Replace the ring gear of the flywheel

AR03.30-S-8312B

Replace the ring gear of the flywheel

28.6.95

 

Removing and installing

1

Remove the flywheel (2)

AR03.30-S-8001B

2

Replace the ring gear (1)

Make holes in the ring gear and break it with a chisel, or heat it quickly and remove it quickly.

Check the centring neck diameter (a) for the ring gear


If you do not achieve the nominal value, 

*BE03.30-N-1001-04A

replace the flywheel

 Assembly: Before proceeding to install it, clean the support surface of the ring gear in the flywheel. Heat the ring gear with a radiator or fire and install it on the flywheel

 The ring gear is tempered. When heating it, temperatures above approx. 220° C must not be exceeded
Use thermal chalk!



*WH58.30-Z-1001-08A

Only in exceptional cases must the ring gear be heated evenly with a flame. In this case, only heat the inside of the ring gear.
After replacing the ring gear it is not necessary to balance the flywheel

3

Check possible warping in the ring gear



*BE03.30-N-1002-04A

4

The assembly is carried out in reverse order

Number

Designation

Engine 601.942/970

BE03.30-N-1001-04A

Centring neck diameter "a"

in the ring gear

mm

275,000–275,052

in the flywheel

mm

275,315–275,396

BE03.30-N-1002-04A

Admissible warping of the ring gear

mm

0,25

Number

Designation

WH58.30-Z-1001-08A

Temperature measuring chalk (white, thermochrome),