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9.18.2 Battery-charging generator drive – Drive belt replacement
Preconditions
☑ Engine is stopped and starting disabled.
Special tools, Material, Spare parts
Designation / Use
Torque wrench, 60–320 Nm
Ratchet bit
Torque wrench, 10–60 Nm
Ratchet bit
Drive belt
WARNING
Belt tensioner spring is pretensioned.
Risk of hands being crushed!
• Lock belt tensioner in position.
• Only use specified tools and devices.
Battery-charging generator drive – Drive belt replacement
1.
Remove protective cover.
2.
Loosen screws (2) and (3) by half a turn.
3.
Mount socket or box wrench on screw (1)
and press belt tensioner in direction of arrow
as far as the stop.
4.
Tighten screw (3).
5.
Remove the used drive belt.
6.
Fit new drive belt.
7.
Loosen screw (3) by half a turn.
Result:
Belt tensioner moves against the drive belt
and tensions it.
8.
Tighten screw (3) with torque wrench to specified tightening torque.
Name
Screw
9.
Tighten screw (2).
10.
Install protective cover.
11.
Readjust drive belt tension after 30 minutes and after 8 hours engine runtime (→ Page 314).
Size
Type
M10
Tightening torque
MS15065/01E 2019-01 | Battery-Charging Generator | 315
Part No.
F30452768
F30027341
F30452769
F30027340
(→ Spare Parts Catalog)
Lubricant
Value/Standard
60 Nm +5 Nm
Qty.
1
1
1
1
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