JAC Trucks. Service manual — part 7

OVERHEAD CONSOLE
The overhead console is located in the interior ceiling.

FLOOR CONSOLE
The floor console is located between driver's and passenger's seat for addi鄄
tional storage.

NOTE:
Keep it in the closed position while driving.

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50

BED TEMPERATURE ADJUSTABE KNOB (If installed)
If the knob is turned clockwise the bed temperature increases, and if it is
counterclockwise, the temperature decreases

POWER OUTLET (If installed)
This supplies 12V electric power by converting 24V of the battery into 12V and
it makes be able to operate various accessories or equipment for 12V.

CAUTION院
Be careful to use the outlet under the lower panel of the passenger's side be鄄
cause it supplies24V

OWNER爷S MANUAL

JAC HEAVY DUTY TRUCK

HEATING AND VENTILATION
Rotary Type (If installed)
There are four controls for the heating and cooling system. They are:
1. Air Flow Control.
This is us ed to direct the flow of air. Air can be directed to the floor, dash鄄
board outlets, or windshield. Five symbols are used to represent Face, Bi -
Level, Floor, Floor-Defrost and Defrost air positions.
2. Air Intake Control.
This allows you to select fresh outside air or to circulate inside air.
3. Temperature Control.
This is used to select the degree of heating desired.
4. Fan Speed Control.
This is used to turn the fan on and select the fan speed.

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SUNVlSOR
Your JAC is equipped with two sunvisors to give the driver and passenger ei鄄
ther frontal or side ward shade. The sunvisors are fitted on both sides on
standard models. To reduce glare or to shut out direct rays of the sun, turn the
sunvisor down to block the annoyance.
Some vehicles are equipped with the front andside sunvisors for the driver,
and the front sunvisor for the passenger.
CAUTION:
Do not place the sunvisor in such a manner that it obscures visibility or the
roadway, traffic or other objects.

AIR SPRAY NOZZLE
Seperate the spray nozzle plug under the dash panel of passanger side and
connect the air hose with this plug. Then you can clear your vehicle with air
spray.

52

OWNER爷S MANUAL

JAC HEAVY DUTY TRUCK

AIR INTAKE CONTROL
This is used to select fresh outside air or recirculation inside air.

Fresh
Recirculation

To change air intake control mode, (Fresh mode Recirculation mode) push the control button.
FRESH MODE (

): The indicator lamp on the button goes out when the air intake control is fresh mode.

RECIRCULATION MODE (

): The indicator lamp on the button is illuminated when the air intake control is recircu鄄

lation mode.
With the "fresh" mode selected, air enters the vehicle from outside and is heated or cooled according to the other func鄄
tions selected.
With the "fresh" mode selected, air from within the passenger compartment is drawn through the heating system and
heated or cooled according to the other functions selected.

NOTE:
It should be noted that prolonged operation of the heating system in "recirc" mode will give rise to misting of the wind鄄
shield and side windows and the air within the passenger compartment becoming stale. In addition prolonged use of the
air conditioning with the "Recirculate" mode selected may result in the air within the passenger compartment becoming
excessively dry.

55

AIR FLOW CONTROL
This is used to direct the flow (of air. Air can be directed to the floor, dashboard outlets, or windshield. Five symbols are
used to represent Face,Bi-Level, Floor, Floor-Defrost and Defrost air position.

Face-Level

Selecting the "Face" mode will cause air to be discharged through the face level vents.

Bi-Level

Air is discharged through the face vents and the floor vents.

Floor-Level

Air is discharged through the floor vents.

Floor-Defrost Level

Air is discharged through the windshield defrost vents and the floor vents.

Defrost-Level

Air is discharged through the windshield defrost vents.

x

54

OWNER爷S MANUAL

JAC HEAVY DUTY TRUCK

AIR CONDITIONING (If installed)
Air Conditioning Switch
The air conditioning is turned on by pushing the button.

AIR CONDITIONING OPERATION
Cooling
To use the air conditioning to cool interior:

荫

Turn on the fan control switch.

荫

Turn on the air conditioning switch by pushing in on the switch. The air con鄄

ditioning indicator light should come on at the same time.

荫

Set the air intake control to "Recirculation".

荫

Set the temperature control to "Cool". ("Cool" provides maximum cooling.

The temperature may be moderated by moving the control toward "Warm".)

荫

Adjust the fan control to the desired speed.

For greater cooling, turn the fan control to one of the higher speeds or tem鄄
porarily select the "Recirc' position on the air intake control.

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FAN SPEED CONTROL(BLOWER CONTROL)
This is used to turn the blower fan on and off and to select the fan speed.
The blower fan speed, and the volume of air delivered from the system, may be controlled manually by setting the blow鄄
er control between the "1" and "4' position.
Heating controls
1. For normal heating operation, set the air intake control to the "Fresh" position and the air flow control to 'Floor".
2. For faster heating, the air intake control should be in the 'Recirculation" position.
3. If the windows fog up, set the air flow control to the 'Def" (defroster) position and the air intake control to "Fresh".
4. For maximum heat, move the temperature control to "Warm".
BI-LEVEL HEATING
Your JAC is equipped with bi-level heating controls. This makes it possible to have cooler air from the dashboard vents
and warmer air from the floor outlets at the same time. To use this feature:
1. Set the air flow control at the "Bi-Level" position.
2. Set the temperature control between "Cool" and "Warm".
3. Adjust the fan speed control to the desired speed.
VENTILATION
To operate the ventilation system:
1. To direct all intake air to the dashboard vents, set the airflow control to "Face".
2. Set the temperature control between "Cool' and "Warm".
3. Adjust the fan speed control to the desired speed.

OWNER爷S MANUAL

JAC HEAVY DUTY TRUCK