WELCOME TO
DTC
TRAIN THE TRAINER
PROGRAM
( FOR DRIVER )
1ST TENDER BUSES
1623 CNG LOW ENTRY -HCBS
HCBS
Driving Controls
Driving Controls
Steering Lock cum Ignition Switch:
• Located on the Steering Column having following
positions• “START”
START - Engine starting position
position.
• “ON” – Normal operating position when all
electrical systems are “ON”.
• “ACC”– Under this position, Radio and other
accessories can operate
operate, but the engine is off
off.
• “LOCK” – Normal parking position. Remove key
under this position only.
• CAUTION:
• Do
D not h
hold
ld the
h key
k in
i the
h “START” position
ii
for
f
more than 15 seconds
• Do not leave the ignition switch in the “ON”
position if the engine is not running.
• WARNING:
• Never remove the key, while the bus is in motion.
• Always remove the key when parked to prevent
un-intentional operation
p
of the vehicle.
Driving Controls
Gear Shift Selector:
•
•
•
•
•
•
•
•
•
The Gear shift lever is mounted on the Dash
board control panel on left side of the driver.
Th
There
are 4 forward
f
d gears, one reverse gear and
d
1 auto mode.
The LCD panel mounted on the gear shift unit
displays the currently engaged gear and also
the fault codes. The shift selector is used by the
Driver to select the following ranges:
R ( Reverse )
N ( Neutral )
D ( Drive )
3 ( Third Range )
2 ( Second Range )
1 (First Range )
Ranges are selected by moving the lever to the
desired selector position (R, N, D,3,2 , 1)
Driving Controls
Pedals & Parking Brake:
•
Brake Pedal (1) –Press the brake pedal slightly
to activate Retarder. Further press the brake
pedal for activating service brake.
• Accelerator Pedal (2) – Press the Accelerator
pedal to increase power output and speed.
• Parking
P ki Hand
H d brake
b k valve
l (3) – Use
U when
h the
h
vehicle is to be parked.
• It has two position ON/OFF
NOTE:
(ON) For apply parking brake pull the knob and
bring the lever downward.
downward
(OFF) For releasing the parking brake pull the
knob and take the lever upward fully and
release the knob for locking
g the leaver please
p
ensure that the lever is locked in off position
3
1
1
2
Driving Controls
Chassis Switches on dash board:
1. Kneeling both switch :
For kneeling the bus – Front & Rear
1
2
3
4
2. Alarm / Call bell re-set switch :
This switch on operation re-sets the Alarm / call
bell.
3. Retarder On switch:
5
6
9
10
7
8
This switch is to be used for
operation of retarder.
4. Engine Lamp switch :
For lighting the engine area.
area
5. Rear Fog lamp switch:
For switching on Rear Fog lamp
11
12
Driving Controls
6 Kneeling Rear switch :
6.
For kneeling the bus - Rear side
1
2
3
4
7. Check ABS switch :
This is an ABS blink-code switch, which
on pressing indicates fault codes through
ABS warning lamp
lamp. on the dash board.
board
8. Check Engine switch:
On pressing
O
i this
thi switch,
it h fault
f lt codes
d ,if
if any,
can be known through flashing of engine
warning lamp on the dash board.
9 Front
9.
F
t Fog
F
lamp
l
switch
it h :
For switching on Front Fog lamp
10. Kneeling Front switch :
For kneeling the bus - Front
5
6
9
10
7
11
8
12
11. Engine shut down over ride switch:
When the engine stop indicator glows and
engine shuts down due to any major fault
in the engine
engine, this switch is to be pressed
to run the engine in limp home mode and
to bring the vehicle to the workshop
1
2
3
4
for attending the complaint.
12. Battery cut-off switch :
Battery is connected to the starter motor and
other circuits through the isolator switch. This
is to be switched off while carrying out any
work on the vehicle and also when the vehicle
is parked for a long duration.
5
6
9
10
7
11
8
12
Driving Controls
1. Interior Lamp in two
stages
2. Driver Lamp
3. Destination Board
System ON / OFF
4. Stop Request Reset
5.
Driver Fan
6&7. Dummy
8 Disable
8.
