7-58
Pay careful attention particularly to the following
points when handling the truck in extremely hot
places.
Scale and rust form more easily in the cooling
system, so wash with anticorrosion liquid. Always
try to have clean and soft water circulating in the
system.
Clogging of the radiator fins is one cause of
overheating, so use air or water jets to clean the
fins. When doing this, the air nozzle must be at
right angles to the radiator.
·
Air pressure max : 2 kgf
/
cm
2
(30 psi)
Check the fan belt tension. If it is too slack, adjust the tension. (refer to the page 7-25.)
In case of overheating, do not stop the engine immediately.
Run the engine at low idling.
Open the hood to ventilate the engine compartment.
When the water temperature drops, stop the engine.
Check the cooling water level. If it is low, add more water.
Wear safety glasses and a face shield when using compressed air. Never touch the surge
Wear safety glasses and a face shield when using compressed air. Never touch the surge
tank cap while the engine is hot. Steam may spurt out. Wait until the water temperature
tank cap while the engine is hot. Steam may spurt out. Wait until the water temperature
drops. It is extremely dangerous to try to check the fan belt tension while the engine is
drops. It is extremely dangerous to try to check the fan belt tension while the engine is
running. When inspecting the fan belt or other moving parts, or near such parts, always stop
running. When inspecting the fan belt or other moving parts, or near such parts, always stop
the engine first.
the engine first.
1)
2)
3)
4)
(1)
(2)
(3)
(4)
Radiator
Compressed
air gun
250D9OM164
11.
11. HANDLING TRUCK IN EXTREMELY HOT PLACES
HANDLING TRUCK IN EXTREMELY HOT PLACES