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MOTOR AND HUB REPLACEMENT
1. Disconnect the two hydraulic hoses at both motors. IMPORTANT: Tape over the
ends of the hydraulic hoses and the hydraulic motor ports to prevent
contamination of the hydraulic system.
2. Remove the four bolts holding the hood in place. Lift the hood off the brush and
set aside.
3. Remove the two carriage bolts in the motor housing at both ends of the brush
head assembly.
4. Slide the brush assembly out of the brush head frame.
5. Remove the end ring from the end with the bad motor.
6. Remove the first few sections to expose the motor and hub inside the core.
7. To remove the motor from the core, remove the hairpin and then the nut on the
end of the motor shaft which holds teh motor to the hub. Pull motor out of the core
and make sure the key does not drop out of the shaft.
8. If the motor must be replaced, remove the motor from the housing and place the
new one in position.
9. If the hub must be replaced, remove the four bolts which hold it to the core plate
and replace it with the new hub.
10. With the new hub and / or motor in place. Slide the motor into the housing,
throught the core and into the hub. Replace the motor shaft nut and tighten.
Secure with hairpin.
11. Replace the sections in the same order as they were removed.
12. Replace the end ring and secure with the four allen head bolts.
13. Slid the brush assembly into the brush head frame. Replace the two carriage
bolts in each motor housing.
14. To make sure the brush is straight in the brush head frame, measure the dis
tance from the center of the brush head frame tube. Measure this distance on
both sides of the brush head assembly. If these measurements are not the
same, slide either end in or out until both measurements are equal. Tighten all
bolts.
15. Replace the hood and secure with the four bolts. Adjust the front of the hood so
it is even across the brush.
16. Remove the tape on the hydraulic motors and hoses. Reconnect the hoses to
the motors.