Checking Blades Alignment - Stiga T 102 Series Workshop Manual

WORKSHOP MANUAL
T...102/122 - TC...102/122
Validity
General informations
Excessive vibration when cutting and an uneven
cut can be due to misalignment of the blades
o wing to deformation of the flanges or the shafts
as a result of accidental knocks.
Related topics
[ 4.9] Removing, sharpening and balancing the
blades
[ 5.7] Removal of the cutting deck
[ 6.8] Replacement of the supports and shafts of
the blades
Tightening torques
1a Screw for left blade .......................45 ÷ 50 Nm
1b Screw for right blade .....................45 ÷ 50 Nm
Map of functional units

CHECKING BLADES ALIGNMENT

Remove the cutting deck.
WARNING! Always wear strong gloves
when handling the bla des.
NOTE Take note of the unscrewing and screwing di­
rection of the central screw (1a ­ 1b) of each blade.
1b
To check the alignment
of the blades, one of
2
them must first be re-
moved and refitted af-
ter having re mo ved the
shaft key (2), to permit
independent bla de rota-
tion.
With the blades disengaged, firmly hold each blade
and bring the cutting edges together in the various
positions possible (A-B; A-B1; A1-B1; A1-B). At each
position they should be aligned to within 2 mm.
CHAPTER REVISION
4.8 0
A
1a
If higher amounts are found, check that the blades are
not distorted. If this is not the case, check the sup-
ports or the shafts for the blades, re placing if neces-
sary, and check the condition of the point where the
flanges rest on the cutting deck.
IMPORTANT Always replace damaged blades
and do not at tempt to repair or straighten them. Al­
ways use ma nufacturer's genuine spare parts!
IMPORTANT Having made the check, remem­
ber to refit the shaft key (2) and check that the rotating
blades do not interfere with each other during a whole
revolution.
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B
A1
B1
< 2 mm