Toro Workman 3000 Series Service Manual page 379

Pump Removal and Installation
Removal
1. Loosen fan belt and remove from drive pulley.
2. Disconnect hydraulic lines from pump (Item 11).
Install caps or plugs in hydraulic lines to prevent contam-
ination and leakage of hydraulic oil. Install plugs in pump
ports.
3. Remove fan mount bracket (Item 1) with pump at­
tached.
4. Remove 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
11) before installing pulley (Item 7).
3. After installing key and pulley, tighten locknut (Item 5)
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 3 – Liquid Cooled
Gas Engine or Chapter 4 – Liquid Cooled Diesel En­
gine). 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 III) if necessary.
Workman 3000/4000 Series
(Excluding Models with Air Cooled Engines)
130 – 160 in–lb
(150 – 184 kgcm)
1. Fan mount bracket
2. Capscrew
3. Lockwasher
4. Fan
5. Flange locknut
6. Flat washer
Page 9 – 19 Rev. D
8
1
6
5
12
3
7
2
10
4
Figure 17
7. Pulley
8. Square key
9. Flange locknut
10. Capscrew
11. Hydraulic pump
12. Set screw
Hydraulic System
11
9
Never–seez