7.18.4 Battery-charging generator – Drive belt and belt tensioner replacement
Preconditions
☑Engine is stopped and starting disabled.
Special tools, Material, Spare parts
Designation / Use Part No. Qty.
Torque wrench, 20-100Nm
F30026582 1
Ratchet adapter
F30027340 1
Drive belt
(→ Spare Parts Catalog)
Belt tensioner
(→ Spare Parts Catalog) 1
WARNING
Heavy object.
Risk of crushing!
• Use appropriate lifting devices and appliances.
Replacing drive belt and belt tensioner
1. Remove protective cover.
2. Slacken screws (2) and (3) by half a turn.
3. Mount socket or box wrench on screw (1)
and press belt tensioner in direction of ar-
row as far as the stop.
4. Tighten screw (3).
5. Remove drive belt.
6. Screw on screw (2) and replace belt ten-
sioner.
7. Fit new drive belt.
Tensioning drive belt
1. Slacken screw (3) by half a turn.
Result: Belt tensioner moves against the drive belt and tensions it.
2. Tighten screw (3) to specified torque using a torque wrench.
Name Size Type Lubricant Value/Standard
Screw M10x1.5 Tightening torque 60Nm +5Nm
3. Tighten screw (2) to specified torque using a torque wrench.
Name Size Type Lubricant Value/Standard
Screw M10x1.5 Tightening torque 42Nm
144 | Task Description | M015695/03E 2013-03
TIM-ID: 0000007421 - 007
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