The Doosan PU158TI EASOA/QA is a 14.62 L 8-cylinder turbo charged & intercooled engine rated at 1800 rpm, producing up to 553 kW. It powers generator sets from Doosan, including the PU158TI.
Also known as: DOOSAN PU158TI EASOA/QA
| Displacement | 14.618 L |
|---|---|
| Cylinders | 8 |
| Aspiration | turbo charged & intercooled |
| Rated speed | 1800 rpm |
| Gross power | 553 kW |
| Item | Action | Hours | Months | Notes |
|---|---|---|---|---|
| Fuel injection timing | Check | 200 hr | When necessary | |
| Fuel strainer of fuel feed pump | Clean | 200 hr | Clean every engine oil replacement; also after every 200 hours | |
| Fuel-water separator | Drain | 200 hr | Drain water in separator; section 2.2.10 states every 1,200 hours | |
| Injection nozzles | Check | 200 hr | When necessary | |
| Lubricating oil | Change | 200 hr | First service — First oil change at 50 hr operating | |
| Oil filter cartridge | Replace | 200 hr | First service — Replace simultaneously with engine oil change; first at 50 hr | |
| Fuel filter element | Replace | 400 hr | Section 2.2.23 states every 400 hours | |
| Air cleaner element | Clean | 600 hr | Renew every two years or 4,000 hours; clean up to 5 times | |
| Intercooler air fins | Clean | 600 hr | ||
| Compression pressure | Check | 800 hr | When necessary | |
| Fuel tank | Drain | 800 hr | Remove sediment from fuel tank | |
| Coolant water | Change | 2000 hr | Change the coolant water | |
| Radiator | Clean | 2000 hr | ||
| Turbocharger | Clean | 2000 hr | ||
| V-belt tension | Adjust | 2000 hr | Section 5.8 states V-belt tension checked after every 2,000 hours | |
| Intake/exhaust valve clearance | Adjust | First service — First at break-in; then when necessary |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
| Type | Item | Value | Unit | Condition |
|---|---|---|---|---|
| Clearance | Camshaft axial end play | 0.20~0.90 | mm | |
| Clearance | Crankshaft end play (standard / limit) | 0.190~0.322 / 0.452 | mm | |
| Clearance | Cylinder head lower face warpage (standard / limit) | 0.05 or less / 0.2 | mm | |
| Clearance | Cylinder liner inner diameter (standard / limit) | φ127.990~φ128.010 / φ128.16 | mm | |
| Clearance | Main bearing oil gap (standard / limit) | 0.066~0.132 / 0.166 | mm | |
| Clearance | Piston ring gap 2nd ring (standard / limit) | 0.40~0.60 / 1.5 | mm | |
| Clearance | Piston ring gap oil ring (standard / limit) | 0.40~0.70 / 1.5 | mm | |
| Clearance | Piston ring gap top ring (standard / limit) | 0.35~0.55 / 1.5 | mm | |
| Clearance | Piston to cylinder liner clearance | 0.233~0.271 | mm | |
| Clearance | Rocker arm bearing clearance (standard / limit) | 0.015~0.068 / 0.25 | mm | |
| Clearance | Tappet clearance (standard / limit) | 0.035~0.077 / 0.25 | mm | |
| Gap | Magnetic speed sensor to ring gear air gap | not smaller than 0.020 in (0.45 mm) | mm | engine stopped |
| Gap | Tacho sensor gap | about 1.0 | mm | tolerance limit 27° (gap ± 0.1 mm) |
| Pressure | Bypass for entire oil filter valve opening pressure | 4.5 ± 0.2 | kg/cm2 | |
| Pressure | Bypass for filter element valve opening pressure | 2.1 ± 0.3 | kg/cm2 | |
| Pressure | Compression pressure | 28 | kg/cm2 | at 200 rpm, water temperature 20°C |
| Pressure | Compression pressure limit | 24 | kg/cm2 | |
| Pressure | Fuel injection pressure (new nozzle holder) | 300 + 8 | kg/cm2 | |
| Pressure | Fuel injection pressure (used nozzle holder) | 285 + 8 | kg/cm2 | |
| Pressure | Oil pressure at idling | 0.9~3.0 | bar | |
| Pressure | Oil pressure at rated speed / full load | 3.0~6.5 | bar | |
| Pressure | Overflow valve operating pressure of injection pump | 1.3~1.8 | bar | |
| Pressure | Relief valve opening pressure | 8.5~10 | kg/cm2 | |
| Speed | Speed control unit governor speed range | 1K~7.5K | Hz | continuous |
