20.
Risk of burn injuries due to contact with hot
sur
faces.
Slight or moderate injury possible.
ð
Wear protective gloves.
Heat input flange.
21. Slide input flange onto the pinion until
contact is obtained.
Fig. 133
22. Use AA02.016.086 [Plug insert],
AA00.640.418 [Suppor
t fixture] and
5870.203.002 [Power screwdriver] to tighten
the double hexagon nut removed during
disassembly.
Tightening torque: 1,000 Nm
Fig. 134
23. Rotate pinion several times in both directions.
24.
Check the necessary pinion bearing rolling
torque 4 Nm – 10 Nm.
25. If the rolling torque is too small, retighten the
double hexagon nut, until the necessary
rolling torque is reached.
Tightening torque: 1,000 Nm – 1,700 Nm
▪ In case of an insufficient rolling
t
orque, install a thinner ring.
▪ In case of an excessive rolling torque,
install a thicker ring.
26. Note down the applied tightening torque and
ad
justed rolling torque.
Fig. 135
Assembly
78
EN 4472.751.001 - 2015-11
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