Service Manual

Groundsmaster 3500−G Page 4 − 19 Kubota Gasoline Engine
IMPORTANT: Make sure not to damage the engine,
fuel and hydraulic lines, electrical harness, or other
parts while removing the engine.
15.Remove engine slowly from the machine.
16.Separate hydrostat and pump assembly from the en-
gine as follows (Fig. 14):
A. Remove traction belt from the engine flywheel
and hydrostat pulleys.
B. Remove five cap screws, washers, and spacers
securing the pump mount plate to the engine.
C. Remove two cap screws and flange nuts secur-
ing the pump support to the engine mount bracket
and remove the hydrostat and pump assembly from
the engine.
17.As necessary, remove engine mounts, front engine
mounting bracket and left engine mounting bracket.
Engine Installation
1. If removed, install engine mounts, front engine
mounting bracket and left engine mounting bracket.
2. Install hydrostat and pump assembly to the engine
as follows (Fig. 14):
A. Secure the pump support to the engine mount
bracket with two flange nuts and cap screws.
B. Secure pump mount plate to the engine with five
spacers, washers, and cap screws.
C. Install traction belt to the engine flywheel and hy-
drostat pulleys.
3. Connect hoist or lift to the front and rear engine lift
tabs.
CAUTION
One person should operate lift or hoist while the
other person guides the engine into the machine
.
IMPORTANT: Make sure not to damage the engine,
fuel and hydraulic lines, electrical harness, or other
parts while installing the engine.
4. Position engine slowly into the machine.
5. Secure all three engine mounts to the engine mount-
ing brackets with cap screws, washers, and hex nuts.
6. Install all hydraulic hoses to the piston and gear
pumps. Install traction control cable to the neutral arm
assembly on the piston pump (see Piston Pump Installa-
tion in Chapter 5− Hydraulic System in this manual).
7. Connect fuel hoses from the fuel pump and carbon
canister to engine.
8. Connect wire harness and electrical wires at the fol-
lowing locations:
A. Positive (+) cable from battery
B. Fusible link harness at starter
C. Connector at battery B+ terminal
D. Wire harness and frame grounds
E. O2 sensor
F. Two connections at alternator
G. Engine electronic control unit (ECU)
9. Secure wire harness to the engine at locations previ-
ously noted with cable ties.
10.Secure both fan shrouds to the radiator assembly
with flange head screws, and to each other with flange
head screws and nuts.
11.Secure expansion tank to bracket on fan shroud.
12.Connect following hoses to the radiator:
A. Upper radiator hose to the water pump.
B. Lower radiator hose to the coolant inlet tube at
engine.
C. Coolant hose to the expansion tank.
13.Make sure drain−cock valve is closed. Fill radiator
with coolant.
14.Install muffler assembly (see Muffler Installation in
this chapter).
15.Connect both battery cables at the battery (see Bat-
tery Service in Chapter 6 − Electrical system in this
manual).
16.Install air cleaner to the engine. Connect air hose to
air cleaner and radiator.
17.Install engine hood to the machine. Close and latch
hood.
18.Fill the hydraulic fluid reservoir.
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Gasoline Engine
Hydraulic
ElectricalWheels, Brakes,