MTU 16V4000C21 - Grounding Device - Carbon Brush Replacement

8.4.2 Grounding device – Carbon brush replacement
Preconditions
☑ Engine is stopped and starting disabled.
Special tools, Material, Spare parts
Designation / Use Part No. Qty.
Torque wrench, 4–20 Nm
F30044239 1
Screw locking compound (Loctite 270)
40083 1
Carbon brush
(→ Spare Parts Catalog)
Replacing carbon brush
1. Undo screw (1) with washer.
2. Disconnect cable from screw (1).
3. Undo screws (4) and (5).
4. Remove screws (3) and (7).
5. Remove carbon brush (6) from adapter (2).
6. Fit new carbon brush (6) on adapter (2).
7. Tighten screws (4) and (5) finger-tight.
8. Turn screws (3) and (7) as far as the stop and
tighten lightly.
9. Tighten screws (4) and (5) to specified torque using a torque wrench.
Name Size Type Lubricant Value/Standard
Screw 1/4"-20 Tightening torque (Screw locking com-
pound (Loctite 270))
9 Nm +1 Nm
Note: Apply screw locking compound to thread only to prevent isolating effect.
10. Connect cable to screw (1) with washer.
11. Tighten screw (1) to specified torque using a torque wrench.
Name Size Type Lubricant Value/Standard
Screw M6 Tightening torque (Screw locking com-
pound (Loctite 270))
9 Nm +1 Nm
86 | Running Gear | MS150049/04E 2017-04
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