Spark Plug: Service and Repair

REPLACING ONE SPARK PLUG CONNECTOR





- (nondisconnectable version - 30 kV system)
- Cut off ignition lead as shown.





- Strip ignition lead end by 6 mm with a stripping pliers (1.5 mm wire cross section size).





- Place connector on ignition lead and insert in Special Tool 12 1 091 as shown.
- Move clamping jaws together by turning screw against stop.





- After squeezing release jaws and take out the ignition lead.
- Perform tear-out test by hand (tearing-out force: > or = 200 N / 44 lbs.).





- Spray a thin coat of lubricant 12 1 098 on guiding sleeve of Special Tool 12 1 092.





- Unscrew screw (1).
- Slide in ignition lead against stop (see picture), follow with pliers and slide in ignition lead further until connector is heard to engage.





- Tighten screw (1) enough, that the pliers can be pulled back.

Caution!
Opening the pliers too much could cause the plug receptacle to break. The plug receptacle is shown cut open for better illustration