26
16.1.2 RELEASING CRANKSHAFT TENSION
If parts of the crankshaft have been replaced, the crankshaft may be more difficult to
turn. Pre-tension can be the cause. It is necessary to eliminate the sources of
tension as follows, see fig. 21:
Use a hammer to tap against the centre of the crank, starting with crank 1 located
next to the V-belt drive. Do this alternately left and right from the crank.
Feel whether the crank moves in the bearing and continue until the crank settles into
place.
Repeat this procedure for each adjacent crank until all of the cranks have settled into
position and the crankshaft turns more easily.
@ After repairing the crankshaft, the nuts must be checked regularly for looseness.
@ Do not mount the cranks on the wrong side of the machine. See the parts page
for the correct part numbers.
800 Nm (590 lbf.ft.)
!!Lock washer!!
100 Nm (73.8 lbf.ft.)
A
100 Nm (73.8 lbf.ft.)
B
100 Nm (73.8 lbf.ft.)
!!Lock all bolts/nuts with Loctite!!
40 Nm (29.5 lbf.ft.)
80 Nm (59 lbf.ft.)
100 Nm (73.8 lbf.ft.)
80 Nm (59 lbf.ft.)
100 Nm (73.8 lbf.ft.)
800 Nm (590 lbf.ft.)
1
4
2
3
Timing starting reference element 1
Element 1
90 degrees 0.00h
Element 2
270 degrees 6.00h
Element 3
0 degrees 3.00h
Element 4
180 degrees 9.00h
1 2 3 4
Fig. 22
16.2 TORQUE VALUES
Figure 22 shows the torque values for the most important bolts/nuts of the Verti-
Drain
®
unit. The bolts and nuts for which no values are given must be tightened with
the same torque as similar bolts and nuts. When bolts and nuts come loose, Loctite
may be used to prevent this from occurring again.
