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20-076 | 03.2017
Operating the Nordforest Titan 80 Mechanical Felling Wedge
Nordforest Mechanical Titan 80 Felling Wedge
EN
Right!
This is how to incorrectly insert the Nordforest Titan 80 Mechanical
Felling Wedge.
•
Root buttresses cut back.
•
Symmetrical "beak cut".
•
Nordforest Titan 80 Mechanical Felling Wedge inserted at least up to
sixth tooth row (see marking).
•
Wedge inserted in felling cut symmetrically (90° to trunk).
•
Wedge securely grips in wood.
Wrong!
•
Asymmetrical "beak cut" (to top or bottom).
•
Wedge not centred in felling cut.
Consequence: Lifting wedge and spindle placed under oblique load.
Damage to spindle, drive nut and lifting wedge.
Wrong!
•
Root buttresses not cut back.
•
Wedge placed under pressure from below from root buttresses. This
means that the wedge is pressed into the felling cut at an increasing
angle.
Consequence: Damage to spindle, drive nut and lifting wedge.
Wrong!
•
Saw edge by chain saw chain in beak cut (above or below possible).
•
Wedge is pressed over the cutting edge due to insufficient projection.
•
Oblique loading of lifting wedge.
Consequence: Damage to spindle, drive nut and lifting wedge.