Di bl Rear
R
Leaf
L f off Front
F
Door
D
9. Front Door OPEN / CLOSE
10. Rear Door OPEN / CLOSE
11. Both Doors CLOSE
6
7
12. Emergency Door System Reset
13. Emergency pull knob –
Disable Pneumatic door operation
and enable Manual operation
14 Destination Board Control Unit
14.
13
14
Driving Controls
Combi switch:
• Combi switch is mounted on steering column. It has 2
levers. One lever is for operating turn signals, head
lamps, parking lamps .
• Head lights
• Position 1 - Low beam
• Position 2 - High beam
• Position 3 - High beam (flash)
Turn signals
• Position 4 - Turn signal right
• Position 5 - Turn signal left
• Self cancellation turn signal arrangement is provided.
When turn signal is used
used, this lever will return to neutral
position on its own when steering wheel is brought back
to straight ahead position.
•
Note :
• High beam flash (No. 3 position)
• High beam will be ‘ON’ as long as lever is held in position
'3' irrespective of the knob position. This is spring loaded
position and can be used in day time for giving signal to
on coming traffic.
Driving Controls
Li ht
Lights
•
Lights are operated by turning the knob of this lever as
indicated below
First notch (PL position)
• Parking lights, instrument panel lights, number plate lights,
control backlights
g
and top
p marker lights
g
are switched ‘ON’.
Second notch (HL position)
• In addition to parking, instrument panel, control backlights,
number plate lights and top marker lights, headlights are also
switched ON.
OFF-position
• All lights are switched off in this position.
position
Driving Controls
Hazard warning switch
•
•
•
Combination switch assembly also has
a switch for operating hazard warning
device.
To switch ON hazard warning
warning, pull the
knob located behind steering wheel. All
turn signals lights will flash
simultaneously
y to warn other road
users about the hazardous condition of
vehicle.
Push back this knob to original
g
position when hazard warning
requirement is over.
Driving Controls
Windshield wiper and washer
•
The lever on other side is for operating windshield wiper
and washer.
Position
•
•
•
•
•
•
•
•
•
‘OFF’ - Wiper motor switched ‘OFF’
‘INT’ - Wiper sweeps intermittently
‘LO’ - Low speed of wiper motor
‘HI’ - High speed of wiper motor
To operate windshield washer, lift the lever. Windshield
washer will remain in operation as long as the lever is held
in this position.
When wind shield washer is actuated, wipers are also
witched on. Wind shield washer water reservoir is
accessible after opening centre flap. Top up reservoir with
clean water regularly.
Do not use soap solution.
In cold climates, use anti-frost mixed with soft water for
prevention of ice formation.
Do not operate windshield washer more than ten seconds at
a time.
Driving Controls
Gauges :
1
(1) Electronic RPM Meter
1
Shows engine RPM.
RPM1 1
8
9
(2) Electronic Speedometer cum Odometer &
Trip meter
Speedometer indicates the vehicle speed in kmph and
odometer indicates the cumulative distance covered by the
vehicle in km.
Trip meter can be used to calculate distance covered in a trip.
Press switch , provided on the speedometer, once to go in
Trip mode & push again to come back to main odometer
In trip mode push & hold the switch for 3 to 4 seconds, the
trip odometer will reset to 0.0
00
1
3 4
2
5
6
7
Driving Controls
(3 & 7) Air pressure gauge Range 0-10 bar
•
Two air pressure gauges indicate the
pressure in the pneumatic circuit for brake
application. Before driving the vehicle
ensure 8 kg/cm
g
pressure
p
(4) Electrical Engine oil pressure gauge
Range 0 – 10 bar
bar.
The gauge indicates engine oil pressure in bar.
(5) Volt
V lt Meter
M t –Range
R
16
16-32V
32V
Shows the battery voltage.
Driving Controls
( 6) Coolant temperature gauge-Range 40 120 degree C
• This shows temperature
p
of the coolant.
• Pointer on red band indicates that the
engine is overheating.
(8) Transmission oil Temp. Gauge
•
•
This shows
Thi
h
Transmission
T
i i
oil
il temp.
t
It should be within green band.
