8.18 Battery-Charging Generator
8.18.1 Battery-charging generator drive – Drive belt replacement
Preconditions
☑
Engine is stopped and starting disabled.
Special tools, Material, Spare parts
Designation / Use
Part No.
Qty.
Torque wrench, 60–320 Nm
F30452768
1
Ratchet bit
F30027341
1
Torque wrench, 10–60 Nm
F30452769
1
Ratchet bit
F30027340
1
Drive belt
(→ Spare Parts Catalog)
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
Size
Type
Lubricant
Value/Standard
Screw
M10
Tightening torque
60 Nm +5 Nm
9.
Tighten screw (2).
10.
Install protective cover.
11.
Readjust drive belt tension after 30 minutes and after 8 hours engine runtime (→ Page 276).
MS15039/01E 2018-11
| Battery-Charging Generator | 275
TIM-ID: 0000022970 - 007