4.5 INCH HYDRAULIC CHIPPER
22
WARNING
BEFORE INSPECTING OR SERVICING ANY PART OF THIS MACHINE, SHUT OFF POWER SOURCE,
AND MAKE SURE ALL MOVING PARTS HAVE COME TO A COMPLETE STOP.
5.9 REPLACING ROTOR BEARINGS
REMOVING THE OLD ROTOR BEARING
1. Unhook hydraulic hoses from the utility loader.
2. Unscrew the two screws from the split coupler (the
bolts are located underneath the coupler).
3. Remove the four bolts from the base weldment.
4. Slide out the hydraulic pump assembly as an entire
unit.
5. Remove the split coupler.
6. Remove the snap ring located right before the bearing.
7. Remove the 1/2" nuts from the bearing.
8. Take off bearing and replace.
See Figures 5.4 and 5.5.
FIGURE 5.4, UNSCREWING THE TWO SCREWS
FROM THE SPLIT COUPLER
FIGURE 5.5, DISASSEMBLY OF HYDRAULIC PUMP,
COUPLER, AND SNAP RING TO GET TO THE BEARING
INSTALLING THE NEW ROTOR BEARING
1. Replace the 1/2" nuts to secure the new bearing to the
motor mount plate.
2. Replace the snap ring.
3. If the unit comes with a shim behind the bearing,
reinstall it.
4. Replace the hydraulic pump assembly by replacing
the screws and bolts. Replace the 1/2" nuts.
5. Reattach the hydraulic hoses to the utility loader.
NOTE
When reinstalling the new bearing, make sure the
grease zerk is facing the bottom of the housing.
5.10 CLEARING A PLUGGED ROTOR
1. Remove the chipper deflector (see Fig. 5.6).
2. Remove debris, taking care to avoid the chipper
blades, which can be extremely sharp.
3. Once debris is removed, replace the chipper deflector.
FIGURE 5.6, LOCATION OF CHIPPER DEFLECTOR
