Toro 5020 service manual Hydrostat SP 2020/3020, Right Front

Hydrostat (SP 2020/3020)

						5
						34
			33			6	2	3	15
			4		7
	RIGHT
			29
	FRONT		9
		26		29
	28							8
	27
	20							30
	24
	19
	18							10
					31
	23			32
	17		15		11
	21	3
	16
22	16	25
	17			12
				13
	18
	19	14
	20

Figure 31

1.	Not used	13.	90o hydraulic fitting	24.	Pump hub
2.	Shaft cover	14.	Hydraulic hose	25.	Pump mount
3.	Lock washer	15.	Cap screw	26.	Woodruff key
4.	Hydraulic hose	16.	Lock nut	27.	Hex nut
5.	Hydraulic hose	17.	Flat washer	28.	Lock washer
6.	Cap screw	18.	Coupling spacer	29.	O–ring
7.	Wire standoff	19.	Cap screw	30.	Hose clamp
8.	Suction hose	20.	Set screw	31.	O–ring
9.	Hydrostat	21.	Engine hub	32.	O–ring
10.	Push on hose fitting	22.	Square key	33.	Cable tie
11.	Hydraulic hose	23.	Rubber coupling	34.	Hydraulic hose
12.	90o hydraulic fitting

Removal (Fig. 31)

1.Before removing any parts from the hydraulic sys- tem, park machine on a level surface, set brake, lower attachment, and stop engine.

CAUTION

Operate all hydraulic controls to relieve system pressure and avoid injury from pressurized hy- draulic oil. Controls must be operated with the ignition switch in OFF. Remove key from the igni- tion switch.

2.Pivot seat up. Remove cover from the midsection of the machine.

CAUTION

The muffler and exhaust pipe may be hot. Avoid possible burns. Allow engine and exhaust sys- tem to cool before working near the muffler.

3.Remove muffler shield from the engine by first re- moving three cap screws and lock washers securing the shield.

4.Remove cotter pin and flat washer securing the pump control rod to the pump lever. Pull control rod from the pump lever (Fig. 32).

5.Label electrical wires. Disconnect wires from the neutral switch (Fig. 32).

6.Remove cap screw and lock nut securing the pump lever to the hydrostat trunnion (Fig. 32).

Hydraulic System (Rev. A) Page 4 – 42 Sand Pro 2020/3020/5020