Service Manual

Reelmaster 5010 Series
DPA Cutting Units
Page 7 − 45
Disassembly (Fig. 53)
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−drive brush bearing housing
(item 30) from cutting unit.
B. Slide excluder seal from roller brush shaft.
C. Remove lock nut and J−bolt from both ends of the
brush.
D. While rotating brush, slide brush from the shaft.
3. Disassemble roller brush components as necessary
using Figures 53 and 54 as guides.
Assembly (Fig. 53)
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).
2. If seals or bearings were removed from brush bear-
ing housings, install new components noting proper ori-
entation as shown in Figure 56.
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 so that seal lips are posi-
tioned toward the brush location. Press inner seals
into housing so that seal contacts bore shoulder.
Press outer seals into housing until inner seal is con-
tacted.
1. Drive belt
2. Drive pulley
3. Lock nut
4. Retaining ring
5. Bearing
6. Idler pulley
7. Idler arm
8. Flange bushing
9. Washer
10. Idler spring
11. Idler spacer
Figure 54
10 to 15 ft−lb
(14 to 20 N−m)
2
3
8
1
5
7
4
6
9
10
11
3
1. Roller brush shaft
2. J−bolt
3. Roller brush
4. Lock nut
Figure 55
12 3
4
20 to 25 in−lb
(2.3 to 2.8 N−m)
1. Bearing
2. Inner grease seal
3. Outer grease seal
4. Housing (non−driven)
5. Housing (driven)
Figure 56
2
2
1
1
4
5
3
3
DPA Cutting
Units