Cutterblade Assembly; Cutterblade Sharpening - Hayter Harrier 48 Owner's Handbook Manual

MOWER MAINTENANCE

Cutterblade Assembly

1
2 3

Cutterblade Sharpening

3 0 °- 4 5 °
1.22
A s s e m b le t h e cut t e r b lade wi t h t h e t u r n e d up e d ge s faci n g t o war d s t h e
e n gi n e . S e c ur e t h e cut t e r b lade us i n g t h e bolt (1 ), s p r i n g was h e r (2 ) , and
di s t a nce pi e c e (3 ) and t i g ht e n t o a t o r q ue of 5 4 Nm
A s l i g ht l y wor n cut t e r b lade m a y be r e - s h ar p e n e d . B ot h blade e d ge s
m u s t be s h ar p e n e d e q ually t o e n s u r e balance . S har p e n t h e cut t e r b lade
e v e r y 2 5 m o wi n g hour s or m o r e fr e q ue n t l y i f condi t i o ns r e q ui r e .
Re m o ve t h e cut t e r b lade fr o m t h e m o we r and cle a n us i n g a br u s h and
wat e r . I n s p e c t t h e cut t e r b lade for s i g ns of dam a ge .
S har p e n bot h cut t i n g e d ge s wi t h a flat fi l e t o r e s t o r e pe r f or m a nce .
Ens u r e t h at t h e cut t e r b lade i s balance d . U s e a s c r e w dr i v e r wi t h a
r o und s h aft t o s u ppor t t h e cut t e r b lade t h r o ugh i t s ce n t r e hole . Hold t h e
cut t e r b lade hor i z ont a l and t h e n r e l e a s e . A balance d cut t e r b lade wi l l
r e m a i n hor i z ont a l.
I f t h e cut t e r b lade i s not balance d t h e he a vy e n d wi l l r o t a t e downwar d s .
S har p e n t h e he a vy e n d unt i l t h e cut t e r b lade i s cor r e c t l y balance d .