(9) Engine oil Temp.
Temp Gauge
•This shows Engine oil temp.
• It should not be in red band.
band
Indicators
T
Turn
Signal-LH
Si
l LH Blinks while combination switch turn-lever is operated to take left turn.
Turn Signal-RH
Blinks while combination switch turn-lever is operated to blink right side
turn signal light while taking right turn.
Kneeling Front
Glows during front kneeling operation.
Emergency Exit
Lights up when emergency exit door is open.
Driving Controls
Kneeling Rear
Glows during rear kneeling operation.
Kneeling Both
Glows during both kneeling operation.
Parking Brake
Glows when parking brake is ‘ON’.
Ramp Engaged
Lights up when ramp is engaged.
Driving Controls
High Beam
Lights up when Headlight high beams are turned “ON”.
Front Fog Lamp
Lights up when front fog lamp is switched ‘ON’
ON .
Rear Fog Lamp
Lights up when rear fog lamp is switched ‘ON’.
Hazard Warning
Lights up when hazard warning lights are switched “ON”.
Driving Controls
Retarder Engaged
Lights up when retarder switch is on.
Door open
Glows, if doors are open or not locked properly
when ignition is ‘ON’.
St requestt
Stop
Lights up when the stop button is pressed.
Driver’s Seat Belt
Lights up when seat belt is not clamped by the driver.
Driving Controls
Various types of Warning Indication
Reactions by the Driver.
DC-DC
DC
DC Converter Fault Indication
becomes faulty.
Glows when DC
DC-DC
DC converter
Low Air pr. Warning
Glows when Air pressure low.
Battery charging indication
Lamp continuously glows even
after starting the engine, if Alternator
is not charging the battery.
Driving Controls
Check Transmission
High Transmission oil
temperature
Glows briefly while ignition ”ON”.
Glows continuously when any fault is reported by the
ECU.
ECU
Glows in case of high transmission oil temperature.
•Stop the vehicle, select N, apply parking brake, run engine at
1200 – 1500 rpm ffor 2
2-3
3 minutes
i t to
t cooll the
th transmission
t
i i
oil.
il
L
Low
Engine
E i oil
il level
l
l
Glows when engine oil level becomes low.
Driving Controls
ABS Fault
Glows and indicates fault codes if any fault is there,
after ABS switch is pressed.
Low Transmission
oil pressure
Engine-stop
Glows in case the transmission oil pressure goes below
the limit value.
Glows briefly while ignition ”ON”. Glows continuously
when major fault is reported by ECU. and engine begins to stop.
Press Engine shut down over-ride button to run the engine in
limp home mode and bring the vehicle to the workshop
for attending the complaint.
Driving Controls
Engine Warning
Lights up when there is any minor fault in engine .
The engine does not stop.
The vehicle should be brought to the work shop for
attending the complaint.
Coolant Level Low
Lights up when coolant level is low.
Driving Controls
Various Types of Warning Gauges
Coolant temperature gauge
This shows temperature of the coolant.
Pointer on red band indicates that the engine is overheating.
Low E. oil Pr. indication
Red light glows, if engine oil pr. Goes below specified
value.
Driving Controls
Engine oil Temp. Gauge
This shows Engine oil temp. It should not be in red band.
Transmission oil Temp. Gauge
This shows Transmission oil temp. It should be within
green band.
If the needle is beyond green band, stop the vehicle,
select N, apply parking brake, run engine at 1200 – 1500
p for 2-3 minutes to cool the transmission oil.
rpm
Driving Controls
Gas leak Alarm
Green LED glowing at “ON” position indicates power is on.
Red LED blinking along with buzzer at “CH 1” indicates
leak sensed above engine.
Red LED blinking along with buzzer at “CH 2” indicates
leak sensed above receptacle area.
Slow blinking at CH1 or CH2 indicate minor leakage , fast
blinking indicate major leakage.
Similarly continuously glowing at CH1 or CH2 indicates
sensor open / short or sensor cable fault.
fa lt
Driving Controls
Fire Extinguisher
The needle on gauge should remain in green zone.
If needle comes to red zone, arrange to fill the cylinder.
