S250 Bobcat Loader
PM-20 Operation & Maintenance Manual
ENGINE COOLING SYSTEM
Cleaning The Cooling System
WARNING
Wear safety glasses to prevent eye injury when any
of the following conditions exist:
• When fluids are under pressure.
• Flying debris or loose material is present.
• Engine is running.
• Tools are being used.
W-2019-1285
Check the cooling system every day to prevent
over-heating, loss of performance or engine damage.
Remove the rear grill. (See REAR GRILL on
Page PM-15.)
Figure PM-33
Use air pressure or water pressure to clean the top of the
oil cooler [Figure PM-33].
Figure PM-34
Raise the overflow tank slightly and remove the two
fasteners (Inset) [Figure PM-34].
NOTE: Be careful when raising and lowering the oil
cooler so that the oil cooler does not fall on
the radiator and damage the fins.
Raise the oil cooler and use air pressure or water
pressure to clean the top of the radiator [Figure PM-34].
Lower the oil cooler, install the fasteners and lower the
overflow tank.
Check the cooling system for leaks.
Figure PM-35
NOTE: All access covers (Item 1) [Figure PM-35]
(both sides) must be in place to ensure
correct air flow through the oil cooler which
will ensure cooling for engine and hydraulic
system.
P-34869
P-34867
P-34868
P-34870
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