DOOSAN GE12TIC Service Manual

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POWER RATING
GE12TIC
Engine
Speed
rev/min kWm
1800
1500
Note : -. The engine performance corresponds to ISO 3026, BS 5514 and DIN 6271.
-. Ratings are based on ISO 8528. Prime power available at variable load. The permissible average power out put (during 24h period) shell not exceed 70% of the prime power rating.
MECHANICAL SYSTEM FUEL CONSUMPTION
Engine Model GE12TIC Prime Power (NmEngine Type In-line 4 cycle, water cooled 20.4
Combustion type Stoichiometric, Premixed and spark ignited 41.1Cylinder Type Replaceable wet liner 51.4
Type of
Operation
Prime Power
Standby Power
Prime Power
Standby Power
Turbo charged & intercooled (water to air) 30.2
Engine Power
200
*
175
*
Ps
272
*
238
*
25% 50% 75%
100%
3
/h
1,500 rpm
16.8
26.3
34.3
43.4
1,800 rpm
Number of cylinders 6
Bore x stroke 123(4.84) x 155(6.1) mm(in.)
FUEL SYSTEM
Displacement 11.051 (674.5) lit.(in3) ㅇCarburetor Impco 200M Varifuel carburetor ㅇCompression ratio 10.5 : 1 Gas regulator Maxitrol RV61Firing order 1-5-3-6-2-4 Max. inlet pressure 1.0 psi at the engine inletIgnition timing 13° BTDCCompression pressure Above 16 kg/cm2(228 psi) at 200rpm Dry weight Approx. 910 kg (2,006 lb)
LUBRICATION SYSTEM
Dimension 1,405 x 854 x 1,072 mm Lub. Method Fully forced pressure feed type (LxWxH) (55 x 34 x 42 in.) Oil pump Gear type driven by crankshaft
Rotation Counter clockwise viewed from Flywheel Oil filter Full flow, cartridge typeFly wheel housing SAE NO.1 Oil pan capacity High level 25 liters ( 6.60 gal.)Fly wheel Clutch NO.14 Low level 19 liters ( 5.02 gal.)
Angularity limit Front down 25 deg.
MECHANISM Front up 25 deg.
Type Over head valve Side to side 15 deg.Number of valve Intake 1, exhaust 1 per cylinder Lub. Oil Refer to Operation ManualValve lashes at cold Intake 0.30mm (0.0118 in.)
Exhaust 0.30mm (0.0118 in.)
Low ash type(0.5wt%) natural gas engine oil API service grade CD or higher
VALVE TIMING SAE 15W-40
Opening Close
Intake valve 18 deg. BTDC 34 deg. ABDCExhaust valve 14 deg. ATDC
46 deg. BBDC
DOOSAN Infracore
Printed in December 2006 PS-GE12TIC-E
GE12TIC
COOLING SYSTEM ENGINEERING DATA
Cooling method Fresh water forced circulation Water flow 260 liters/min @1,500 rpmWater capacity 21 liters ( 5.55 gal.) Heat rejection to coolant 39.0 kcal/sec @1,500 rpm
(engine only) Heat rejection to CAC 1.8 kcal/sec @1,500 rpm
2
Pressure system Max. 0.9 kg/cmWater pump Centrifugal type driven by belt Exhaust gas flow 23.0 mWater pump Capacity 310 liters ( 81.9 gal.)/min Exhaust gas temp. 545 °C @1,500 rpm
at 1,800 rpm (engine)
Thermostat Wax – pellet type Heat rejection to coolant 46.5 kcal/sec @1,800 rpm
Opening temp. 71°C Heat rejection to CAC 3.1 kcal/sec @1,800 rpm Full open temp. 85°C Air flow 16.7 m
ELECTRICAL SYSTEM Exhaust gas temp. 566 °C @1,800 rpm
Charging generator 24V x 45A alternator Max. permissible restrictionsVoltage regulator Built-in type IC regulator -.Intake systemStarting motor 24V x 7.0kWBattery Voltage 24V -.Exhaust system
Battery Capacity 150 AH (recommended) Ignition controller 12 or 24V DC
(min 8V DC at start, 32V DC max)
IGNITION SYSTEM in3 = lit. x 61.02 lb/PS.h = g/kW.h x 0.00162
Spark plug
NGK IFR7B-D, 0.4mm air gap Champion RC78PYP, 0.38mm air gap
Ignition controllerIgnition coil
Altronic CD 1 unit (12 or 24V DC) Altronic 501 061 blue epoxy individual
coil
Trigger system
Magnetic pick-up sensor and trigger wheel and Hall-effect
( 0.75 ~ -0.25mm air gap)
( 12.8 psi) Air flow 14.5 m3/min @1,500 rpm
3
/min @1,500 rpm
Water flow 310 liters/min @1,800 rpm
3
/min @1,800 rpm
3
Exhaust gas flow 27.0 m
220 mmH 635 mmH 600 mmH
CONVERSION TABLE
/min @1,800 rpm
O initial
2
O final
2
O max.
2
in. = mm x 0.0394 lb/ft = N.m x 0.737 PS = kW x 1.3596 U.S. gal = lit. x 0.264 psi = kg/cm2 x 14.2233 kW = 0.2388 kcal/s
3
hp = PS x 0.98635 cfm = m lb = kg x 2.20462
3
Kg/hr = Nm Btu/ft
/hr × 0.732 (natural gas)
3
= MJ/m3 × 26.8392 (natural gas)
Nm
/min x 35.336
3
= SCF × 0.0283
DOOSAN Infracore
Head office 7-11, Hwasu-Dong, Dong-Gu, Incheon, Korea TEL : 82-32-760-1437, 1964 FAX : 82-32-760-1964 Seoul Office
Doosan Infracore Co. Ltd., 22nd Floor, Doosan Tower, 18-12, Euljiro 6-ga, Jung-gu, Seoul, Korea. TEL : 82-2-3398-8521~8535 FAX : 82-2-3398-8509
Web site : www.doosaninfracore.com
Specifications are subject to change without prior notice
Printed in December 2006 PS-GE12TIC-E
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