Toro Reelmaster 3550-D Service Manual page 27

Removal (Fig. 7)
1. Park machine on a level surface, lower cutting units,
stop engine, engage parking brake and remove key
from the ignition switch.
2. Open and remove hood from the machine.
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.
IMPORTANT: Follow all local codes and regulations
when recycling or disposing engine coolant.
3. Drain radiator into a suitable container either by us-
ing the draincock near the lower left side corner of the
radiator or by removing the lower radiator hose from the
radiator.
4. Disconnect radiator hoses from the radiator.
5. Remove air cleaner inlet hose from radiator opening.
6. Read the General Precautions for Removing and
Installing Hydraulic System Components in the Service
and Repairs section of Chapter 4 − Hydraulic System in
this manual.
7. Thoroughly clean hydraulic lines at oil cooler ports.
Disconnect hydraulic lines and put caps or plugs on lines
to prevent contamination. Label disconnected hydraulic
lines for proper installation.
8. Remove coolant expansion tank and bracket from
machine.
9. Remove fan shrouds from machine.
10.Remove fasteners that secure radiator to the upper,
lower and side radiator brackets.
11. Carefully separate radiator/oil cooler assembly from
brackets and remove from the machine.
12.If necessary, remove hydraulic fittings from oil cooler
and discard O−rings.
13.Plug all radiator and hose openings to prevent con-
tamination.
Reelmaster 3550−D/3555−D/3575−D
Installation (Fig. 7)
1. Inspect seals around radiator location for wear or
damage. Replace seals if necessary.
2. If hydraulic fittings were removed from oil cooler, lu-
bricate and place new O−rings onto fittings. Install fit-
tings into port openings and tighten fittings (see
Hydraulic Fitting Installation in the General Information
section of Chapter 4 − Hydraulic System in this manual).
3. If draincock valve was removed from radiator, apply
thread sealant to draincock threads before installing it
into radiator.
4. Remove all plugs placed in radiator and hose open-
ings during the removal procedure.
5. Carefully position radiator to the radiator brackets.
6. Secure radiator to the side radiator brackets with four
(4) carriage bolts and flange nuts. Secure top and bot-
tom of radiator to brackets with flange head screws.
7. Connect hydraulic lines to fittings in oil cooler ports
(see Hydraulic Hose and Tube Installation in the Gener-
al Information section of Chapter 4 − Hydraulic System
in this manual).
8. Position fan shrouds to radiator and secure with re-
moved fasteners.
9. Secure coolant expansion tank and bracket to ma-
chine.
10.Connect radiator hoses to the radiator and secure
with hose clamps.
11. Install and secure air cleaner inlet hose.
12.Make sure radiator draincock valve is closed. Fill ra-
diator with coolant.
13.Install hood to the machine. Close and latch hood.
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