Installing all spark plugs
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NOTE:
TECHNICAL INFORMATION
Exclusively swiveling extensions may be used for the reversible ratchet. Rigid mounting tool and variable plug connections with rigid option may not be used; there is a risk that the insulator breaks.
Exclusively swiveling extensions may be used for the reversible ratchet. Rigid mounting tool and variable plug connections with rigid option may not be used; there is a risk that the insulator breaks.
NOTE:
TECHNICAL INFORMATION
In order to avoid an uncontrolled flashover of ignition sparks, special attention must be paid to the cleanliness of the insulator (ceramic) of the spark plugs.
Do not tap the insulator of the spark plugs with your fingers or label it and make sure it does not come into contact with liquid media, such as fuel or oil.
Always handle spark plugs at the spark plug thread. Guiding in the spark plugs using a clean hose (installation aid 12 1 230) is permitted.
In order to avoid an uncontrolled flashover of ignition sparks, special attention must be paid to the cleanliness of the insulator (ceramic) of the spark plugs.
Do not tap the insulator of the spark plugs with your fingers or label it and make sure it does not come into contact with liquid media, such as fuel or oil.
Always handle spark plugs at the spark plug thread. Guiding in the spark plugs using a clean hose (installation aid 12 1 230) is permitted.
- Insert spark plug (1) into special tool 0 496 065 (12 1 230) .
NOTE:
TECHNICAL INFORMATION
Do not drop spark plug into spark plug shaft! This can lead to a reduction of the electrode gap and can thus impair smooth running of the engine, especially in idle position.
Do not drop spark plug into spark plug shaft! This can lead to a reduction of the electrode gap and can thus impair smooth running of the engine, especially in idle position.
- First screw spark plug into engine using special tool 0 496 065 (12 1 230)
until it is hand-tight.
- Tighten spark plugs with torque wrench, special tool 0 495 560 (12 1 220) and extension with joint.
TIGHTENING TORQUE SPECIFICATIONS
| Spark plugs | ||
| M12x1.25 | Tightening torque | 23 Nm |
Follow-up work
- Refer to INSTALLING THE IGNITION COILS .
- Refer to IF INSTALLED: PARTIALLY INSTALLING ENGINE VENTILATION LINE .
- Refer to INSTALLING ACOUSTIC COVER .