Service Manual

Greensmaster 3200 Page 3 – 19 Vanguard 3/LC Gasoline Engine
Engine Removal
1. Park machine on a level surface, lower the cutting
units, stop the engine, engage parking brake, and re-
move the key from the ignition switch.
2. Release lockup handle, and pivot steering arm and
steering wheel all the way forward. Lift seat forward to
gain access to the engine.
3. Remove console shroud from the control panel.
4. Drain fuel tank (see Fuel Tank Removal):
CAUTION
The hydraulic fluid may be hot. To avoid
possible burns, allow the hydraulic sys-
tem to cool before disconnecting hoses.
5. Drain hydraulic reservoir as follows (Fig 19):
A. Clamp pump inlet hose to prevent hydraulic tank
from inadvertently draining.
B. Loosen hose clamp, and remove pump inlet
hose from the gear pump.
C. Drain hydraulic tank completely into a suitable
container by releasing the clamp from the hose.
Plug hose and pump to prevent contamination.
CAUTION
DO NOT open radiator cap or drain coolant
if the engine or radiator is hot. Pressurized
hot coolant can escape and cause burns.
Ethylene–gycol antifreeze is poisonous.
Dispose of it properly or store it in a proper-
ly labeled container away from children and
pets.
6. Drain radiator (4) as follows (Fig. 16):
A. Place a suitable container under the radiator.
B. Open drain petcock (39) on the back of the radia-
tor. Drain radiator completely and close petcock.
7. Disconnect hydraulic oil cooler if installed (Fig. 20).
A. Disconnect tube and O–ring from hydraulic fit-
ting on the hydraulic reservoir.
B. Disconnect tube and O–ring from hydraulic fit-
ting on the oil filter.
Figure 19
PUMP INLET HOSE
Figure 20
1. Hydraulic oil cooler
2. Tube
3. O–ring
4. Hydraulic fitting
5. Hydraulic reservoir
6. Tube
7. O–ring
8. Hydraulic fitting
9. Oil filter
1
2
9
8
5
3
4
6
7
1. Hose assembly 2. Tube
Figure 21
1
2
WELDED
FITTING
Vanguard 3/LC
Gasoline Engine