3
4
5
6
Checking and repairing fuel injectors
34
Disassembling fuel injectors
Fig. 3
Insert injector assembly (the inlet orifice facing
downwards) into the clamping device and hold in a
vice.
Remove union nut and take out nozzle body, inter-
mediate washer, pressure pin, compression spring
and shim.
Take pressure pipe neck out of holder.
Repairing fuel injectors
Fig. 4
Clean interior of injection body (1) with a small
wooden stick and petrol or Diesel fuel.
Clean nozzle needle (2) with a clean cloth.
Clean coked nozzle needle surface on lathe with a
piece of wood (not too hard) dipped into oil.
Note:
To prevent corrosion, do not touch lapped
faces of nozzle needle with the fingers.
The needle and injection nozzle are
matched to each other and must not be
interchanged.
Check cleaned parts for wear and damage,
replacing them if necessary. De-grease new parts.
Assembling fuel injectors
Fig. 5
Insert pressure pipe neck into clamping device.
Insert shim and compression spring.
Fig. 6
Check intermediate piece for wear.
Insert pressure pin and intermediate washer.
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Summary of Contents for D 2840 LE 301
Page 1: ......
Page 2: ......
Page 16: ...Notes 14...
Page 20: ...Engine views 18 Engine views D 2842 LE 301 9 10 11 12 9 8 6 5 4 3 2 1 13 14 15 16 17 18 6 7 8...
Page 150: ...Notes 148...
Page 151: ...149 Service Data...
Page 179: ...177 Special tools...
Page 180: ...Special tools 178 2 3 4 5 6 7 8 1 6 1 6 2 6 3 9 1 9 2 9 3 9...
Page 184: ...Special tools 182 21 22 25 25 2 24 25 1 26 27 1 27 2 27 20 1 19 2 19 1 20 2 19 20 28 23...
Page 186: ...Special tools 184 30 29 32 31 33...
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