If vehicle catches fire, Put off the electrical battery cut off
switch.
Open Pneumatic door, evacuate the Passenger.
Take out the fire extinguisher from the box, after opening the lock.
Remove the safety pin and Press the lever for ejecting the Gas to
extinguish the fire.
Tips for the Driver – While Refilling CNG
While Refilling CNG:
•
•
•
•
•
•
•
Switch off the engine and
cut-off battery supply.
E
Ensure
there
th
are no passenger on board
b
d during
d i
refilling.
filli
Remove the receptacle cap.
Turn the knob of the 3-way valve
to Filling position.
Fill the Gas.
Check CNG Pr.
Pr gauge / indicator.
indicator
Fit the receptacle cap properly after
refilling CNG. Ensuring that limiting switch is press
properly
l
Tips for the Driver – Before Starting the Engine
Perform daily checks for CNG fuel system in addition to other
general checks:
Before starting the engine:
•
Check gas pr. on indicator. When red bulb is glowing,
it indicates that gas pr. is very low, Take the vehicle to
filling station for filling the gas.
•
Check pressure of CNG in high pressure gauge.
- If the readings of gas pr. line after parking at night
and before starting
g in the morning
g are different,,
it indicates leakage.
•
Check gas leak indicator for leakage indication
indication.
•
Check engine compartment, Receptacle and
y valve area for any
y leakage
g
3-way
Tips for the Driver – Before Starting the Engine
•
Get the leakage location identified and stopped.
•
Check and ensure that the Receptacle cap and
Three way valve are intact and functional.
•
Check Pressure of Low pressure gauge.
If it is in red zone, get the HPR checked.
•
Check coolant level, top up if necessary.
Rectify, if any coolant leakage is there.
•
Check lube oil level in Engine and Transmission,
top up if necessary.
Rectify if any lube oil leakage is there.
Rectify,
there
Tips for the Driver – Before Starting the Engine
•
•
•
•
Check Service indicator for Red band. If red band appears, get the air filter replaced.
Check previous day’s Complaint
Ensure that all the access flaps at rear and side of the bus body are securely closed
and locked
locked.
All the inspection windows on the bus floor are closed and locked.
• Check for any type of leakages.
• Check tyre condition and tyre pressure.
• Check suspension system.
• Check Wind-screen glass and other glasses.
•
Check Safety items like fire extinguisher, window breaking hammer, roof exit window
and roof top ladder.
•
Check door operation, Horn, Destination board, Head lights, parking lights, roof lights,
fog lights, blinkers, brake lights, indicators, passenger seats, Rear view mirrors, Dash
board switches, gauges, meters,
•
Check the contents of the first aid box.
Tips for the Driver – While Starting the Engine / Vehicle
While starting the engine / vehicle:
•
Turn the knob of the 3-way valve in
Running position.
position
•
Ensure safety key at engine compartment
is ON position.
•
Ensure, Ramp is not positioned for use.
•
Battery cut-off switch is in ON position.
Tips for the Driver – While Starting the Engine / Vehicle
While starting the engine / vehicle:
•
Ensure parking
g brake is applied and locked properly.
y
•
Fasten the Seat belt.
Insert belt tongue into buckle. A
position locking 'click' indicates
correct assembly.
•
Move gear shift selector to ‘N’ ( Neutral )
position and see that ‘N’ appears on the
display screen
Tips for the Driver – While Starting the Engine / Vehicle
•
Insert ignition key to unlock the steering wheel
and switch on and check the following:
•
•
•
•
•
•
•
•
Check gas leak indicator for any leakage.
Check CNG pressure indicator.
DC-DC fault indicator
Engine stop indicator and Engine warning indicator.
Check Engine oil level indicator
Check Coolant level indicator.
ABS warning lamp comes ‘ON’
ON and goes ’OFF’
OFF .
Check Transmission Light
is ‘ON”.
•
Turn the key clockwise to ‘Start’ position to crank the engine. Check Transmission
Light should go ‘OFF’ when the engine is started
started. This ensures that the
Transmission system is free from errors / trouble codes.
Tips for the Driver – While Starting the Engine / Vehicle
•
Idle the engine for at least 3 minutes.
