MTU MW15406/17E, Operating Instructions Manual

Page: 164 / 241

7.7.2 HP fuel line – Pressure pipe neck replacement
Preconditions
☑
Engine is stopped and starting disabled.
Special tools, Material, Spare parts
Designation / Use Part No. Qty.
Torque wrench, 20-100 Nm
F30026582 1
Open-end wrench bit
F30025897 1
Spider patch spanner F30027425 1
Spider patch spanner
F30027424 1
Double-head box wrench F30011450 1
Ratchet adapter
F30027340 1
Grease (Kluthe Hakuform 30-10/Emulgier) X00029933
Engine oil
Pressure pipe neck
(→ Spare Parts Catalog)
WARNING
Fuels are flammable and explosive.
Danger to life! Risk of burns!
• Avoid naked flames, electrical sparks and ignition sources.
• Do not smoke.
• Wear protective clothing, protective gloves, and goggles / safety mask.
WARNING
Compressed air gun ejects a jet of pressurized air.
Risk of injury to eyes and damage to hearing, risk of rupturing internal organs!
• Never direct air jet at people.
• Always wear safety goggles/face mask and ear defenders.
Preparatory steps
1. Remove cylinder head cover (→ Page 158).
2. Drain fuel (→ Page 170).
Replacing pressure pipe neck
1. Remove fuel line (3).
2. Remove thrust screw (2).
3. Pull off pressure pipe neck (1).
4. Coat sealing ring with grease (Kluthe Haku-
form 30-10/Emulgier) and wind on to new
pressure pipe neck (1).
5. Blow out fuel line (3) with compressed air.
6. Moisten taper of pressure pipe neck with
engine oil.
7. Insert pressure pipe neck into cylinder
head until it is in contact with the sealing
ring.
8. Fully press in pressure pipe neck (1) by
hand.
164 | Task Description | MW15406/17E 2014-05
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