Engine Removal; Engine Installation - Toro Greensmaster 3150 Service Manual

Engine Removal (Fig. 4)
1. Park machine on a level surface, lower cutting units,
stop engine, engage parking brake, and remove key
from the ignition switch.
CAUTION
The muffler and exhaust manifold may be hot.
Avoid possible burns, allow exhaust system to
cool before working on the engine.
2. Disconnect the negative (–) battery cable at the bat-
tery.
DANGER
Gasoline is flammable. Use caution when storing
or handling it. Do not smoke while filling the fuel
tank. Do not fill fuel tank while engine is running
or in an enclosed area. Always fill fuel tank out-
side and wipe up any spilled fuel before starting
the engine. Store fuel in a clean, safety–ap-
proved container, and keep the cap in place. Use
gasoline for the engine only; not for any other
purpose.
3. Close fuel shut–off valve (15 Fig. 3).
4. Remove the fuel hose support clamp (11 Fig. 3) and
disconnect fuel hose (3 Fig. 3) at the carburetor. Drain
any fuel trapped in the fuel filter and fuel hose into a suit-
able container.
5. Disconnect the engine wiring harness (29), the
choke control cable, the throttle control cable, and the
ground wires (11) at the engine.
6. Loosen the two set screws (41) securing the pump
hub (30) to the pump shaft.
7. Support the hydraulic pump assembly and remove
the two cap screws (43) lock washers (42) and hard-
ened washers (32) securing the pump to the pump
adapter (19). Do Not disconnect the hydraulic hoses or
neutral control linkage from the pump.
8. Support the engine assembly and remove the three
engine mount flange nuts (7), cap screws (1), flat wash-
ers (2), and spacers (3).
9. Remove the engine.
Greensmaster 3150
Engine Installation (Fig. 4)
1. Support the engine assembly and align the engine
mount plate (21) with the three engine mounts (24).
IMPORTANT: Make sure not to damage engine, fuel
hose, hydraulic hoses, electrical harness and wires,
control cables, or other parts while installing the en-
gine. Make sure pump hub is in position before
installing the engine mount cap screws.
2. Align the pump hub (30) with the pump shaft and key
(42) and slide the pump hub over the pump shaft.
3. Install the three engine mount flange nuts (7), cap
screws (1), flat washers (2), and spacers (3).
A. Torque cap screws from 27 to 33 ft–lb (36 to 45
Nm).
4. Mount the hydraulic pump assembly to the pump
adapter (19) using two cap screws (43) lock washers
(42) and hardened washers (32).
A. Torque cap screws from 27 to 33 ft–lb (36 to 45
Nm).
B. Tighten pump hub set screws (41) from 7 to 9 ft–
lb (9 to 12 Nm).
5. Connect the engine wiring harness (29) and ground
wires (11) to the engine.
6. Connect and adjust the choke control cable (see
Adjusting the Choke Control in the Traction Unit Opera-
tor's Manual).
7. Connect and adjust the throttle control cable (see
Adjusting the Throttle Control in the Traction Unit Opera-
tor's Manual).
8. Connect fuel hose (3 Fig. 3) to the carburetor with
hose clamp (18 Fig. 3). Install the fuel hose support
clamp (11 Fig. 3).
9. Open fuel shut–off valve (15 Fig. 3) and fill fuel tank
with fuel (see Filling Fuel Tank in the Traction Unit Oper-
ator's Manual). Check fuel hose for leaks.
10. Start the engine and check for proper operation.
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