ENGINE
M6060, M7060, WSM
1-S16
Thermostat Valve Opening Temperature
1. Push down the thermostat valve and insert a string between the
valve and the valve seat.
2. Place the thermostat and a thermostat in a container with water
and gradually heat the water.
3. Hold the string to suspend the thermostat in the water. When
the water temperature rises, the thermostat valve will open,
allowing it to fall down from the string.
Read the temperature at this moment on the thermometer.
4. Continue heating the water and read the temperature when the
valve has risen by about 8 mm (0.315 in.).
5. If the measurement is not acceptable, replace the thermostat.
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(4) Turbocharger
Exhaust Gas Leakage of Turbine Side
1. Examine the exhaust port (3) and the inlet port (5) side of the
turbine housing (1) for exhaust gas leakage.
2. If you find a gas leakage, tighten the screws and nuts again or
replace the gasket (2) / (4) / (6) with a new one.
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Air Leakage of Compressor Side
1. Examine the inlet hose (1) of the compressor cover (3) for air
leakage.
2. Examine the suction side of the inlet hose for loose connections
or cracks.
3. If you find an air leakage, change the clamps (2) and / or the
inlet hose.
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Radial Clearance
1. If the wheel touches the housing, replace the turbocharger
assembly with a new one.
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Thermostat's valve
opening temperature
Factory specification
74.5 to 78.5 °C
166.1 to 173.3 °F
Temperature at which
thermostat completely
opens
Factory specification
90 °C
194 °F
(1) Turbine Housing
(2) Gasket
(3) Exhaust Port
(4) Gasket
(5) Inlet Port
(6) Gasket
(1) Inlet Hose
(2) Clamp Band
(3) Compressor Cover
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