7.18 Fan Drive
7.18.1 Fan drive – Drive belt tension check / adjustment
Preconditions
☑
Engine is stopped and starting disabled.
Special tools, Material, Spare parts
Designation / Use
Part No.
Qty.
Optibell 2 belt tension tester
Y4345711
1
Preparatory steps
1.
Remove protective cover.
2.
Check belt condition visually (→ Page 116).
Result:
For drive belt replacement (→ Page 122).
Checking V-belt tension – Rock-
ford S270 fan clutch
1.
Switch on belt tension tester.
2.
Hold measuring tip of belt tension tester
over belt drive. Tap drive belt (arrow) with a
suitable tool.
3.
Hold belt tension tester over belt drive until
the measured value is indicated.
Initial assembly at MTU
Initial operation with fan
Re-tensioning
None
60 Hz ±1 Hz
52 Hz ±1 Hz
120 | Task Description | MS150026/02E 2013-11
TIM-ID: 0000040744 - 001