| Temperature | Coolant temperature during operation | 80~95 | °C | |
| Temperature | Oil temperature | less than 110 | °C | |
| Temperature | Thermostat open wide at | 85 | °C | |
| Temperature | Thermostat opens at | 71 | °C | |
| Torque | Alternator bracket (M14) | 12 | kg.m | |
| Torque | Bearing cap side bolt (M12 x 1.5) | 8 | kg.m | |
| Torque | Cam shaft timer (M10) | 9 | kg.m | |
| Torque | Connecting rod cap bolt (M16 x 1.5) | Initial 10 kg.m + rotating angle 90° | kg.m | |
| Torque | Cooling fan (M8) | 2.2 | kg.m | |
| Torque | Counterweight (M16 x 1.5) | 21 | kg.m | |
| Torque | Crankshaft pulley (M16 x 1.5) | 21 | kg.m | |
| Torque | Cylinder head bolt (M15 x 2, strength 12.9) | 8 kg.m + 15 kg.m + angle 90° + angle 90° | kg.m | |
| Torque | Cylinder head bolt (after repair, angle-of-rotation method) | 10 N.m -> 80 N.m -> 150 N.m -> 90° -> 90° | N.m | engine cold |
| Torque | Cylinder head cover (M8) | 2.2 | kg.m | |
| Torque | Exhaust manifold (M10) | 5.0 | kg.m | |
| Torque | Flywheel (M16 x 1.5) | 26 | kg.m | |
| Torque | Flywheel housing cover bolt (M8) | 7.5 | kg.m | |
| Torque | Flywheel housing tightening bolt (M12 x 1.5) | 10 | kg.m | |
| Torque | Fuel filter (M12 x 1.5) | 8 | kg.m | |
| Torque | Fuel injection nozzle holder (M28, CK60) | 7 ± 0.5 | kg.m | |
| Torque | Fuel injection pipe (M14 x 1.5) | 2.5 | kg.m | |
| Torque | Fuel injection pump to cylinder block (M10) | 6.5 | kg.m | |
| Torque | Injection pump drive gear fixing bolt (M8) | 2.2 | kg.m | |
| Torque | Intake manifold (M8) | 2.2 | kg.m | |
| Torque | Lock nut (adjusting screw) (M12 x 1) | 5 | kg.m | |
| Torque | Main bearing cap bolt (M18 x 2) | Initial 30 kg.m + rotating angle 90° | kg.m | |
| Torque | Oil pan plug (M26 x 1.5) | 8 | kg.m | |
| Torque | Rocker arm bracket (M10) | 6.5 | kg.m | |
| Torque | Starting motor (M12 x 1.5) | 8 | kg.m | |
| Torque | Vibration damper (M10) | 6 | kg.m | |
| Valve clearance | Exhaust valve clearance | 0.4 | mm | cold |
| Valve clearance | Intake valve clearance | 0.3 | mm | cold |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
| Fluid | Grade | Standard | Ambient | Capacity | Notes |
|---|---|---|---|---|---|
| Coolant | Soft water + antifreeze 40% + rust preventive additive (DCA4) 3~5% | 20.0 liter | Engine only: P158LE 20 L, P180LE 21 L, P222LE 23 L. Antifreeze % by ambient: over -10°C 15%, -10°C 20%, -15°C 27%, -20°C 33%, -25°C 40%, -30°C 44%, -40°C 50% | ||
| Engine oil | SAE 15W40 | API CD or CE (initial factory fill high quality break-in oil for API Service CH-4) | 21.0 liter | Oil pan capacity P158LE/PU158TI 21 L; P180LE/PU180TI 35 L; P222LE/PU222TI 40 L (max/min 21/17, 35/28, 40/33) | |
| Fuel | ASTM No.1-D / No.2-D / DIN 51601 | Cetane number min 45; sulfur max 0.5 wt% | Cloud point should be 12°C (10°F) below the lowest expected fuel temperature; water & sediment max 0.05% |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Tools: Feeler gauge (60.99901-0027), Spanner, Screwdriver
⚠ Injection lines are designed for high operating pressures and should be handled with particular care.
⚠ Do not bend pipes to permanent deformation.
⚠ Never use steam sprayers, petrol, alkalis or hot liquids to clean the filter elements.
Tools: Air gun, Goggles
⚠ Do not put cold coolant into an engine which is warm from operation.
⚠ If the cap with working valves is opened it may not close tightly again.
⚠ Mechanical over tightening can distort thread or damage the filter element seal.
Tools: V-belt tension tester
⚠ Ensure that the engine can not be started by unauthorized persons.
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
The Doosan PU158TI EASOA/QA has a displacement of 14.618 liters with 8 cylinders.
The Doosan PU158TI EASOA/QA powers 1 generator set(s), including Doosan PU158TI.