Service Manual

Removal (Fig. 8)
1. Position sweeper on a level surface with dump hop-
per empty and lowered. Have sweeper attached to tow-
ing vehicle, engage vehicle parking brake, stop engine
a
nd remove key from the ignition switch. Chock sweep-
er wheels to prevent sweeper from moving.
2. Remove hydraulic brush motor from brush housing
(see Hydraulic Brush Motor Removal in the Service and
Repairs section of Chapter 3 – Hydraulic System).
3. Support brush housing to prevent it from shifting.
4. Remove cap screws (item 2) and lock nuts (item 3)
that secure pivot mounts to frame.
5. Refer to Brush Housing Service in this section for
procedure
to remove brush housing from saddle frame.
6. After raising hopper and placing lift cylinder stop, re-
trieve brush housing.
7. Remove pivot mounts from brush housing. Locate
a
nd retrieve thrust washers (item 7) from between pivot
mount and brush housing.
8. If necessary, remove flange bushings from pivot
mounts. Discard bushings if removed.
Installation (Fig. 8)
1. If flange bushings were removed from pivot mounts,
press new bushings fully into mounts.
2. Place thrust washer and then pivot mount on both
brush housing pins.
3. Position brush housing under raised hopper.
4. Slowly lower hopper to position brush housing to
saddle frame (see Servicing the Brush Housing in this
section).
5. Secure pivot mounts to frame with cap screws (item
2
) and lock nuts (item 3). Torque lock nuts from 45 to 55
ft–lb (61 to 75 N–m).
6. 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 b
y torquing set screws from 125 to 155 in–lb (14.1
to 17.5 N–m) (Fig. 9).
7. Lubricate grease fittings o
n pivot mounts (see Oper-
ator’s Manual).
1
2
3
4
5
6
7
3
(14.1 to 17.5 N–m)
Loctite #242
Antisieze
Lubricant
Antisieze
Lubricant
125 to 155 in–lb
Figure 9
1. Hydraulic brush motor 5. Brush
2. Key 6. Square
key
3. Coupling jaw 7.
Set screw (2 per jaw)
4. Coupling spider
Chassis
Pro Sweep 5200 Page 5 – 11 Chassis