7.18.3 Battery-charging generator drive – Drive belt replacement
Preconditions
☑ Engine is stopped and starting disabled.
WARNING
Spring/circlip/tensioning roller preload.
Risk of injury!
• Only use specified tool and equipment.
Battery-charging generator drive –
Drive belt replacement
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 the used drive belt.
6.
Fit new drive belt.
7.
Slacken screw (3) by half a turn.
Result:
Belt tensioner moves against the drive belt
and tensions it.
8.
Tighten screw (3) to specified tightening torque using a torque wrench.
Name
Size
Type
Lubricant
Value/Standard
Screw
M10x1.5
Tightening torque
60 Nm +5 Nm
9.
Tighten screw (2) with torque wrench to the specified tightening torque.
Name
Size
Type
Lubricant
Value/Standard
Screw
M10x1.5
Tightening torque
42 Nm
10.
Install protective cover.
11.
Readjust belt tension after 30 minutes and again after 8 hours engine runtime (→ Page 175).
176 | Task Description | MS150096/01E 2012-08
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