81
10-5 System Test
Test on the filler cap
Hermetically seal the filler cap, apply water and
pressure to the filler cap. Replace it with new one
if found failing to maintain the specified pressure
within a given time limit, or the opening pressure
is too high or too low. The specified pressure shall
be maintained at least for 6 seconds in the test
Relief pressure for the filler cap: 0.9-0.15
kgf/cm
2
Apply pressure to the radiator, engine and water hose
to check for any leakage
Caution
If the system fails to maintain the specified pressure for at
least 6 seconds, repair or replace parts
Change of coolant
Warning
Remove the front center cover, and then remove
filler cap.
Place a water pan under the water pump; loosen
the drain bolt to drain out the coolant.
Reinstall the drain bolt.
Refilling system with coolant and bleeding the air
bubbles.
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Run the engine, and remove by-pass pipe.
·
·
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·
Check by-pass hole whether has the air bubble
to emit.
·
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·
If emits without the air bubble, only has the
coolant to flow out, then backflow pipe joint on,
engine flameout.
·
·
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Remove radiator filler cap.
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Starts the engine, inspects does not have the
Pressure which is too high may damage the
radiator. Never use pressure which exceeds 1.05
kg/cm
2
Never attempt to carry out service work on the
cooling system unless the engine is completely
cooled down, otherwise, you may get scalded
RESERVE TANK CAP
RADIATOR CAP
Summary of Contents for ATV300
Page 79: ...79 10 4 Trouble Diagnosis for Cooling System...
Page 80: ...80...
Page 103: ...103...
Page 108: ...108 15 2 POOR PERFORMANCE AT LOW AND IDLE SPEEDS 15 3 POOR PERFORMANCE AT HIGH SPEED...
Page 109: ...109 15 4 LOSS POWER...
Page 110: ...110 15 5 POOR HANDLING...
