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8.7.3 EGR shutoff flaps – Coupling rod replacement
Preconditions
☑
Engine is stopped and starting disabled.
☑
No operating voltage is applied.
Special tools, Material, Spare parts
Designation / Use
Part No.
Qty.
Torque wrench, 8–40 Nm
F30043446
1
Torque wrench, 4–20 Nm
F30044239
1
Ratchet bit
F30027340
1
Assembly compound (Molykote P 37)
50564
Articulated rod
(→ Spare Parts Catalog)
Locknut
(→ Spare Parts Catalog)
Washer
(→ Spare Parts Catalog)
Screw
(→ Spare Parts Catalog)
WARNING
Actuation mechanism in the exhaust and intake area closes automatically.
Risk of crushing hands!
• To carry out the teach-in routine, keep clear of the safety zone of the actuation mechanism in the
intake and exhaust area.
• Switch off the operating voltage of the engine governor before starting the mechanical test.
• Wear protective goggles.
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.
Removing coupling rod
Note:
For installation positions of EGR shutoff flaps,
refer to overview drawing (→ Page 119).
1.
Unscrew screws (2, 3, 4, 5) and remove
guard panel (1) of EGR shutoff flap.
MS150100/06E 2017-08
| Exhaust Gas Recirculation | 121
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