Toro ProCore, Service Manual

Page: 91 / 122

ProCore Processor Page 6 -- 15 Chassis
Removal (Fig. 10)
1. Park ProCore Processor on a level surface with the
Processor fully lowered. Make sure that Processor en-
gine is off. Remove key from the ignition switch. Chock
wheels to prevent movement of the machine.
2. Remove belt covers from both sides of jack shaft
(see Drive Belt Covers in this section).
3. On both ends of jack shaft, remove drive belts from
pulleys:
A. Loosen lock nut that secures drive belt idler pul-
ley. Position idler pulley away from drive belts.
B. Carefully remove drive belts from pulley on jack
shaft.
4. Remove pulley and taper lock bushing from both
ends of jack shaft (see Pulley Assembly Service in this
section).
5. Remove jack shaft cover (item 22) from machine.
Make sure that tinnerman nuts remain positioned cor-
rectly on cover mount brackets for assembly purposes.
6. Support jack shaft to prevent it from shifting or falling.
7. On both ends of jack shaft, remove bearing:
A. Loosen three (3) set screws that secure bearing
collar to jack shaft.
B. Note location of grease fitting on jack shaft bear-
ing so bearing can be properly orientated during
installation.
C. Remove four (4) cap screws, eight (8) flat wash-
ers and four (4) lock nuts that secure jack shaft flange
bearing to frame. Remove cover mount (items 27
and 28).
D. Slide bearing from jack shaft.
8. Remove jack shaft from machine.
NOTE: If centrifugal clutch removal is necessary, refer
to Centrifugal Clutch Removal in the Service and Re-
pairs section of Chapter 3 -- Engine.
Installation (Fig. 10)
1. Clean both ends of jack shaft and apply a light film of
oil to shaft ends.
2. Position jack shaft to machine frame.
3. Slide flange bearing onto each end of jack shaft. Do
not tighten set screws in bearings.
Figure 11
JACK
SHAFT
CLUTCH
Figure 12
FRONT
RIGHT
JACK
SHAFT
BRUSH
SHAFT
ROTATING
CORNER
CHOPPER
AXLE
SHAFT
1. Jack shaft
2. Bearing mounting plate
3. Idler pulley
Figure 13
6.100” to 6.340”
Bearing Mounting Plate to Jack Shaft End
FRONT
(154.9 to 161.0 mm)
1
3
2
Chassis