COOLING SYSTEM CHECK
1. Visually check each hose for cracks, and system expansion.
Make sure that the hose band clamp is not loose.
2. Perform the pressure test.
1. Remove the radiator cap, completely fill the radiator with coolant and
set a tester.
2. Warm up the engine.
2
3. Stop the engine, apply pressure of 0.9 kg/cm to the tester and check
the following points.
• Does the needle of the pressure gauge continuously point to the same
valve ?
• Is there excessive swelling in the hose?
NOTE
• When removing the tester, hot cooling water may blow out. The
operator should protect himself from a scald by using an cloth, etc.
RADIATOR
CHECKING RADIATOR CAP PRESSURE VALVE
Set a radiator cap tester on the radiator cap and ensure that the pressure
valve functions properly at the specified pressure.
Pressure valve opening pressure :
2
0.5 - 0.9 kg/cm
FIG. 1
FIG. 2
FIG. 3
SERVICE MANUAL
B-73
ITL
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