AR03.20-P-4351-05L Tightening Procedure For Crankcase Bottom Section

AR03.20-P-4351-05L Tightening procedure for crankcase bottom section

Crankcase, timing case cover, end cover:

Bolt assignment:

Attach bolts by hand and tighten slightly e.g. with a battery operated screwdriver

Inner and center threaded connection:

External threaded connection:

1 Tighten bolts 1 to 14 according to tightening stage 1, starting with bolt 1.
2 Drive in dowel pins.
3 Tighten bolts 15 to 28 according to tightening stage 1, starting with bolt 15.
4 Tighten bolts 1 to 14 according to tightening stage 2, starting with bolt 1.
5 Tighten bolts 15 to 28 according to tightening stage 2, starting with bolt 15.
6 Tighten bolts 15 to 28 according to tightening stage 3, starting with bolt 15.
7 Tighten bolts 29 to 35 starting with bolt 29.
8 Tighten bolts 36 to 39 starting with bolt 36.
9 Tighten bolts 40 to 54 starting with bolt 40.
10 Tighten bolts 55 and 56, starting with bolt 55
11 Tighten bolts 57 and 61, starting with bolt 57