Drive Roller Bearings - Toro ProPass 200 Service Manual

Drive Roller Bearings

RIGHT
FRONT
1. Set screw
2. Locking collar
3. Lock nut (4 used per bearing)
Use this procedure for service of the drive roller bear-
ings at the rear of the machine.
Disassembly (Fig. 6)
1. Position machine on a level surface. If ProPass is at-
tached to tow vehicle, apply tow vehicle parking brake,
stop engine and remove key from the ignition switch.
Chock wheels to prevent ProPass machine from mov-
ing.
2. Remove guards from frame to allow access to idler
roller and drive roller components (see Bed Guards in
this section).
3. On both sides of machine, loosen tension on floor
conveyor belt at idler roller shaft (Fig. 7):
A. Retain tensioner rod with wrench to prevent it
from turning.
B. Loosen adjusting jam nut to remove tension on
floor conveyor belt. If locking jam nut is left in posi-
tion, applying correct tension to conveyor belt will be
easier during assembly.
C. Repeat for other side of machine.
Chassis
1
Loctite #242 2
4
8
4. Bearing assembly
5. Drive roller shaft
6. Cap screw (4 used per bearing)
3
Figure 6
4. If right side bearing is to be removed from machine,
remove drive chain and sprocket from drive roller (see
Floor Motor Drive in this section).
5. Loosen and remove locking collar from drive roller
shaft (Fig. 8):
NOTE: Direction of normal roller rotation is shown in
Figure 9 as viewed from left side of conveyor.
A. Loosen set screw in locking collar.
B. Using blind hole in locking collar as an impact
point, unlock collar by striking it with a punch in the
opposite direction of drive roller shaft rotation.
C. Slide locking collar from bearing assembly and
drive roller shaft.
NOTE: If LH bearing is being removed from machine,
leave alignment plate (item 7) tightened to conveyor
frame if possible. This will reduce the need for re--align-
ing bearing during assembly.
6. Remove four (4) lock nuts (item 3) that retain bearing
assembly to conveyor frame. Remove bearing from
drive roller shaft and frame. Leave cap screws in frame.
Page 5 - - 8
Loctite #242
6
5
3
4
2
7
7. Alignment plate
8. Idler roller shaft
ProPass 200
1