7.12.8 Exhaust flaps – Coupling rod replacement
Preconditions
☑Engine is stopped and starting disabled.
☑Operating voltage is not applied.
Special tools, Material, Spare parts
Designation / Use Part No. Qty.
Torque wrench, 6-50 Nm
F30027336 1
Ratchet adapter
F30027340 1
Assembly paste (Ultra-Therm MTU)
50547
Coupling rod
(→ Spare Parts Catalog) 1
Coupling rod
(→ Spare Parts Catalog) 2
Locknut
(→ Spare Parts Catalog)
Locking screw
(→ Spare Parts Catalog)
Washer
(→ Spare Parts Catalog)
WARNING
Exhaust flaps / air flaps close rapidly.
Risk of crushing!
• Using a suitable tool, check exhaust flaps / air flaps by pressing the actuating linkage to its limit
several times and releasing it.
WARNING
Component is hot.
Risk of burns!
• Wear protective goggles.
Removing coupling rods (bypass and EGR shutoff flaps)
Note: For installation position of exhaust flaps, refer to overview (→ Page 144).
1. Remove guard plates of exhaust flaps.
2. Remove locknuts (2).
3. Take off washers (1).
4. Remove locking screws (5) and (4).
Result: Lever detached from actuator output shaft.
5. Remove coupling rod and lever.
6. Remove washers (3).
MS150112/01E 2014-10 | Task Description | 149
TIM-ID: 0000044549 - 003
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