JAC Trucks. Service manual — part 133

22

tion switch. The first position turns
on the parking lights, sidelights,
taillights and instrument panel
lights. The second position turns
on the headlights.
High-beam and Low-beam
To turn on the headlight high
beams, push the lever upward. For
low beams, pull the lever down.
The appropriate headlight beam in鄄
dicator light will come on at the
same time.

Passing switch

The headlights will be flashed
when the lever is pushed upward
and release automatically. The
headlights can be flashed even
though the headlight switch is in
the "OFF" position.
WINDSHIELD WIPER
The windshield wiper switch has
three positions:
INT: Intermittent wiper operation
LO : Low-speed operation

HI : High-speed operation

NOTE:
This function is operated when
the headlight switch is in the "
ON" position.

NOTE:
To prevent damage to the wiper
system, do not attempt to wipe
away heavy accumulations of
snow or ice.
Accumulated snow and ice
should be removed manually, If
there is only a light layer of snow
or ice, operate the heater in the
defrost mode to melt the snow or
ice before using the wiper.

INSTRUMENTS & CONTROLS

23

WINDSHIELD WASHER OPER鄄
ATION

To use the windshield washer,
press in on the button on the end
of the wiper/washer lever. When
the washer button is pressed, the
wipers automatically make two
passes across the windshield, And
the windshield wiper is operated 2
to 3 times at the same time, The
washer continues to operate as
long as the button is depressed.

EXHAUST BRAKE SWITCH

To use the exhaust brake, put the
"ON" position. The exhaust brake
operates when you remove your
foot from the accelerator pedal and
the clutch pedal. The exhaust
brake will not operate automatically
if you operate the accelerator ped鄄
al or the clutch pedal.
Use exhaust brake when going
down a slope.
HAZARD WARNING

The hazard warning lamp should

CAUTION:
荫 Do not use the wiper when
the windshield is dry.
荫 The washer button should
not be pressed if the washer
reservoir is empty. This can
damage the washer fluid pump.
Do not operate the washer for
more than 15 seconds at a
time.

24

be used whenever you find it nec鄄
essary to stop the car in a haz鄄
ardous location. When you must
make such an emergency stop,
always pull off the road as far as
possible.
The hazard warning lights are
turned on by pushing in on the
hazard switch . This causes all turn
signal lights to blink. The hazard
warning lights will operate even
though the key is not in the ignition.
To turn the hazard warning lights
off, push in on the switch a second
time.
FOG LAMP SWITCH

Use the fog lamp when you go
through the foggy area. Use the
fog lamp rotating the multiuse lever
to 1 step when you are not able to
see well due to fog. While operat鄄
ing this switch, clearance lamp, tail
lamp, licence plate lamp, instru鄄
ment lamps will come on at the
same time.
Press the switch one more and the
fog lamp will turn off
WORKING LIGHT SWITCH

There is a terminal for the work
switch in the right side of the bat鄄
tery box.
When the switch is turned to "ON",
you can use a light by connecting
a terminal of the light to the termi鄄
nal of the work switch.
(If you want to use a light, you
should prepare the light and its
terminal)

INSTRUMENTS & CONTROLS

Depress the switch to heat the rear
view mirror glass. The rear view
mirror glass will be heated for de鄄
frosting or defogging and will give
you improved rear view in all
weather conditions. The outside
rear view mirror heater automatical鄄
ly turns itself off after approximate鄄
ly 15 minutes.

STEERING WHEEL & HORN

our JAC is equipped with integral
styled steering wheel. The horn
button is located on the center of
the wheel.
The horn sounds when the horn
button is pressed firmly.
STARTING THE ENGINE IN
WINTER
In cold winter , when the ignition
switch is turned to the ON position
then the amber lamp

will come

on. Hold the switch there and wait
until the lamp is off. Start the en鄄
gine.
AIR HEATING SYSTEM
The air heating system warms the
intake air up in order to start the
engine well and decrease white
fume is emitted through the ex鄄
haust pipe in winter.
When the ignition key is turned to
the ON position, the system is op鄄
erated automatically.
If the

lamp is turned on when

turning the ignition key to the ON
position, wait until the lamp is off.
And start the engine.

25

OUTSIDE REAR VIEW MIRROR
HEATER (If installed)

PARKING

BRAKE

(EXCEPT

TRACTOR, PULL CARGO)
Always engage the parking brake
before leaving the vehicle. This al鄄
so turns on the parking brake indi鄄
cator light when the key is in the "
ACC" or "ON" position. Before driv鄄
ing away, be sure that the parking
brake is fully released and that the
indicator light is off.
荫 To engage the parking brake,
pull the lever up.
荫 To release the parking brake,

pull up and press thumb button.

