the Transducer
1. Unplug the unit.
2. Loosen and remove the
two (2) filter assembly bolts.
Slide the filter assembly from
the cart.
3. Loosen and remove the two
(2) motor shroud screws.
Remove the motor shroud.
4. Loosen and remove the
two (2) motor cover screws.
Remove the motor cover.
5. Disconnect the transducer
wire from the motor
controller.
6. Pull the grommet out of the
mounting plate and slide it up the shaft of the transducer until
it is clear of the mounting plate.
7. Using a wrench, loosen and remove the transducer from
the filter housing. Carefully thread the transducer wire out
through the mounting plate.
10
1st Stage Gear
2nd Stage Pinion
Belly Pan Screw
Belly Pan
Front Gear
Box Assembly
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