Toro Groundsmaster 5900 Series Service Manual page 91

Radiator Removal (continued)
Radiator Installation
Groundsmaster ® 5900 & 5910
16227SL Rev B
5. Remove the lock nut, friction washers and cap screw (item 5) securing the fan
shroud prop to the fan shroud and remove the fan shroud prop
6. Tilt fan shroud assembly toward the rear of the machine and lift the fan
shroud assembly from machine
Do not open radiator cap or drain coolant if the radiator or engine is
hot. Pressurized, hot coolant can escape and cause burns.
Ethylene−glycol antifreeze is poisonous. Dispose of coolant
properly, or store it in a properly labeled container away from
children and pets.
7. Drain radiator into a suitable container using the radiator drain. The radiator
drain is located inside the right frame rail near the rear wheel.
8. Loosen hose clamps and disconnect upper and lower coolant hoses
22 item 20 and 21) from the radiator.
9. Disconnect coolant reservoir hose (item 14) from the radiator.
10. Remove two (2) flange nuts and flange head screws (item 25) securing upper
radiator mounting brackets to the cooler mount frame.
11. Remove two (2) flange nuts, washers and cap screws (item 28) securing
lower corners of radiator to cooler mount frame.
12. Tilt radiator toward rear of machine and carefully lift the radiator from the
machine.
13. Plug all radiator and hose openings to prevent contamination.
14. Inspect all four (4) rubber isolator mounts (item 26) on radiator. Replace
isolator mounts if worn or damaged.
15. Inspect all foam seals and replace if worn or damaged.
16. Disassemble radiator assembly as needed.
1. Assemble radiator as needed. If removed, apply thread sealant to coolant
reservoir fitting and drain hose fitting
2. Remove plugs from radiator and hoses placed during the removal procedure.
3. Carefully lower radiator assembly into the machine.
4. Secure lower corners of radiator to cooler mount frame with caps screws
(item 28), washers and flange nuts.
5. Secure upper radiator mounting brackets to cooler mount frame with flange
nuts and flange head screws (item 25).
6. Connect upper and lower coolant hoses to the radiator. Orient hose clamps
as shown (Figure 22) and tighten hose clamps from 3 to 5 N·m (30 to 45
in−lb).
7. Connect coolant reservoir hose (item 14) to the radiator and secure with
hose clamp.
(Figure 23).
CAUTION
(Figure
Page 4–23 Yanmar Diesel Engine: Service and Repairs
(Figure
22).
23).
(Figure