Arctic Cat 650 Twin2004, Руководство по обслуживанию

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4-14
Hoses/Thermostat
REMOVING
1. Remove the front rack and fenders; then remove
the center splash shield.
2. Drain the cooling system down approximately 1
quart.
3. Remove the cap screws securing the thermostat
housing to the mounting bracket; then remove the
remaining two cap screws and separate the
housing and cover.
KX193A
4. Remove the thermostat and account for the seal.
INSPECTING

NOTE: Whenever a part is worn excessively,
cracked, or damaged in any way, replacement is
necessary.
1. Inspect the thermostat for corrosion, wear, or
spring damage.
2. Using the following procedure, inspect the
thermostat for proper operation.
A. Suspend the thermostat in a container filled
with water.
B. Heat the water and monitor the temperature
with a thermometer.
C. The thermostat should start to open at
69.5-72.5°C (157-162°F).
D. If the thermostat does not open, it must be
replaced.
3. Inspect all coolant hoses, connections, and clamps
for deterioration, cracks, and wear.

NOTE: All coolant hoses and clamps should be
replaced every four years or 4000 miles.
INSTALLING
1. Place the thermostat and seal into the thermostat
housing; then finger-tighten the thermostat
housing to the mounting bracket with the two cap
screws.
2. Install the remaining two cap screws; then tighten
the four cap screws to 0.9 kg-m (78 in.-lb).
3. Fill the cooling system (2.7 L or 2.8 U.S. qt) with
antifreeze. Check for leakage.
4. Install the center splash shield; then install the
fenders and front rack.
Fan
REMOVING
1. Remove the radiator (see Radiator in this section).
2. Remove the fan assembly from the radiator.
CC862
INSTALLING
1. Position the fan assembly on the radiator; then
secure with existing hardware.

NOTE: The fan wiring must be in the upper-right
position.
2. Install the radiator (see Radiator in this section).