Controls - Cab
3-37
3
P/N 6525032M1 - X6
Setup with manual air conditioner
- Fig. 3-70
Use knob (3) to adjust the temperature of the hot air,
decreasing or increasing the circulation of fluid from the
engine.
• Knob (3) turned anticlockwise to shut off hot air circu-
lation
• Knob (3) turned clockwise for max. heating inside the
cab
The knob (1) is used to adjust the speed of the fan send-
ing air into the cab.
• Knob (1) on 0, fan off
• Knob (1) on 3, fan at max. speed
Setup with cab air conditioning
(Fig. 3-70)
Use the knob (2) to activate the air conditioning system
in the cab.
The air conditioning system is operating when the ignition
key is on the contact position (Key On). Turn the fan knob
(1) to the required speed, then turn knob (2) clockwise to
position 1 to turn on the conditioner. Turn the fan knob
(1) further until the required air temperature is reached.
To let air flow into the cab, turn by hand the fins of the
vents on the cab roof.
Air re-circulation in the cab is automatic, through the vents
mounted on the cab ceiling.
CAUTIONS:
The air conditioner will not operate when the engine
is at a standstill as the compressor is operated by the
engine itself.
Make sure that the air conditioner control is in the off
position before starting the engine.
Always turn on the electric fan before operating the
air conditioner.
The conditioner cannot operate when the electric
fan is off.
WARNING: If the tractor is to remain unused for a long
period of time, or if the system is not used, remember
to allow the air conditioner to operate for about 15
minutes each week. This precautionary measure pre-
vents gas from leaking from the compressor.
Use of the air conditioning system
(Fig. 3-70)
To operate the air conditioner, the blower must be on. The
Fig. 3-70
blower speed, temperature control and all vents must
be adjusted to obtain the best cooling for the ambient
temperature and dust conditions. Under normal operating
conditions, and with the windows and doors closed, tem-
peratures in the cab of 6°C÷15°C less than the ambient
temperature will occur. When operating the air conditioner
system, the moisture level is decreased.
NOTE:During cold weather, with ambient temperature
above 0°C, operate the air conditioner at least once per
month, for a period of 10 to 15 minutes. This operation is
useful to lubricate gaskets and helps to prevent leaks of
cooling fluid.
NOTE:The system is provided with safety devices to pro-
tect the system for low refrigerant level and restrictions in
the system. If the air conditioner stops operating while the
tractor is running, ask your Argo Tractors Dealer for help.
NOTE: The air conditioning system is equipped with an
environmentally safe refrigerant, HFC-R134a. Never re-
charge the air conditioning system with refrigerant other
than HFC-R134a as this will result in loss of cooling and
permanent damage to all air conditioning components.
Starting: with the engine and fan running, turn the knob
(2) clockwise to position 1 to operate the air conditioner.
Stopping: before turning the engine off, always stop the
air conditioner by turning the knobs (2) and (1) to the stop
position 0.
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