Toro Reelmaster 3550-D Service Manual page 287

Rear roller brush drive components are located on the
opposite side of the cutting unit from the cutting unit hy-
draulic motor. Figure 54 shows components used when
the brush drive is on the left side of the cutting unit.
The Installation Instructions for the rear roller brush kit
has detailed information regarding assembly and ad-
justment. Use those Instructions along with this Service
Manual when servicing the rear roller brush.
Disassembly (Fig. 54)
1. Position machine on a clean and level surface, lower
cutting units, stop engine, engage parking brake and re-
move key from the ignition switch.
2. To remove roller brush from brush shaft:
A. Remove the non--driven brush bearing assembly
from cutting unit.
B. Slide excluder seal from roller brush shaft.
C. Remove lock nut and J--bolt from both ends of the
brush (Fig. 55).
D. While rotating brush, slide brush from the shaft.
CAUTION
Contact with the reel or other cutting unit parts
can result in personal injury. Use heavy gloves
when handling the cutting reel.
3. To remove roller brush drive belt, rotate the cutting
reel and carefully pry the belt off the drive pulley.
4. Disassemble roller brush components as necessary.
Assembly (Fig. 54)
1. If brush was removed from shaft, slide brush onto
shaft while rotating brush. Secure brush to shaft with two
(2) J--bolts and lock nuts. Make sure that the J--bolts are
installed with the threaded portion on the outside of the
brush (Fig. 55). Torque lock nuts from 20 to 25 in- -lb (2.3
to 2.8 N- -m).
Reelmaster 3550--D/3555--D/3575--D
1
1. Roller brush shaft
2. J- -bolt
3
1. Housing (non- -driven)
2. Housing (driven)
2. If seals or bearings were removed from brush bear-
ing housings, install new components.
A. Pack bearings with grease before installation.
B. Press bearing into bearing housing so that bear-
ing contacts shoulder in housing bore.
C. Install grease seals as shown (Fig 56). Press
seals into housing so that seals contact bore
shoulders.
3. Assemble roller brush components (Fig. 54).
A. Apply a light coating of grease to inner diameter
of the grommet in drive bearing housing.
B. For rear roller brush assemblies attached to cut-
ting units without groomer or to cutting units with a
belt driven groomer, tighten 3/8 flange head screw
that secures drive pulley to drive shaft from 35 to 40
ft- -lb (47 to 54 N- -m).
For rear roller brush assemblies attached to cutting
units with gear driven groomer, tighten 5/16 button
head screw that secures drive pulley to drive shaft
from 15 to 19 ft- -lb (20 to 26 N- -m).
Page 7 - - 37
2 3
4 20 to 25 in- -lb
(2.3 to 2.8 N- -m)
Figure 55
3. Roller brush
4. Lock nut
2
1
4 4
ROLLER BRUSH
3
Figure 56
3. Bearing
4. Grease seal
DPA Cutting Units
4