Toro Sand Pro 5020 - Manual (Page 155)

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NOTE: The brake lever, backing plate, retaining clip,
return springs, brake shoes, and cam shaft can be re-
moved as a complete brake assembly.
7. If it is desired to remove the brake assembly from
the brake bracket, remove four cap screws and lock nuts
securing the assembly to the bracket.
8. Disassemble brake assembly as follows (Fig. 9):
A. Remove return springs from the brake shoes.
Remove brake shoes from the backing plate.
B. Matchmark brake cam and brake lever to assure
proper alignment during reassembly. Remove re-
taining clip from the brake cam. Pull brake lever
from the cam. Remove cam from backing plate.
9. The brake bracket can be removed as follows:
A. Remove hex nuts, lock washers, spacers, and
cap screws securing the brake bracket and hydrau-
lic motor to the frame.
B. Separate bracket from the frame.
Installation (Fig. 8)
1. Secure brake bracket and hydraulic motor to the
frame as follows:
A. On the top two holes, insert cap screws through
bracket, spacers, motor and frame. Secure with lock
washers and hex nuts, but do not tighten
B. On the bottom two holes, insert cap screws
through lock washers, bracket, spacers, motor and
frame. Secure with hex nuts, but do not tighten
2. Assemble brake assembly as follows (Fig. 9):
A. Secure backing plate to the brake bracket with
four cap screws and lock washers.
B. Apply antiseize lubricant to cam shaft splines. In-
sert cam shaft through the backing plate.
C. Attach brake lever to the cam shaft. Make sure
matchmarks are aligned properly. Secure lever to
shaft with retaining clip.
D. Position both brake shoes on the backing plate
so that the concave heels attach to the anchor pin.
E. Insert both return springs into the holes of both
brake shoes. Make sure shoes fit snuggly against
the anchor pin and cam.
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Figure 9
1. Return spring 5. Retaining clip
2. Brake shoe (toe end) 6. Cam shaft
3. Brake shoe (heel end) 7. Anchor pin
4. Backing plate 8. Brake lever
3. If the brake lever, backing plate, retaining clip, return
springs, brake shoes, and cam shaft were removed as
a complete brake assembly, secure backing plate to the
brake bracket with four cap screws and lock washers.
Tighten fasteners.
4. Attach clevis to brake lever. Insert clevis pin through
clevis and brake lever. Secure clevis pin with cotter pin.
5. Place antiseize lubricant on woodruff key. Install key
to the slot on the hydraulic motor shaft. Slide wheel hub
and brake drum assembly onto the shaft.
6. Secure wheel hub and brake drum to the hydraulic
motor shaft with lock nut.
NOTE: The brake shoes and backing plate must be
concentrically aligned with the brake drum. This will pre-
vent the shoes from dragging on the drum when the
brakes are released.
7. Apply parking brake. Tighten four cap screws and
hex nuts securing the brake bracket to the hydraulic mo-
tor and frame. Torque lock nut from 200 to 400 ft–lb (27.7
to 55.3 kg–m). Release parking brake.
8. Place wheel onto drive studs and wheel hub. Se-
cure wheel with lug nuts on drive studs. Torque lug nuts
from 45 to 55 ft–lb (6.2 to 7.6 kg–m) in a criss–cross pat-
tern.
9. Lower wheel to ground.
10. Check and adjust brakes (see Adjust Brake).
Whells, Brakes,
and Miscellaneous
Sand Pro 2020/3020/5020 Page 6 – 11 Wheels, Brakes,and Miscellaneous