2012 SUZUKI ALTO service

1
FOR VEHICLES FITTED WITH CNG FUEL SYSTEM
68PH0-74E
INTRODUCTION TO CNG:
CNG (Compressed Natural Gas) is princi-
pally constituted by methane. CNG is con-
sidered as clean burning fuel. Due to low
density of CNG, it is compressed at a pres-
sure of around 200 bars to enhance the
vehicle on-board storage capacity.
SAFETY PRECAUTIONS (Do’s)
1. If any service or body repair is to becarried out, turn the manual shut off
valve on CNG cylinder valve to close
position prior to commencement of
there pair work.
2. Get the CNG cylinder checked every
three (3) years from the date of last
testing / retesting of cylinder by govern-
ment authorized CNG cylinder testing
agency.
3. If the vehicle does not changeover to CNG in AUTO MODE, then have your
vehicle checked by Maruti Suzuki
authorized workshop at the earliest.
4. Switch “OFF” engine while fuel filling
(CNG/Petrol).
5. After refueling CNG or Petrol, ensure that the fuel filler lid is closed. (Other-
wise vehicle cannot be started)
6. In AUTO MODE, It is programmed to start the vehicle in petrol and automati-
cally shift to CNG based on the engine
temperature etc. Do not press the
accelerator pedal to change from petrol
to CNG.
SAFETY PRECAUTIONS (Don’ts):
1. Do not change/modify the configura-tion, settings or the components from
CNG system.
2. The CNG cylinder should not be repaired under any circumstances, in
case of any problem, consult with
Maruti Suzuki authorized workshop.
3. Do not adjust se tting of CNG system.
4. Never install LPG or any other gas cyl-
inder in place of CNG cylinder.
5. Avoid carrying inflammable material near the CNG cylinder.
6. Do not fill any other type of gas other than CNG.
7. Do not press the accelerator pedal to
change from petrol to CNG MODE.
CAUTION
In case of any symptom of CNG leak-
age or releasing noise or any external
damage to CNG piping or during
accident, do not panic.
• Stop the vehicle and switch offthe engine, roll down the win-
dows and open all the doors
• Ensure to close manual shut off valve.
• Contact Maruti Suzuki authorized
workshop immediat ly for further
assistance.

10
FOR VEHICLES FITTED WITH CNG FUEL SYSTEM
68PH0-74E
PERIODIC MAINTENANCE SCHEDULEKms (1 x 1000)
Month 1
15
610
12 20
2430
3640
48 50
6060
7270
84 80
96 90
108 100
120
All Joints (Gas leakage) I I I I I I I I I I I I
Coolant Hoses
(Leakage, Damage) I I I I I I IIII I I
All Fasteners Torque values T T T T T T T T T T T T
CNG low pressure filter
cartridge with O-Ring - - - R - R -R-R - R
CNG cylinder leak testing and
certification Every 3 years from the date of initial testing by govt. approved testing agency
CNG filler receptacle O-Ring Replace every 4 years or 300,000 Km, whichever comes earlier
T ........Tighten to Specified Torque
I ........ Inspect and correct or replace if necessary
R ....... Replace
NOTE:
• This table includes services as scheduled up to 100,000 km mi leage. Beyond 100,000 km, carry out the same services at the same
intervals respectively.
• For other maintenance details refer “Inspectio n & Maintenance” section in main Owner’s Manual.

12
FOR VEHICLES FITTED WITH CNG FUEL SYSTEM
68PH0-74E
FIRE EXTINGUISHER
(if equipped) Do's and Don'ts
53MHMC021
Do's1. Check pressure gauge periodically.Max charging pressure is 15Kgf/cm2 (in
green zone (2)).
2. When pressure drops, indicator nee-
dle(1) will shift to the red zone
(3).Immediately contact the fire extin-
guisher manufacturer as per the infor-
mation provided on the fire
extinguisher.
3. Get the fire extinguisher serviced only
through the manufacturer service cen-
tre.Refer the information provided on
the fire extinguisher to locate the near-
est service centre.
4. Ensure that the Fire extinguisher is always kept at its prescribed position in
the vehicle.
5. Refill the fire extinguisher immediately after use. Don't
• Do not use water for cleaning fire extin-
guisher. (Use clean cloth for removing
dust)
• Do not rely on used or discharged fire extinguisher.
LOCATION
53MHMC023
Fire extinguisher is located below co pas-
senger's seat.
PARTS DESCRIPTION
53MHMC024
(1) Fire extinguisher cylinder
(2) Seal
(3) Safety Pin
(4) Lever
(5) Nozzle
REMOVAL PROCEDURE
(from front seat)
53MHMC025
Lift Lever (1) of fire extinguisher slightly
upwards and pull the fire extinguisher in
the direction as shown in the figure, in
order to disengage it from clamps (2).
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