Toro 30857 - Page 27

Groundsmaster 4500--D/4700--D Page 3 -- 11 Kubota Diesel Engine
Removal (Fig. 8)
1. Park machine on a level surface, lower cutting
decks, stop engine, engage parking brake and remove
key from the ignition switch.
2. Removehoodfromthemachine(seeHoodRemoval
intheService andRepairssectionofChapter 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. D is-
pose of coolant properly or store it in a properly
labeled container away f rom children and pets.
3. Remove radiator cap. Drain radiator into a suitable
container using the radiator draincock.
4. Disconnectupperandlowerhosesfromtheradiator.
5. Remove air cleaner hose (item 6).
6. Removefour(4)flangeheadscrewsandflangenuts
that secure plenum (item 7) to radiator mount. Remove
plenum.
7. Disconnectreservoirhose( item39)fromtheradiator
vent tube.
8. Detach upper radiator shroud from the radiator and
lower radiator shroud. Remove upper shroud from ma-
chine.
9. Removefastenersthatsecurelower radiatorshroud
to radiator.
10.Remove six (6) cap screws and flange nuts that se-
cure fan motor bracket to radiator (Fig. 9).
11.Positionlowerradiatorshroudandfanmotorbracket
assembly away from radiator.
12.Removefour(4)flangeheadscrewsandflangenuts
securingtheradiatorandrecirculationbarriers(items24
and25)totheradiatormount.Carefullyremovebarriers
and radiator from the machine.
13.Plug all radiator and hose openings to prevent con-
tamination.
Installation (Fig. 8)
1. Removeplugsplacedin radiatorandhoseopenings
during the removal procedure. Make sure that radiator
draincock is closed.
2. Carefully position radiator and recirculation barriers
(items24and 25) totheradiatormount.Secureradiator
and barriers in place with four (4) flange head screws
and flange nuts.
3. Positionlowerradiatorshroudandfanmotorbracket
assembly to the radiator. Make s ure that hydraulic
hoses are correctly positioned in grommets in lower ra-
diator shroud.
4. Secure fan motor bracket to radiator with six (6) cap
screws and flange nuts (Fig. 9).
5. Secure lower radiator shroud to radiator with re-
moved fasteners.
6. Position upper radiator shroud to lower r adiator
shroud and radiator.Secure shrouds with removed fas-
teners.Makesure that clearance between shroudsand
fan is at least 0.180” (4.6 mm) at all points.
7. Connectreservoirhose (item39)to theradiatorvent
tube.
8. Connect upper and lower hoses to the radiator.
9. Install plenum (item 7) to radiator mount and secure
with flange head screws and flange nuts.
10.Installaircleanerhose(item6)to theaircleanerand
plenum.
11.Fill radiator with coolant.
12.Installhoodonthemachine(seeHoodInstallationin
the Service and Repairs section of Chapter 7 -- Chas-
sis).
Figure 9
1. Fan
2. Fan motor bracket
3. Fan motor
4. Cap screw (6 used)
5. Flange nut (6 used)
6. Radiator
1
2
3
4
5
6
Kubota
Diesel Engine