Toro Groundsmaster 4500-D Service Manual page 29
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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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Removal (Fig. 11)
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).
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.
3. Remove radiator cap. Use the radiator draincock to
drain radiator into a suitable container.
4. Disconnect upper and lower radiator hoses from the
radiator.
5. Remove air cleaner intake hose (item 8).
6. Remove four (4) flange head screws and flange nuts
that secure plenum assembly (item 5) to crossover
plate. Remove plenum assembly from machine.
7. 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).
8. Remove fasteners that secure lower radiator shroud
to radiator. Remove lower shroud from machine.
9. To prevent contamination of hydraulic system during
radiator/oil cooler removal, thoroughly clean junction of
hydraulic hoses and fittings on oil cooler.
10.Disconnect hydraulic hoses from radiator/oil cooler
(Fig. 12). Put caps or plugs on open hydraulic hoses and
fittings to prevent system contamination. Label the hy-
draulic hoses to show their correct position on the oil
cooler for assembly purposes.
11. Disconnect reservoir hose (item 39) from the radiator
vent tube.
12.Remove four (4) flange head screws and flange nuts
securing the radiator/oil cooler and recirculation barriers
(items 24 and 25) to the radiator mount. Carefully re-
move radiator/oil cooler from the machine. Make sure
that spacers (item 32) remain in hood seal.
Groundsmaster 4500--D/4700--D
1
3
1. Radiator/oil cooler
2. Hydraulic tube
3. Hydraulic tube
4. Hydraulic hose
1
8
2
1. Radiator/oil cooler
2. O- -ring
o
3. 90
fitting (2 used)
4. O- -ring
Page 3 - - 13
4
5
6
7
6
7
2
Figure 12
5. Bulkhead nut
6. Spacer
7. O- -ring
3
2
7
Figure 13
5. Radiator cap
6. Plug
7. Draincock
8. Hydraulic plug
Yanmar Diesel Engine
4
5
4
5
6
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