6 - Maintenance
88
Vertical alignment of centre and Intermediate section
Before commencing this job make sure that the centre part is
completely horizontal = 71,7 mm exposed piston rod at the slanting
cylinder (A) (if fitted).
Boom wing should be horizontal. If not, align boom wing by means of
axle (B).
1. Loosen nut (C).
2. Rotate axle (B) till boom wing is horizontal.
3. Fasten (C) again.
Horizontal alignment of boom sections
Between intermediate and large outer section (1)
1. Loosen the two stop bolts.
2. Align the boom by means of the control box (VHZ models) or the
hydraulic control lever (VHY models).
3. When boom is aligned, bring the bolts into correct position = the
head of the bolt should just touch the small iron work.
4. Retighten the two stop bolts.
Between large outer section (1) and short outer section (2)
Adjustment is carried out as described above.