User Guide

12. COOLING SYSTEM
12-17
YUP 25 0
THERMOSTAT INSPECTION
Suspend the thermostat in a pan of water
over a burner and gradually raise the water
temperature to check its operation.
Technical Data
Begins to open
80±2℃
Full-open
90℃
Valve lift
3.5_ 4.5mm
THERMOSTAT INSTALLATION
The installation sequence is the reverse of
removal.
Fill the cooling system with the specified
coolant. (
!
3-9)
• Do not let the thermostat touch the pan
as it will give a false reading.
• Replace the thermostat if the valve
stays open at room temperature.
•Test the thermostat after it is opened
for about 5 minutes and holds the
temperature at 70℃ .
＊
O-ring
Thermosensor
Replace the O-ring with a new one and
apply grease to it.
＊
Thermostat
Thermometer
Thermostat
Water Hose
Air Vent Tube
Bolt
Thermosensor Wire