Engine Removal - Toro Groundsmaster 4500-D Service Manual
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Also See for Groundsmaster 4500-D:
- Service manual (474 pages) ,
- Operator's manual (92 pages) ,
- Installation instructions manual (28 pages)
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Engine Removal (Fig. 14)
1. Park machine on a level surface, lower cutting
decks, stop engine, engage parking brake and remove
key from the ignition switch.
2. Remove hood from the machine (see Hood Removal
in the Service and Repairs section of Chapter 7 -- Chas-
sis).
3. Remove battery cover. Disconnect negative battery
cable from the battery first and then disconnect positive
battery cable.
CAUTION
Do not open radiator cap or drain coolant if the
radiator or engine is hot. Pressurized, hot cool-
ant can escape and cause burns.
Ethylene- -glycol antifreeze is poisonous. Dis-
pose of coolant properly, or store it in a properly
labeled container away from children and pets.
4. Drain coolant from radiator into a suitable container
(see Radiator and Oil Cooler Assembly in this section).
Disconnect upper and lower radiator hoses from the ra-
diator.
5. Remove air cleaner system from engine (see Air
Cleaner System in this section).
6. Note location of cable ties used to secure wire har-
ness. Disconnect the following engine electrical con-
nections:
A. The engine wire harness from the machine wire
harness.
B. The positive battery cable and fusible link har-
ness from the engine starter motor.
C. The negative battery cable, engine ground cable
and main wire harness ground wires secured with a
cap screw and external lock washer to the right side
of the engine below the starter motor. Note location
of lock washer for assembly purposes.
7. Disconnect fuel supply and return hoses from injec-
tion pump (Fig. 15 or 16). Cap fuel hoses and injector
pump fittings to prevent contamination.
8. Remove engine cooling fan motor and bracket as-
sembly, upper radiator shroud and cooling fan from ma-
chine (see Engine Cooling Fan Motor in the Service and
Repairs section of Chapter 4 -- Hydraulic System).
Groundsmaster 4500--D/4700--D
6
1
1. Engine
2. Hose clamp
3. Fuel supply hose
1. Engine
2. Hose clamp
9. Remove fasteners that secure lower radiator shroud
to radiator (see Radiator and Oil Cooler Assembly in this
section). Remove lower shroud from machine.
IMPORTANT: The hydraulic pump assembly can re-
main in machine during engine removal. To prevent
pump assembly from shifting or falling, make sure
to support pump assembly before piston (traction)
pump mounting fasteners are removed.
Page 3 - - 17
MODELS 30881 & 30882
2
4
5
3
Figure 15
4. Hose clamp
5. Fuel return hose
6. Front lift bracket
MODELS 30873 & 30874
3
2
4
1
Figure 16
3. Fuel return hose
4. Fuel supply hose
Yanmar Diesel Engine
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