Fuel Injector
Maintenance / Disassembly and reassembly
A5.05. 07.07.01.00
M20
en / 31.05.2010 IB022247 1/3
07
See also: 07.08.01.nn
Spare parts list: B1.05.01.2.2107, B1.05.07.2.2267
Time requirement: 1 Pers./ 0,50 h
Personnel qualification: skilled engine hand
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Operating medium: Heavy fuel and distillate fuel
Tools:
Removal tool for fuel injector W1 2.9122-A
Auxiliary material:
Molykote paste “G-Rapid Plus” *
High-temperature thread paste “Dag S-5080” *
* or a product of equal standard
Sequence of operations:
1. Disassembly
1.1 Switch off the stand-by lubricating oil
pump of the main engine and/or the pre-
lubricating pump at generator operation.
1.2 Release and remove thrust bolts (Fig. 1/1
and 2) and lever off transverse thrust pie-
ce (3) with cover (4) and pull to the left out
of injection pump and cylinder head.
1.3 Pull the radial thrust piece (5) out by about
20 mm.
1.4 Release and remove nuts (Fig. 3/15) of
the studs (11).
1.5 Detach flange place (Fig. 3/12) and over
studs (11) turned by 180° (see Fig. 2).
NOTE
Before working on the injection system, it is recommended to change to distillate fuel
in the case of heavy oil operation in order to rinse the fuel injector thoroughly.
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