Spark Plug - Removal - MTU MS15027/02E Operating Instuctions

6.3.2 Spark plug – Removal
Preconditions
☑Engine is stopped and starting disabled.
☑Open protective packing of new spark plug only immediately prior to installation.
Special tools, Material, Spare parts
Designation / Use
Special wrench, 20.8 mm
WARNING
Hot components/surfaces.
Risk of burns!
• Allow the engine to cool down to below 50 °C before beginning work.
• Wear suitable protective equipment/thermal gloves.
• Avoid unprotected contact with hot surfaces.
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.
Removing spark plug
1. Remove spark plug connector (1)
(→ Page 159).
2. Unscrew spark plug a few turns.
3. Clean spark plug bore with compressed air.
4. Unscrew spark plug from cylinder head and
remove from spark plug bore.
MS15027/02E 2015-04 | Task Description | 155
Part No. Qty.
F30452574 1