6.3.3 Spark plug – Installation
Preconditions
☑
Engine is stopped and starting disabled.
☑
Open protective packing of new spark plug just immediately prior to installation.
Special tools, Material, Spare parts
Designation / Use
Part No.
Qty.
Torque wrench, 10-60 Nm
F30452769
1
Special wrench, 20.8 mm
F30452574
1
Assembly compound (Molykote P 37)
50564
1
Spark plug
(→ Spare Parts Catalog)
Sealing ring
(→ Spare Parts Catalog)
Spark plug connector with ignition line
(→ Spare Parts Catalog)
Locking plate
(→ Spare Parts Catalog)
DANGER
Live components, flash-over.
Risk of serious injury - danger to life!
• Always wear electrical gloves (class 4 minimum) when touching the ignition cable in operation.
WARNING
Component is hot.
Risk of burning!
• Wear protective gloves.
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.
Spark plug – Installation
1.
Clean and dry the mating surfaces on spark
plug (1), sealing ring (2) and cylinder head.
2.
Fit new sealing ring (2) on spark plug (1)
with the flat side facing the isolator.
3.
Check condition of spark plug connector
and ignition cable, replace parts if dam-
aged.
4.
Apply thin coat of assembly compound to
spark plug.
136 | Task Description | MS150115/00E 2013-10
TIM-ID: 0000043425 - 002