Toro 2020, 5020, 3020 service manual Rear Wheels and Brakes

Rear Wheels and Brakes

22		8		19
21
				18
					6
						11 13
						20
						15
						16
6	23		9	14		7
						4
		22
		24				3
						25
				10
		12
				16	17	2
RIGHT
FRONT						5
						1

Figure 8

1.	Lug nut	10.	Clevis pin	18.	Brake bracket
2.	Drive stud	11.	Brake lever	19.	Lock nut
3.	Wheel	12.	Clevis	20.	Cap screw
4.	Hub	13.	Backing plate	21.	Hex nut
5.	Lock nut	14.	Retaining clip	22.	Lock washer
6.	Motor shaft	15.	Return spring	23.	Spacer
7.	Brake drum	16.	Brake shoe	24.	Cap screw
8.	Woodruff key	17.	Cam shaft	25.	Valve stem
9.	Cotter pin

Removal (Fig. 8)

NOTE: The rear wheels and brakes on The SP 2020/3020 and SP 5020 are identical in construction. The same procedures can be used for repair and main- tenance of either machine.

1.Park machine on a level surface, lower attachment, and stop engine.

WARNING

Before jacking up the machine, review and follow Jacking Instructions in Chapter 1 – Safety.

2.Jack up rear wheel and use wood blocks to keep the rear tire off the floor.

3.Remove lug nuts from drive studs. Pull wheel from drive studs and wheel hub.

NOTE: The installation torque of the locknut is from 200 to 400 ft–lb (27.7 to 55.3 kg–cm). Use impact wrench to remove lock nut from the hydraulic motor shaft.

4.Apply parking brake Remove lock nut from the hy- draulic motor shaft. Release parking brake.

IMPORTANT: Do not hit wheel hub with a hammer during removal or installation. Hammering may cause damage to the hydraulic wheel motor.

5.Use puller to remove wheel hub and brake drum from the hydraulic motor shaft. Remove woodruff key from the shaft.

6.Remove cotter pin from clevis pin. Remove clevis pin from brake lever and clevis. Separate clevis from brake lever.

Wheels, Brakes, and Miscellaneous Page 6 – 10 Sand Pro 2020/3020/5020