GENSET AND BATTERY PACK
4222983 Second Edition 3-17
3
24. Move fan shroud (39) toward engine enough to clear
the radiator (35).
25. Remove radiator screen (45).
26. Remove radiator (35).
Installation
1. With the lower radiator hose removed from radiator,
flush the inside of the radiator with fresh water.
2. Install radiator by reversing the order of removal.
CAUTION
3. Fill radiator with a 50/50 mixture of good quality
ethylene glycol-base antifreeze and clean, fresh
water.
4. Install radiator cap and start the engine following the
instructions in the “Safety and Operation Manual.”
CAUTION
5. When the engine reaches normal operating
temperature, check and fill the coolant reservoir to
the hot full level.
Thermostat (Diesel)
Removal and Installation
See Figures 3-24 and 3-25.
1. Park the mower safely. (See “Park Mower Safely” on
page 1-6.)
2. Allow the engine to cool completely.
3. Raise the hood.
WARNING
4. Drain cooling system, 3 qt (2.8 L). Open petcock
located on bottom of radiator, remove radiator cap,
and drain coolant into a clean container.
Figure 3-24
5. Cut cable tie (3).
6. Loosen hose clamp (4) and remove hose (5).
7. Remove nut (1) and washer (2).
Always use a mixture of antifreeze and fresh
water in the engine cooling system. Normally a
50/50 coolant mixture will provide freeze
protection to -37°F (-38°C) and boil-over
protection in an efficient cooling system.
Allow the engine coolant to completely cool
before removing the radiator cap. Hot coolant
sprayed from the cap can cause serious personal
injury.
Never remove the radiator cap when the coolant
is hot. The engine must be shut down and cooled
before the radiator cap is removed. Very hot
coolant will be sprayed from the radiator if the
cap is loosened before the engine has cooled.
Serious personal injury can occur.
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