Pump Removal And Installation - Toro Workman 3000 Series Service Manual

Pump Removal and Installation

Removal
1. Disconnect hydraulic lines from pump (Item 9). Install
caps or plugs in hydraulic lines to prevent contamination
and leakage of hydraulic oil. Install plugs in pump ports.
2. Disassemble parts as shown in illustration.
Installation
1. Install parts as shown in illustration and using the fol­
lowing instructions.
2. Apply never–seez or equivalent to shaft of pump (Item
9) before installing pulley (Item 4).
3. After installing key and pulley, tighten locknut (Item 4)
to a torque of 130 – 160 in–lb (150 – 184 kgcm).
4. Install pump suction line, then fill pump through pres ­
sure port, with clean hydraulic oil.
5. After installing the pump and connecting hydraulic
lines, adjust belt tension (see Chapter 5 – Air Cooled
Gas Engine). Start the engine and operate at idle speed
until air is out of hydraulic system.
6. Stop the engine and check oil level in transaxle. Add
oil (Dexron II) if necessary.
Hydraulic System
(Models with Air Cooled Engines Only)
130 – 160 in–lb
(150 – 184 kgcm)
1
Page 9 – 20 Rev. D
8
7
4
3
2
Figure 18
1. Belt
2. Locknut
3. Flat washer
4. Pulley
5. Square key
Workman 3000/4000 Series
5
9 6
Never–seez
6. Locknut
7. Capscrew
8. Carriage bolt
9. Hydraulic pump