.
MAINTENANCE
SERVICE PROCEDURE
REPLACE BELT
1.
Loosen 4 bolts (1) and jack bolt (2), then move compressor (3)
to the side.
2. Replace the V-belt.
When adjusting the V-belt, do not push the compressor
directly with the bar. Use jack bolt (2).
3. Tighten jack bolt (2) and bolts (1), and apply tension to the
V-belt. The standard deflection for the belt is approx. 10 mm
(0.4 in) when pressed with a finger force of approx. 58.8N (6
kg) at a point midway between the air conditioner compressor
pulley and fan pulley.
CHECK LEVEL OF REFRIGERANT(GAS)
WARNING
If the refrigerant used in the air conditioner gets into your eyes or on your
hands, it may cause loss of sight or frostbite. Do not touch the refrigerant.
Never loosen any part of the refrigerant circuit.
Do not bring any flame close to any point where the refrigerant gas is
leaking.
If the level of the refrigerant (gas) is low, the cooling effect will be
reduced. Run the engine at high idling, and check the flow of the
refrigerant in the refrigerant circuit through the sight glass of the
receiver (1) when the cooler is running at high speed.
No bubbles in refrigerant flow: Suitable
Some bubbles in flow
(bubbles pass continuously): Lack of refrigerant
Colorless, transparent: No refrigerant
REMARK
When there are bubbles, the refrigerant gas level is low, so
contact your refrigerant dealer to have refrigerant added. If the
air conditioner is run with the refrigerant gas level low, it will
cause damage to the compressor.
New R134a is used as the refrigerant.
OPERATING AIR CONDITIONER OFF-SEASON
Even during the off-season, operate the air conditioner for 3 to 5 minutes once a month to maintain the oil film at all
parts of the compressor.
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