MAK M 20 - Maintenance

Nozzle Sleeve
Maintenance / Disassembly and reassembly
A5.05. 01.06.50.00
15000
M20
en / 30.09.2010 IB021941 1/2
01
See also: 01.06.01.nn, 07.07.01.nn
Spare parts list: B1.05.01.2.2107
Time requirement: 1 Pers./ 0,50 h
Personnel qualification: skilled engine hand
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Operating medium: Heavy fuel and distillate fuel
Maintenance:
Change the O-rings every 15.000 h
Tools:
Pin spanner W1 2.9122 B
Ring spanner A/F 27 W2* 1.9456 B
Torque wrench W3* 1.9454-6
* no illustration
Auxiliary material
Vaseline**
High-temperature thread paste “Dag S-5080“**
**or product of equal standard
Sequence of operations:
1. Dismount the nozzle sleeve (1).
1.1 Attach the pin spanner (W1) to the nozzle
sleeve (1) so that nozzle sleeve and pin
spanner are engaged.
1.2 Attach the ring spanner (W2) to the pin
spanner and unscrew the nozzle sleeve
until nozzle sleeve and cylinder head (2)
are fully unscrewed and loose.
1.3 Use a brass mandrel and gently drive out
the nozzle sleeve.
CAUTION
Nozzle sleeve and cylinder
head must be fully unscrewed
and loose.
3
4
1
2
W1