Grasselli NAB M, Technical Manual

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NAB M
d) Thickness removed too great
1) Blade not fitted correctly.
2) Blade position not correct.
3) Check the wear on the blade holder springs.
4) Blade holder knobs not tightened sufficiently.
5) Distance between stripper roller and blade holder too great.
e) Damaged product
1) Rubber roller pressure too great.
2) Rubber rollers positioned badly.
3) Incorrect rubber roller for the application.
f) Excessive wear on stripper roller
1) Blade holder damaged.
2) Stripper roller bearings to be replaced.
3) Incorrect gap between toothroller and blade holder.