Toro 5020 service manual Lift Cylinder SP 2020/3020, Removal, Installation

Lift Cylinder (SP 2020/3020)

Removal

1.Before removing any parts from the hydraulic sys- tem, park the machine on a level surface, engage the parking brake, lower attachment, and stop the 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.Label all hydraulic connections for reassembly.

3.Disconnect hydraulic hoses and O–rings from the hydraulic fittings. Allow hoses to drain into a suitable container.

4.Put caps or plugs on disconnected hoses and fit- tings to prevent contamination.

5.Remove cotter pin from the clevis pin. Pull clevis pin from the hydraulic cylinder and lift arm.

6.Support hydraulic cylinder to prevent it from drop- ping.

A.Remove a cotter pin from the cylinder pin.

B.Pull cylinder pin from the hydraulic cylinder and frame.

C.Remove hydraulic cylinder from the frame.

Installation

1.Position hydraulic cylinder tho the frame. Insert cyl- inder pin through the frame bracket and cylinder. Secure pin with cotter pins.

2.Position clevis of the hydraulic cylinder to the lift arm. Insert clevis pin through the cylinder clevis and se- cure with cotter pins.

3.Remove caps or plugs from the disconnected hose and fittings. Connect hydraulic hoses and O–rings to the hydraulic fittings. Tighten hose connections.

4.Charge hydraulic system (see Charge Hydraulic System).

		6
		5
		6
	1
	6
	2
	4	7
1		3
		4
		6
		8

Figure 28

1.	Hydraulic hose	5.	Hydraulic cylinder
2.	90o Hydraulic fitting	6.	Cotter pin
3.	45o Hydraulic fitting	7.	Cylinder pin (clevis)
4.	O–ring	8.	Cylinder pin

Hydraulic Systems

Sand Pro 2020/3020/5020 Page 4 – 39 Hydraulic System (Rev. A)