Maintenance
Maintain the chipper with care and keep it clean at all times.
To service or inspect the equipment, or to change an accessory, you must:
✓ Switch the engine off
✓ Allow the chipper to cool before any inspections or adjustments
✓ Wait until the cutting rotor and engine are at a complete standstill before opening the
cutting rotor housing
✓ Disconnect the spark plug wire from the spark plug
✓ Switch the fuel lever to the off position
Initially after 2 working hours:
✓ Check for any loose nuts and bolts
✓ Check belt tension (refer to belt tension section)
The belt will stretch when it is new
✓ Grease the rotor bearing
One or two pumps are sufficient
Be careful not to over grease
The bearing is already greased when the equipment is new
Use bearing grease or all-purpose grease
Every 20 working hours:
✓ Check for any loose nuts and bolts
✓ Check belt tension (refer to belt tension section)
✓ Grease the bearing as above, be careful not to over grease
✓ Check sharpness of knives
✓ Check condition of the belt guard
A damaged guard must be replaced by an identical or equivalent guard immediately
It is recommended to contact Hansa for a replacement guard.
Knife re-sharpening and knife replacement
How do I know that the knives need re-sharpening?
Chipper loses its self-feeding action with blunt knives
Material has to be pushed in
Material comes out in long strips
How to re-sharpen the knives:
If you don’t have a surface grinder or are unsure how to re-sharpen the knives, contact a professional saw doctor or Hansa to
arrange re-sharpening.
Tools and materials required for re-sharpening (approx. 40 mins):
• 2 x 13 mm spanners
• 2 x 16 mm spanners
• 6 mm hexagonal Allen key
• Nylon hammer (recommended)
• Surface grinder
• Coolant
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