1.        Standard ambient conditions of engine operation                                         

Air pressure                            100kPa

Relative humidity                       30%

Ambient temperature                    25�?/st1:chmetcnv>

2�?/SPAN>Requirement

2.1   Complete with:

   TBD620V16 industrial engine, scope of supply as follows:  

A     Basic engine

   Main fixed parts include: crankcase, cylinder head, cylinder liner, front end wall, back end wall etc.

   Main moving parts include: piston, connecting rod, crankshaft, flywheel, torsinal damper etc.

B   Air intake system

Air intake system includes: plate type air filter, charge air cooler, air intake pipe, crankcase breather (to air, with oil separator)

C   Exhaust gas system

Consist of: exhaust main (with heat insulation shield), turbocharger (with heat insulation shield), exhaust elbow (with heat insulation shield), compensator and silencer (extra supply).

D   Lubrication system

Consist of: electric lubrication pump (3kW/DC24V,loose), oil pump, oil filter, oil centrifugal pump, oil cooler, pressure reducing valve, oil pipe etc, which is closed circulation.

E  Cooling system

Completed with HT/LT water pump, thermostat and heat exchanger.

F  Fuel system

Fuel system is made up with: manual fuel pump, fuel delivery pump, fuel filter, injection pump, high injection pipe, injector and pipeline. Suction high for low pressure fuel delivery pump and manual fuel pre-pump is 2m.

The user shall mount a fuel pre-filter with fuel water separating function, filtering precision is no more than100μm, after fuel water separating, the water content should be�?/SPAN>200mg/kg.   

G  Starting system

   DC24V 9kW electric starter (advise battery capacity is 200A.h×2), charging dynamo is 28V, 40A.

H  Electrical system

     Local Operation Panel

     The engine is equipped with standard local operation panel (loose).

   Without switchboard cabinet.

    Alarm value settings:

   Over speed protection, setting value is 113%~115% rated speed.

   Alarm of HT cooling water temperature high, setting value is 90~92�?/SPAN>

  Alarm of oil pressure low, setting value is 0.18~0.20MPa

Alarm and stop of too high oil pressure, setting value is 0.18~0.2MPa

Alarm and stop of high pressure of crankcase, setting value is 1.2kPa

Connections dimension

I    Governor system

  Heinzmann digital electronic governor (DC6), including controller, actuator, speed pick-up, special cable (8m loose).

J    Flywheel end output.

Flywheel: SAE21, without flywheel house

Flywheel teeth: 218

K     Engine mountings: rigid mounting

4.3    Characteristic

4.3.1     Functional characteristic

4.3.1.1     Technical parameter

    Engine type: TBD620V16

Mode: V type 90°angle

Air intake mode: turbocharged, air cooling.

Cylinder No.: 16 cylinders

Cylinder bore/stroke: 170/195mm

Prime power/speed:1760kW/1500rpm

Standby power/speed: 1936kW/1500rpm

Note: Standby power is used as the operation power under various loading when emergency condition, every 12 hours allowed to operate 1 hour and no more 25 hours every year, to make fuel limit as per requirement ISO3046 .

Low load performance: the engine is able to operation for long time continuously when no less than 25% rated power.

Note: modification as per factory’s standard if atmosphere condition is not in accordance with 3.

Crankshaft direction: anti-clockwise (from flywheel end)

Idle speed of engine: 950�?/SPAN>1050r/min

Exhaust back pressure�?2.5kPa

Fuel designation: 0# or -10# normal light diesel according to GB252

Oil designation: according to L-ECD-GB11122, concrete oil designation according to ambient temperature.

Cooling water additive: NL type emulsion (as per manual requirement)

Engine characteristic curve: according to loading characteristic.

4.3.1.2       

Technical performance

Oil consumption               ï¿½?st1:chmetcnv w:st="on" UnitName="g" SourceValue="1.3" HasSpace="False" Negative="False" NumberType="1" TCSC="0">1.3g/kW.h (rated condition)

Fuel consumption              �?05+5%g/kW.h (rated condition)

4.3.2

    Physical characteristic

4.3.2.1

      Engine exterior dimension (length×width×height): 3400×1450×2200mm

4.3.2.2 

      Engine weight: about 6300kg (1+3%)  

4.3.2.3

      Painting color: Blue RAL5017

4.3.2.4

      Packing: wooden case.

5.

  Test and acceptance

According to factory’s standard.

6. 

  Spare parts, accessories and tools

 According to factory’s standard to supply.

Spare parts         1 set    

Accessories        1 set 

Standard tools      1 set    

7.

  Working data

1)     Engine exterior installation drawing, system drawing

2)     Sensor arrangement drawing

8.    Documentations

   a        620 series engine operation manual               1 copy/engine

   b        Quality certificate                              1 copy/engine

   c        Technical documentation                        1 copy/engine

   d        Spare parts catalogue                           1 copy/engine