Linhai T-Boss 550, Service Manual

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CHAPTER 3 ENGINE
T-Boss550 SERVICE MANUAL20.0
CHAPTER 3 ENGINE PAGE. 3- 128
Check thermostat pellet for cracks
Test the thermostat in the following steps:
Pass a string between thermostat flange as
illustrated on the right;
Immerse the thermostat in a beaker with water.
Make sure that the thermostat is in the suspended
position without contact to the vessel. Heat the
water by placing the beaker above a stove and
observe the temperature rise on a thermometer;
Take the temperature reading from thermometer
when the thermostat valve opens.
Thermostat Valve Opening Temperature: 68-74
℃
Keep heating the water to raise the water
temperature.
Just when the water temperature reaches the
specified value, the thermostat valve should have
been lifted by 3.5-4.5mm
Installation:
Reverse the removal procedure for installation.
Apply coolant to the rubber seal of thermostat.
Install thermostat case. Tighten to the specified
torque:
Tightening Torque: 10
N•m
3.6.7 Water Pump
3.6.7.1 Removal and Disassembly
Drain coolant
Note : Before draining coolant, check water pump for oil
or coolant leakage. In case of oil leakage, check the
water pump oil seal, O-ring. In case of coolant leakage,
check the water seal.