49
Oil Cooler (400)
KC0083
NOTE: Dirt and debris must be
cleaned from the cooling fins regu-
larly to ensure proper engine oil
cooling.
NOTE: High engine RPM, low vehi-
cle speed, or heavy load can raise
engine temperature. Decreasing
engine RPM, reducing load, and
selecting an appropriate transmis-
sion gear can lower the temperature.
Liquid Cooling System
(500)
NOTE: Debris in front of the
engine or packed between the cool-
ing fins of the radiator can reduce
cooling capability. Using a garden
hose, wash the radiator to remove
any debris preventing air flow.
The cooling system capacity can be
found in the specifications chart. The
cooling system should be inspected daily
for leakage and damage. If leakage or
damage is detected, take the ATV to an
authorized Arctic Cat ATV dealer for ser-
vice. Also, the coolant level should be
checked periodically.
NOTE: High engine RPM, low vehi-
cle speed, or heavy load can raise
engine temperature. Decreasing
engine RPM, reducing load, and
selecting an appropriate transmis-
sion gear can lower the temperature.
When filling the cooling system, use a
coolant/water mixture of 60/40 or a cool-
ant/water mixture which will satisfy the
coldest anticipated weather conditions of
the area in accordance with the coolant
manufacturer’s recommendations. While
the cooling system is being filled, air
pockets may develop; therefore, run the
engine for five minutes after the initial
fill, shut the engine off, and then fill the
cooling system to the bottom of the stand
pipe in the radiator neck.
Checking/Filling
1. Locate the coolant reservoir on the
right side behind the radiator.
KC338B
CAUTION
Continued operation of the ATV with
high engine temperature may result
in engine damage or premature wear.
CAUTION
Arctic Cat does not recommend
using a pressure washer to clean the
radiator core. The pressure may bend
or flatten the fins causing restricted
air flow, and electrical components
on the radiator could be damaged.
Use only a garden hose with spray
nozzle at normal tap pressure.
CAUTION
Continued operation of the ATV with
high engine temperature may result
in engine damage or premature wear.
! WARNING
Only check/fill the cooling system
when the engine is cold.
Summary of Contents for ALTERRA 400
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