S-19
WG972-E2, DF972-E2, WSM
GASOLINE / LPG ENGINE
CAUTION
•When removing the radiator cap, wait at least ten minutes after the engine has stopped and cooled down.
Otherwise, hot water may gush out, scalding nearby people.
Radiator Cap Air Leakage
1. Set a radiator tester (1) and an adaptor (2) on the radiator cap.
2. Apply the specified pressure (88 kPa, 0.9 kgf/cm
2
, 13 psi), and
measure the time for the pressure to fall to 59 kPa (0.6 kgf/cm
2
,
9 psi).
3. If the measurement is less than the factory specification, replace
the radiator cap.
W1054156
Radiator Water Leakage
1. Pour a specified amount of water into the radiator.
2. Set a radiator tester (1) and an adapter (2) and raise the water
pressure to the specified pressure.
3. Check the radiator for water leaks.
4. For water leak from the pinhole, repair with the radiator cement.
When water leak is excessive, replace the radiator.
W1016903
Pressure falling time Factory spec.
More than 10 seconds
for pressure fall from
88 to 59 kPa
(from 0.9 to 0.6 kgf/cm
2
,
from 13 to 9 psi)
(1) Radiator Tester (2) Adaptor
Radiator water leakage
test pressure
Factory spec.
157 kPa
1.6 kgf/cm
2
23 psi
(1) Radiator Tester (2) Adaptor
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