Battery-Charging Generator Drive - Drive Belt Replacement - MTU 12 V 4000 G23 Technical Documentation Manual

154
6.17.2 Battery-charging generator drive – Drive belt replacement
Preconditions
• Engine is stopped and starting disabled.
Spare parts
Designation / Use
Drive belt
Spring/circlip/tensioning roller preload.
Risk of injury!
WARNING
Battery-charging generator drive – Drive belt
replacement
1. Remove guard cover.
2. Slacken screws (1) and (2) by half a turn.
3. Place socket adapter or box wrench on screw (3)
and press belt tensioner in the direction indicated
by the arrow as far as it will go.
4. Tighten screw (2).
5. Remove the used drive belt.
6. Fit new drive belt.
7. Slacken screw (2) by half a turn.
Result: Belt tensioner moves against the drive
belt and tensions it.
8. Use torque wrench to tighten screw (1) to the
specified torque 42 Nm and screw (2) to 60 Nm
up to 65 Nm.
9. Install guard cover.
10. Readjust belt tension after 30 minutes and again
after 8 hours engine runtime. (→ Page 153)
M015710/01E 07-02
• Only use specified tool and equipment.
Task Description
Part No. Qty.
© MTU