Service Manual

Pro Sweep 5200 Page 5 – 9 Chassis
5. After raising hopper and placing lift cylinder stop, re-
trieve brush assembly.
6. Loosen set screws (item 14) that secure coupling jaw
to brush shaft. Slide coupling jaw from brush. Locate
and retrieve square key from brush shaft.
7. To remove bearing from brush shaft:
A. Loosen set screw that secures locking collar to
shaft.
NOTE: Normal brush rotation is clockwise as
viewed from left side of sweeper.
B. Using a punch and hammer, rotate locking collar
in the opposite direction of normal brush rotation to
loosen collar.
C. Slide bearing flanges, locking collar and bearing
from brush shaft.
8. Disassemble brush using Figure 6 as a guide.
Installation (Fig. 5)
1. Assemble brush using Figure 6 as a guide.
2. Clean brush shaft and apply antisieze lubricant to
shaft. Slide bearing flanges, bearing and locking collar
to each end of brush shaft. Do not tighten set screw in
locking collar.
3. Position square key in brush shaft. Slide coupling jaw
onto drive end of brush shaft.
4. Position brush assembly under raised hopper.
5. Slowly lower hopper to position brush assembly to
brush housing (see Servicing the Brush Housing in this
section).
6. Secure bearing flanges to brush housing with car-
riage bolts (item 7), flat washers (item 16) and lock nuts
(item 17). Center brush in brush housing.
NOTE: Normal brush rotation is clockwise as viewed
from left side of sweeper.
7. Using a punch and hammer, rotate locking collar in
the direction of normal brush rotation to tighten collar.
Apply Loctite #242 (or equivalent) to set screw and
torque set screw from 125 to 155 in–lb (14.1 to 17.5
N–m) to secure locking collar to brush shaft.
8. Place coupler spider into coupling jaw on brush
shaft.
9. Install hydraulic brush motor to brush housing (see
Hydraulic Brush Motor Installation in the Service and
Repairs section of Chapter 3 – Hydraulic System). Make
sure that coupling jaws have a gap between coupler jaw
valleys from .830” to .930” (21.1 to 23.6 mm). Apply Loc-
tite #242 (or equivalent) to threads of coupling set
screws. Secure coupling jaws to motor shaft and brush
shaft by torquing set screws from 125 to 155 in–lb (14.1
to 17.5 N–m) (Fig. 7).
1. Brush
2. Flange nut (4 used)
3. Brush drive (2 used)
4. Retaining ring (4 used)
5. Carriage screw (4 used)
6. Brush axle
Figure 6
2
3
4
1
5
6
1. Hydraulic brush motor
2. Key
3. Coupling jaw
4. Coupling spider
5. Brush
6. Square key
7. Set screw (2 per jaw)
Figure 7
1
2
3
4
5
6
7
3
125 to 155 in–lb
(14.1 to 17.5 N–m)
Loctite #242
Antisieze
Lubricant
Antisieze
Lubricant
Chassis