TATA Motors Indigo eCS Manual de usuario
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TAA
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ATT
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TA INDIGO e-CS CNGA INDIGO e-CS CNG
A INDIGO e-CS CNGA INDIGO e-CS CNG
A INDIGO e-CS CNG
SUPPLEMENT
(This manual should be read in conjunction with
Indigo e-CS Owner’s Manual & Service Book)
Passenger Vehicle Business Unit
Pune
2
CONTENTS
DESCRIPTION PAGENO.
1 Introductionto CNG 3
2Safetyprecautions 3
3 Startingtheengine 6
4 Howto shift the fuelling modes 7
5 Instrumentcluster 8
5.1 Fuelgauge 9
5.2Multifunctional LCD,Odometer, 10
Tripmeter& Dimmer
6 Enginecompartment 11
7 CylinderManual Shut OFFvalve 12
8 CNGPressure Gauge 12
9 CNGCylinder 13
10 CylinderFillerValve 13
11 SafetyRegulations 15
12 CNGCompliencePlate 15
13 InCase of Blown Fuse 16
14 Fuse Box in Cabin 17
15 SpareWheelRemoval 19
16 TechnicalSpecifications 20
17 Maintenance 21
18 TroubleShooting 21
19 ServiceSchedule-CNG 22
3
1. INTRODUCTION TO CNG :
CNG (COMPRESSED NATURAL GAS) is obtained by
compressing purified natural gas to less than 1% of its
volume at standard atmospheric pressure. CNG is a
colorless,odorless,non-toxicbutinflammable and lighter
than air.
BENEFITS OF CNG :
•CNG is principally comprised of methane. Due to low
density it is compressed at a pressure of around 200
barstoimprovethevehicleon board capacity.
•Lowermaintenancecostswhen vehicles run on CNG.
•Withrisingpetrol costs, CNG hasseenthecompetitive
edge with its lower price and high availability.
•Vehicle life-span can be prolonged since there is no
carbon generated during combustion and hence,
engine and the oil in the engine are much cleaner.
•Due to its low hydro-carbon emissions, CNG is widely
consideredtobeanenvironmentallyviablealternative
topetrol.
INTRODUCTION & SAFETY PRECAUTIONS
2. SAFETY PRECAUTIONS
To get the best out of CNG fuel, the engine must be tuned
andregularlyserviced(bothas regards to the mechanical
andtheelectricalparts) in addition to routine maintenance
requiredbythe vehicle.
DO’S:
•Nevercarry outanyrepair workonyour ownorfrom any
other personnel.Always get the car repaired / serviced
at TATA authorized service centre only.
•EnsurethattheBattery Groundterminalisdisconnected
beforestartof any repairs.Re-connectitonce the repair
activity is completed.
•Check CNG system components periodically for
leakage.
•If you smell other than natural gas when refueling or if
you hear a hissing sound, follow these directions:
a. Do not panic. Park your vehicle in a well ventilated
area and apply the parking brake. Roll down all the
windowsandkeepthedoorsfullyopen forventilation.
b. Turn the ignition switch to ’LOCK’ position.
c. Switch off ignition switch and manual shut off knob
locatedoncylindervalvebeforeservicing/repairing
of any parts in the CNG circuit.
4
e. ImmediatelycontactnearestTATAauthorizedservice
centreforfurtherassistance.
NOTE: In case of gas leakage, ECU will automatically
switch the fuel mode from CNG to Petrol. The ECU will
not allow you to switch to CNG mode until the leakage
is rectified.
•GetCNGCylindercheckedafterevery 5 years at Govt.
approved testAgency. Never fill CNG cylinder with air,
LPG or any fuel except CNG.
•Keep the car away from any Fire source.
•RemovetheCNG tank during thewelding/brazingwork
ontheCar.
•Check/replace air filter as per service schedule
mentioned.Cleanit during every service.
NOTE:
•It is essential to have at least 10 liters of petrol AT
ALL TIMES to ensure trouble free operation in case
of empty CNG tank.
•Run your car in petrol mode for at least 10kms after
every 300kms covered in CNG mode to keep the
petrol system in good condition.
INTRODUCTION & SAFETY PRECAUTIONS
CNG Pressure Gauge in Engine Compartment
d. AlsoensureCNGgaspressure at pressure gauge is
Zero.Fordoingso, we can run vehicle in CNG mode
aftershutting offcylindervalve. Donotrunthevehicle
until leakage is rectified.