•
Check air pr.
pr Gauge.
Gauge Build air pressure up to 8 bar
bar.
• Hold the overdrive button provided on the lever and
Shift to D (drive) or R (reverse) at engine idle speed
(750-800
(750
800 RPM) with service brakes ON.
ON Do not shift
with throttle depressed.
• When selected D, the transmission will
shift to 1st; depending on the accelerator
position and load, up-shift and down-shift
of gears will automatically take place.
•
Release the parking brake completely. Parking brake indicator light and
beeper should be ‘OFF’.
• Release the service brake and gradually press the accelerator pedal
for moving the vehicle,
Tips for the Driver – During running of the Engine / Vehicle
During running of the engine / vehicle:
•
•
•
•
•
•
•
•
•
Keep watch on the indicator lights.
‘R’( Reverse) is used to back the vehicle.
Completely
p
y stop
p the vehicle and let the
engine return to idle (750-800 RPM) before
shifting from Forward range (D) to Reverse ®
or from Reverse to a Forward range.
Select ‘N’ ( Neutral)) momentarily
y before
making shifts from ‘D’ to ‘R’ and vice versa.
Do not apply full power in ‘D’ or ‘R’ with
brakes ‘ON’
Do not allow the vehicle to coast in Neutral (N).
( )
Use 1(First) range for pulling through mud,
driving up or down very steep grades.
Use 3 ( Third) range for city traffic and braking
on steep
p down-grades.
g
At Trafic signal, the gear shift lever to be put to “N” while the vehicle is at stopped
condition and then to “D” before moving the vehicle.
If the ignition switch is on but the vehicle is stand-still more than 3 minutes due to
traffic or any other reason, the speed limiter comes into action and the accelerator pedal
collapses and goes down.
down To the raise the accelerator pedal to Normal position,
position switch
OFF and ON the ignition switch.
Tips for the Driver – During running of the Engine / Vehicle
• Apply Retarder by pressing the brake pedal.
Note: Before operating Retarder, ensure that:
The Retarder switch on the dash-board is
pressed ON.
Foot from accelerator is removed.
Temperature of Transmission oil within limits
( green band range).
•
In case of transmission over heating, stop the vehicle, select N, apply parking brake, run
engine at 1200 – 1500 rpm for 2-3 minutes to cool the converter out fluid.
Note: Retarder gets automatically de-activated as soon as ABS comes into action and also
as soon as accelerator
l t pedal
d l is
i pressed.
d
Tips for the Driver – During running of the Engine / Vehicle
•
If the wheels are stuck and not turning, do not apply full power for
more than 30 seconds in either ‘D’ (Drive) or ‘R’(Reverse). Full power
for more than 30 seconds will cause the transmission to overheat and
severely damage the transmission parts.
•
g
stop
p indicator glows
g
and
If the engine
the engine begins to stop, press the
engine shut down over ride switch to run
the engine in limp-home
limp home mode and to
bring the vehicle to the nearest authorized
workshop for attending the problem.
•
Do not switch ‘OFF’ the ignition while driving,
this makes ABS non-operational.
p
Tips for the Driver – During running of the Engine / Vehicle
•
Check gas leak indicator for any leakages. In the event of any gas
leakage, immediately switch OFF ignition and isolate the electrical
system using the battery cut-off switch. Close the three way valve and
individual cylinder valves manually on the roof top. Get the vehicle
attended to stop leakage.
Tips for the Driver – While Stopping the Engine & Parking the Vehicle
While Stopping the engine and Parking the vehicle:
•
•
Bring the vehicle to a complete stop
using the service brake.
Make sure the engine
g
is at low idle rpm
p (750-800
(
RPM).
)
•
Put the transmission in ‘N’ (Neutral) position.
•
Apply the parking brake and make sure
it is properly engaged.
•
Idle the engine for at least 3 minutes
before shutting down.
•
Cut-off electric supply by switching OFF
battery cut-off switch provided on the dashboard.
•
Turn the three way valve to Parking position.
•
Close the individual cylinder valves manually
on the roof top if the vehicle is to remain
unused for a long time.