Fan Drive; Fan Drive Belt– Tension Check / Adjustment - MTU 20 V 4000 C22 Operating Instructions Manual

7.19 Fan Drive

7.19.1 Fan drive belt– Tension check / adjustment
Preconditions
☑ Engine is stopped and starting disabled.
Special tools, Material, Spare parts
Designation / Use
Optibell 2 belt tension tester
Preparatory steps
1. Remove guard cover.
2. Check belt condition visually (→ Page 119).
Result: If required, replace drive belt (→ Page 127).
Checking Vee belt tension
1. Switch on belt tension tester.
2. Hold measuring tip of belt tension tester over belt drive. Tap drive belt (arrowed) with a suitable tool.
3. Hold belt tension tester over belt drive until the measured value is indicated.
Initial assembly at MTU
36 Hz ± 5 Hz
Initial operation with fan
49 Hz ± 5 Hz
M015675/05E 2011-10 | Task Description | 125
Part No.
Y4345711
Belt tension adjustment
44 Hz ± 5 Hz
Qty.
1