CNGcylinder OPEN / CLOSE knob in boot space
5
INTRODUCTION & SAFETY PRECAUTIONS
DON’TS
•Do not install an LPG, Propane or any other cylinder in
place of CNG cylinder. It is illegal and unsafe.
•Never alter CNG system confugration. Do not adjust /
tamperCNG systemsettings.Never placeinflammable,
explosive,corrosivematerialandsharpobjectsnearCNG
cylinder.
•Neverplaceinflammable,explosive, corrosive material
nearCNGcylinder.
•While loading or unloading particulars near boot area,
take extra precaution for preventing any damage to
cylinderand cylinder valve.
•Don’tsmokeinsideor near the CNG vehicle.
•Over filling the CNG cylinder can cause safety issues
like gas leakage. Please DO NOT over fill the tank
beyond its capacity.
•Neverusenakedflame/fireto check gas leakages.
•Do not use high pressure washer fluid/water jets at
electrical devices & their connectors during washing.
Thisistopreventmalfunction/failureofelectricalsystem
duetowater ingress.
•Do not jump start your vehicle if you suspect any CNG
leak.
•Do not drive your vehicle in case of CNG leak. CNG is
flammable and highly explosive. You could be killed or
seriously injured if leaking gas is ignited.
6
3. STARTING THE ENGINE
NOTE:
Your Engine can start in Petrol mode only irrespective
of the position of Fuel Selector Switch (Petrol or CNG)
•To start, turn the ignition key to “IGN” position. Ensure
the“MIL”lampturns“ON”.
•Selectthedesiredfueloperatingmode by pressing the
FuelSelectorSwitch.
•Keep the clutch pedal fully pressed and crank the
engine.DOnot press the accelerator pedal.
•If the engine cranks but fails to start then repeat the
aboveprocedure.Releasethekeyassoonastheengine
starts. Ensure that the “MIL” lamp is “OFF”.
NOTE:
•Irrespective of the position of the fuel selector switch
(PetrolorCNG), your car’s enginewillstartusingpetrol
based on the programmed warming up condition and
laterswitchover automatically to CNG (if CNGmodeis
selected).
•Ensurethatyour car has sufficient petrol in the tank as
petrol is used for starting until the engine warms up.
•Ensure that you run your car in “PETROL” mode for at
least10kmsforevery300kmscoveredin“CNG”mode
toensure proper working of petrol fuel supplysystem.
STARTING THE ENGINE
7
4. HOW TO SHIFT THE FUELLING MODES
You canswitchfromPETROLtoCNGand
viceversabyoperatingfuelselectorswitch
located on right hand side of dashboard
nearsteeringwheel.Seebelowpicture.
A. PETROL to CNG mode
You can shifttoCNGfuelmode by pressing the fuel selec-
torswitch. The“CNG”lampon theinstrumentclusterstarts
flashing during the changeover to CNG mode and glows
permanently after changing to CNG mode indicating that
the car is running on CNG.
B. CNG to PETROL mode
Similarly you can switch to PETROL fuel mode by press-
ing the fuel selector switch. After successful transition to
PETROL mode, the green “CNG” lamp goes OFF. This
indicates that the car is running on petrol.
FUELLING MODES & CNG LAMP
CNG LAMP :
This lamp glows when you select the CNG
fuel mode. This lamp will not glow when you
selectpetrolfuel mode.
IMPORTANT:
In case of fuel mode switching from PETROL to CNG
mode during normal running, initially the CNG lamp
toggles indicating the transition and when the CNG
lampglows permanently, thisindicates thecompletion
of the transition to the required fuel mode.
•Fastflashingofthe’ CNG’lamponinstrumentcluster
indicates the fault in CNG system. Car will
automatically switch to Petrol mode. Get the car
checked / repaired at the nearestAuthorized TATA
servicecenter.
•Very Slow flashing of the’ CNG’ lamp indicates the
emptytank / NO CNG supply(loss of pressure). Get
the CNG tank re-filled.
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INSTRUMENT CLUSTER
5. INSTRUMENT CLUSTER
SET
Knob LCD MODE
Selec-
tor
Knob
Fuel
Gauge CNG
Lamp
MIL
SIL
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