Full air brakes
The full air brake vehicles are e鄄
quipped with an emergency brake.
Should the compressed air pres鄄

sure fall below 2.7 kgf/crn2
(265kPa), spring operated emer鄄
gency brake is automatically ap鄄
plied to the rear wheels. On trac鄄
tors, service brakes are applied to
the trailer as well.
INTERIOR LIGHT
The interior courtesy lights has two
buttons.
The two buttons are:
In the "

" position, the interior

courtesy light

comes on when

any door is opened regardless of
the ignition key position.
In the position, the light stays on at
all times.

26

CAUTION:
If the

lamp blinks, the air

heating relay may be damaged
or a fuse blown, Check and re鄄
place it.

NOTE:
The buzzer may sound when
the parking brake Is released.
(ONLY TRACTOR, PULL CAR鄄
GO) If the buzzer sounds, have
the brake system checked as
follows:
荫 Check the air pressure in the
air reservoir.
荫 Check the oil leaks from
brake system.
荫 Check the clearance of
brake shoes.

INSTRUMENTS & CONTROLS

27

Map Light

The two map lamp switches are
located on both sides of the interi鄄
or light.Push in the map light
switch to turn the light on or off.
Reading Light
The two reading light has two but鄄
tons which located each side of in鄄
terior light.
Sleeper light

The three positions are:
荫 DR (荫)
In the middle position (荫), the in鄄
terior courtesy light comes on
when any door is opened regard鄄
less of the ignition key position.
The light goes out when the door is
closed.
荫 ON
In the "ON" position, the light stays
on at all times.
荫 OFF

In the "OFF" position, the light stays
off at all times even though a door
is open.
Front door step warning light

A yellow light comes on when the
front door is opened. The purpose
of this light is to assist when you
get on or off and also to warm
passing vehicles.

HOOD RELEASE

Pull the release knob to open the
hood. The hood will spring up
slightly. In front of the vehicle, lift
the hood. The hood will open
completely by itself after it raised
about halfway. To close the hoed,
lower and press down on it.After
closing the hood, try pulling it up
to make sure it is securely closed.

DIGITAL CLOCK

There are five control buttons for
the digital clock. Their functions
are:
HOUR - Push "H" to advance the
hour indicated.
MIN - Push "M" to advance the

minute indicated.
RESET- Push "R" to reset minutes
to ":00" to facilitate resetting the
clock to the correct time. When this
is done:
Pressing "R" between 10:30 and
11:29 changes the readout to 11:
00. Pressing "R" between 11:30
and 12:29 changes thereadout to
12:00.
ALARM - In state of holding the
alarm button, push "H" or "M".
STOP- To stop the alarm, push the
"ST" button.
CENTER CONSOLE

28

CAUTION:
The hood should be keep
closed when the car is in mo鄄
tion.

INSTRUMENTS & CONTROLS

1.GEARBOX HANDLE
The select lever is marked on the
gearbox handle so that the driver
can control the speed of the truck
convenietly.Be sure to the select
lever position right before shift the
gear shift lever, else will lead to a
wrong operation and the truck
cann't run steadly.
2. CIGARETTE LIGHTER
For the cigarette lighter to work,
the key must be in the "ACC" posi鄄
tion or the "ON" position.
To use the cigarette lighter, push it
all the way into its socket. When
the element has heated, the lighter
will pop out to the "ready" position.
Do not hold the cigarette lighter
pressed in. This can damage the

heating element and create a fire
hazard.
If it is necessary to replace the
cigarette lighter, use only a gen鄄
uine JAC replacement or its ap鄄
proved equivalent.
3. ASHTRAY
The ashtray may be opened by
pushing and releasing the ashtray
door at its top edge. To remove
the ashtray in order to clean it, the
metal ash receptacle should be re鄄
moved from the ashtray door. Do
not attempt to remove the entire
ashtray door assembly or damage
will result. Instead, push the metal
ash receptacle down and forward
in the ashtray door, and it can then
be lifted out. To reinstall it, place it

in the proper position and press it
down and forward to reengage the
ash receptacle rear lip in the ash鄄
tray door. The ashtray lamp will on鄄
ly illuminate when the exterior body
lights are switched on.
4. TEABOX
5. CONSOLE

OVERHEAD CONSOLE

29

NOTE:
Pressure

of

the

electrical

source at down of assistant
driver's dashboad is 24 V.