Daewoo DE12T / P126TI User Manual

65.99892-8051 Operation Manual GENERATOR DIESEL ENGINE DE12T POLUS P126TI

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FOREWORD This manual has been prepared to help you use and maintain the DE12T/ P126TI generator diesel engines in a safe and correct manner. These economical and high-performance diesel engines (OMEGA combustion system) have been designed and manufactured for generator application. They meet all the requirements such as low noise, fuel economy, high engine speed, and durability. Nonetheless, to obtain the best performance and long life of an engine, it is essential to operate it appropriately and to carry out periodic checks as instructed in this manual.

We strongly urge you to thoroughly read this manual from cover to cover and to acquaint yourself fully with all the information contained in this manual. Please contact your authorized DAEWOO dealer for the answers to any questions you may have about your DE12T/ P126TI generator engine’s features, operation, or manuals. In order to operate the engine in the optimal conditions and to maintain its best performances, the contents in this instruction are to be thoroughly understood and observed. In addition refer to the INSTALLATION manual about DAEWOO generator engine installation instruc- tions. All warranty claims to be addressed to; Engine Export Team, DAEWOO Heavy Industries LTD.

DAEWOO Center 541 Namdaemun-ro 5-ga, Chung-gu Seoul, Korea TEL : (82-2-726-3205~8), FAX: (82-2-726-3168) Or to your local DEALER or DISTRIBUTOR. DAEWOO Heavy Industries LTD. July. 1999

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CONTENTS 1. General information................................................................................................................... 1 1.1. Engine specification 1.2. Engine assembly 2. Safety regulations...................................................................................................................... 6 2.1. General notes 2.4. Regulations designed to prevent pollution 2.2. Regulations designed to prevent accidents 2.5. Notes on safety in handling used engine oil 2.3. Regulations designed to prevent damage 3. Technical information.............................................................................................................. 10 3.1.

Engine model and serial number 3.7. Intercooler 3.2. Engine type 3.8. Fuel system 3.3. Engine timing 3.9. Cooling system 3.4. Valves 3.10. V-belt tension check and adjust 3.5. Lubrication system 3.11. Turbocharger 3.6. Air cleaner 3.12. Electrical equipment 4. Commissioning and operation ............................................................................................... 26 4.1. Preparation 4.4. Operation in winter 4.2. Breaking-in 4.5. Tuning the engine 4.3. Inspection after starting 5. Inspection and maintenance .................................................................................................. 30 5.1. Periodical inspection and maintenance 5.5. Fuel system 5.2.

Lubrication system 5.6. Injection nozzle maintenance 5.3. Cooling system 5.7. Turbocharger 5.4. Air intake system 6. Checking and setting .............................................................................................................. 42 6.1. Adjustment of valve clearance 6.4. Cylinder compression pressure 6.2. Adjustment of injection timing 6.5. V-belts 6.3. Tightening the cylinder head bolts Appendix.................................................................................................................................... 49 WORLDWIDE NETWORK

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1. General information 1.1. Engine specification - 1 - Engine Model Items DE12T P126TI P126TI-I Engine type Water-cooled, 4 cycle in-line type Turbo charged Water-cooled, 4 cycle in-line type Turbo charged & intercooled Combustion chamber type Direct injection type Cylinder liner type Replaceable dry liner Timing gear system Gear driven type No. of piston ring Compression ring 2, oil ring 1 No. of cylinder-bore x stroke (mm) 4 - 123 x 155 Total piston displacement (cc) 11,051 Compression ratio 17.1 :

1 Engine dimension (length x width x height) (mm) 1,365.5 x 870 x 1,046 1,383 x 870 x 1,207 Engine weight (kg) 910 Rotating direction (from flywheel) Counter clockwise Fuel injection order 1 - 5 - 3 - 6 - 2 - 4 Fuel injection timing (B.T.D.C static) 12° Injection pump type Zexel in-line “P” type Governor type Mechanical governor type(RSV) Electric governor type(GAC) Injection nozzle type Multi-hole type (5 hole) Multi-hole type (5 hole) Fuel injection pressure (kg/cm2) 220 1st : 160, 2nd :

220 Compression pressure (kg/cm2) 28 (at 200 rpm) Power (ISO 3046) Condition 50Hz (1,500rpm) 60Hz (1,800rpm) 50Hz (1,500rpm) 60Hz (1,800rpm) 60Hz (1,800rpm) Continuous - - 280PS (206kW) 336PS (247kW) - Prime 205PS (151kW) 245PS (180kW) 328PS (241kW) 378PS (278kW) 356PS (262kW) Stand by 226PS (166kW) 270PS (199kW) 370PS (272kW) 405PS (298kW) 392PS (288kW) Intake and exhaust valve clearance (at cold) (mm) 0.3 Intake valve Open at 18° (B.T.D.C) Close at 34° (A.B.D.C) Exhaust valve Open at 46° (B.B.D.C) Close at 14° (A.T.D.C) Lubrication method Full forced pressure feed type Oil pump type Gear type driven by crankshaft Oil filter type Full-flow, Cartridge type Lubricating oil capacity (max./min.) (lit) 23/20 Oil cooler type Water cooled Water pump Gear driven impeller type Cooling Method Pressurized circulation Cooling water capacity (engine only) (lit) 19 Thermostat type Wax pallet type (83 ~ 95 °C) Alternator voltage - capacity (V - A) 24 - 45 Starting Motor voltage - output (V - kW) 24 - 6.0

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