帕金斯柴油發(fā)電機(jī)組燃油輸送泵2806

Fuel transfer pump

To remove and to fit

To remove

  Disconnect the fuel pipes from the fuel transfer pump (A2).

Operation -2

2  Use plugs or caps to seal temporarily all openings to prev ent contamination of the fuel system.

  Remove the bolts (A) and withdraw the fuel transfer pump.

To fit

  Check the condition of the ‘O’ ring seal on the fuel transfer pump, renew the seal if it is worn or damaged.

2 Ensure that the ‘O’ ring seal is fitted correctly to the fuel transfer pump. Apply a small amount of clean engine

oil to the seal.

  Fit the fuel transfer pump (A2) and retain with two bolts (A).

4  Remove the plugs or caps from the fuel pipe openings and connect the fuel pipes.

5  Eliminate air from the fuel system, Operation -6.

2800

To test

Use a suitable test rig and diesel fuel to test the fuel transfer pump.

2

Operation -

2

2

  Run the pump at 2940 rev /min. The flow at 650 kPa (94 lb/in ) must be 4,5 litres/min (.0 UK gall/min).

2  Run the pump at 840 rev/min. The flow at 550 kPa (80 lb/in ) must be ,0 litres/min (0.66 UK gall/min).

  Run the pump at 00 rev/min with the inlet to the atmosphere for 0 seconds. The pump must maintain a

vacuum of 60 kPa (9 lb/in ) for 0 seconds when the inlet is blocked.

If the pump cannot achieve the figures given above, it must be renewed.

2800

Drive for the fuel transfer pump
To remove and to fit

To remove

  Remove the fuel transfer pump (A2), Operation -2.

Operation

2  Remove four bolts and washers (A) and withdraw the assembly  of the pump drive and housing (A) from

the gear case.

 Remove the three bolts from the hous ing (B) and remove the assembly of the bearings and gear (B2) from

the housing.

4  Remove the ‘O’ ring seal (B) from the housing.

5  Inspect all components, renew any which are worn or damaged.

To fit

  Fit the assembly of the bearings and gear (B2) into the pump drive housing (B).

2  Retain the gear and bearings in the housing with the three bolts.

  Fit a new ‘O’ ring seal (B) to the housing.

4 Insert carefully the assembly of the pump drive and pump drive housing into the gear cas e. Retain with four

bolts and washers.

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