10
• Change the guide funnel if damaged. Minor damage
and deformations on the funnel are accepted, the guide
funnel is a seperate part from the coupling jaw and as
long as the function is not reduced there is no need to
replace the funnel.
• Change the bushings using VBG service tools. Press
out the old bushings from below and press in the new
bushings from above as per the fi gure.
The bushings must not be welded in.
Use tool no 9 as a
guide in the lower
jaw bushing.
Use tool no 12 as a
guide in the upper jaw
bushing.
Place the tool on the
bushing before as-
sembly.
3
5a
1
3
2
2
9
12a
10
10
• Mount the wear plate. Tightening torque 47 Nm.
• Put the new mechanism on the coupling jaw and fi t
the screws, but do not tighten completely.
• Carry out the function check on page 6.
• Tighten the screws.
Tightening torque M12 quality 8.8 (dry): 90 Nm.
Removing
Lower jaw bushing
Fitting
Lower jaw bushing
Removing
Upper jaw bushing
Fitting
Upper jaw bushing
Service – maintenance contd.