Toro 30821 Service Manual page 35

3. Place a suitable container under the radiator to col-
lect the coolant. Open draincock valve, and completely
drain the radiator.
IMPORTANT: Follow all local codes and regulations
when recycling or disposing engine coolant.
4. Remove glow plug relay from the radiator assembly.
Position relay away from the radiator.
5. Place a suitable container under the hydraulic filter
to collect the hydraulic fluid. The container should have
a 6 gal. (23 Ltr.) minimum capacity. Disconnect the hy-
draulic hose below the filter head or remove the hydraul-
ic filter element and drain the hydraulic system (Fig. 19).
6. Disconnect the coolant hoses from the radiator/oil
cooler assembly:
A. Upper radiator hose to the water pump.
B. Lower radiator hose to the engine block.
C. Coolant hose to the expansion tank.
D. Air hose to the air cleaner.
7. Disconnect the hydraulic hoses from the oil cooler
section of the radiator/oil cooler assembly:
A. Hydraulic tube from top of hydraulic fluid cooler.
B. Hydraulic hose from bottom of hydraulic fluid
cooler.
8. Remove expansion tank from the fan shroud.
9. Remove expansion tank bracket and both fan
shrouds from radiator assembly.
10.Remove flange head screws securing the top and
bottom of the radiator frame to the radiator. Remove four
carriage bolts and lock nuts securing the radiator to the
radiator frame.
11. Carefully remove radiator from the radiator frame.
12.Plug any openings to prevent contamination.
Installation
1. Remove all plugs used during the removal proce-
dures.
2. Position radiator carefully to the radiator frame.
3. Secure radiator assembly to the radiator frame with
four carriage bolts and lock nuts. Secure top and bottom
of radiator to frame with flange head screws.
4. Secure both fan shrouds to the radiator assembly
with flange head screws.
Groundsmaster 3500- D
1
1. Hydraulic filter element
2. Hydraulic filter head
5. Secure expansion tank bracket and tank to the top
fan shroud with both flange head screws and flange
nuts.
6. Connect the following hydraulic hoses to the oil cool-
er section of the radiator/oil cooler assembly:
A. Hydraulic tube to top of hydraulic fluid cooler.
B. Hydraulic hose to bottom of hydraulic fluid cooler.
7. Connect following coolant hoses to the radiator/oil
cooler assembly:
A. Upper radiator hose to the water pump.
B. Lower radiator hose to the engine block.
C. Coolant hose to the expansion tank.
D. Air hose to the air cleaner.
8. Secure glow plug relay to the radiator assembly with
both thread forming screws.
9. Make sure draincock valve in radiator is closed. Fill
radiator with coolant to the bottom of the filler neck.
10.Install engine hood to the machine. Close and latch
hood.
11. Start engine. Check for fluid leaks and proper engine
operation.
12.After running engine for a short time, stop engine and
make sure hydraulic tank is full. Add correct oil if neces-
sary.
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2
3
Figure 19
3. Hydraulic hose
Kubota Diesel Engine (Rev. G)