Thermostat - Suzuki DF 40 Service Manual

THERMOSTAT

REMOVAL
• Disconnect water hose
• Remove the four (4) bolts
then remove the cover
INSPECTION
• If salt deposits, corrosion, wear or other damage is found,
clean or replace.
• Thermostat operation
Check thermostat opening temperature as follows :
• Insert a length of thread between thermostat valve / body
and suspend thermostat in a container filled with water.
• Place thermometer in container and heat water.
Observe water temperature when thermostat valve opens
and releases thread.
Thermostat operating temperature
Standard : 48 – 52 ° ° ° ° ° C (126 – 134 ° ° ° ° ° F)
INSTALLATION
Installation is reverse order of removal with special attention to
the following steps.
• Assemble thermostat
to cylinder head block and secure with bolts.
Thermostat cover bolt : 10 N . m (1.0 kgf-m, 7.2 Ib.-ft.)
from thermostat cover.
securing the thermostat cover,
and thermostat .
, gasket and thermostat cover
POWER UNIT 6-64
Thermometer
Heater