Perkins珀金斯1506A柴油发动机T400950涡轮增压器

Peregrine EDi and 1300 Series EDi

5  Remove the container and dispose of the fluids safely in accordance with local regulations.

6  Remove the rocker cover, see Operation 3-1.

7  Remove the screws that retain the plate for the electrical cables, and remove the plate (C).

8  Remove the front setscrew (D) from the clamp that retains the injector unit.

C

D

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W219

Caution: Do not remove the rear shouldered setscrew (E1), it is not necessary to do so.

9  Tilt the clamp (F) until it is free from the rear shouldered setscrew.

1

E

F

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Continued

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Peregrine EDi and 1300 Series EDi

10  Push the clamp toward the rear of the engine (G).

11  Use a lever (H) to carefully raise the injector unit.

12  Remove the injector unit.

13  Remove and discard the ‘O’ rings and the washer, see Operation 11-4.

G

H

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Peregrine EDi and 1300 Series EDi

To fit

Operation 11-3

1  Renew the injector unit seals and washer, see Operation 11-4.

2  Carefully insert the injector unit into its sleeve; ensure that the clamp (A1) is aligned to allow the shouldered

rear setscrew (A2) to pass through it.

3  Push the injector unit down (A) until it is on its seat.

4  Tilt the clamp (B) until it is past the head of the rear setscrew.

1

A

2

B

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W221

5  Push the clamp towards the front of the engine (C) until it engages the rear shouldered setscrew and aligns

with the hole for the front setscrew.

6  Fit the front setscrew (D) and tighten it to 13 Nm (10 lbf ft) 1,3 kgf m.

C

D

W220

W219

Continued

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Peregrine EDi and 1300 Series EDi

7  Fit the plate for the injector unit cables (E).

8  Fit the rocker cover, see Operation 3-2.

9  Fit a new ‘O’ ring (F1) to the drain plug and fit the plug (F2) into the gallery in the supply manifold (F3).

1

2

3

E

F

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W212

10  Fit the valve (G1) for the fuel return pipe and tighten it to 35 Nm (26 lb ft) 3,6 kgf m.

11  Fit new copper washers to the banjo union (G3) of the fuel return pipe, fit and tighten the banjo bolt (G2)

to 35 Nm (26 lb ft) 3,6 kgf m.

12  Eliminate air from the fuel system, see Operation 11-9.

1

2

3

G

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Peregrine EDi and 1300 Series EDi

To renew the fuel injector unit seals

Operation 11-4

To remove the old ‘O’ ring seals and seal rings

1  Remove the injector units, see Operation 11-2.

2  Remove the washer (A6) from the injector unit nozzle - copper for WK, WL, WM, and WN engines; stainless

steel for WP, WQ, WR, and WS engines.

Cautions:

l  ‘O’ rings and seals must be renewed each time a fuel injector is removed.

l   If any of the injector units have damaged ’O’ rings or seals, then all injector units must be removed and

checked.

l   During removal of the ‘O’ rings, be careful to avoid damage to the body of the injector unit or the grooves

for the seals.

3  With the use of a suitable smooth tool, lift the lower ‘O’ ring (A5) (orange) out of its groove. Cut the seal and

remove it.

4  Lift the middle seal (A4) (blue and black) out of its groove with the same smooth tool, cut and remove it.

5  Lift the upper ‘O’ ring (A3) (blue), cut and remove it.

6  Lift the rubber ring (A2) (black), cut and remove it.

7  Carefully remove the split ring (A1) (steel).

6

5

3

2

4

1

A

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Peregrine EDi and 1300 Series EDi

To fit the ‘O’ rings and ring seals

Ensure the injector unit is clean, then fit the new seals in the sequence below:

Caution: All ‘O’ rings and seals and the injector unit must be lightly lubricated with new clean engine lubricating

oil before the ‘O’ rings and seals are fitted.

1  Carefully slide the split ring (B1) (steel) over the injector body and into its groove.

2  Carefully slide the rubber ring (B2) (black) over the injector body until it fits into its groove - ensure that the

ring is not damaged.

3  Carefully slide the lubricated ‘O’ ring (B3) (blue) over the injector body until it fits into its groove.

4  Carefully slide the lubricated seal (B4) (blue and black) over the injector body until it fits into its groove.

5  Carefully slide the lubricated lower ‘O’ ring (B5) (orange) over the injector body until it fits into its groove.

6  Fit the washer (B6) to the injector unit:

l   copper for WK, WL, WM, and WN engines;

l   stainless steel for WP, WQ, WR, and WS engines.

7  The injector units are now ready to be fitted, see Operation 11-3.

6

5

3

2

4

1

B

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Peregrine EDi and 1300 Series EDi

Fuel lift pump

To remove and to fit

Operation 11-5

To remove

Note: The fuel lift pump is fitted to the side of the high-pressure pump.

1  Remove the banjo bolts (A1 and A5) from the fuel pipes and discard the washers (A2 and A4).

2  Release the nuts (A3) and remove the pump (A6).

3  Remove and discard the joint.

To fit

1  Clean the joint face on the fuel lift pump and on the high-pressure pump.

Note: Ensure that the eccentric on the camshaft of the high-pressure pump is in the minimum lift position. If it

is not, rotate the crankshaft until it is.

2  Fit a new joint to the lift pump.

3  Check that the push rod (Operation 11-6/A12) is in position and fit the lift pump to the high-pressure pump.

4  Fit and tighten the nuts (A3) gradually and evenly to 6 Nm (4 lbf ft) 0,6 kgf m.

5   Connect the fuel pipes to the fuel lift pump, fit new copper washers (A2 and A4) to the banjo bolts (A1 and

A5). Tighten the banjo bolts to 35 Nm (26 lbf ft) 3,6 kgf m.

3

5

1

4

2

A

6

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