Replacing Blades - Stiga PRIMO Instrucciones De Uso

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6.16.4 Replacing blades

Wear protective gloves when changing
blade(s) to avoid cutting yourself.
Check that the blades are always sharp. This pro-
duces the best cutting results. The blades should be
replaced once a year.
Always check the blade(s) after a collision. If the
blade system has been damaged, defective parts
should be replaced.
Always use genuine spare parts. Non-
genuine spare parts can entail a risk of
injury, even if they fit the machine.
The blades are replaceable. When replacing, both
blades on the same blade bar must be replaced to
avoid imbalance.
Attention!
Note the following when reassembling:
• The blades and blade bar must be installed as in
fig 25.
• The blades can be turned 1/3 of a turn in their
mountings. Select positions so that the blades
are offset 90° from each other. See "6.16.5" be-
low.
Tightening torque:
Screws (25:P) - 45 Nm
Shear bolts (25:Q) - 9.8 Nm
In the event of a collision, the shear bolts (18:Q)
can break and the blades bend back. If this has hap-
pened, install genuine shear bolts and tighten as
above.
6.16.5Synchronising, blades
The deck has synchronised blades.
If one of the blades has struck a solid object (e.g. a
stone), the synchronisation may be altered. This
entails a risk of the blades colliding with each oth-
er.
Correctly synchronised blades must be offset 90°
from each other. See fig. 26.
Always check synchronisation after a collision.
If the blades are not synchronised, one or more of
the following faults may have occurred in the cut-
ting deck:
• The positive drive belt has slipped on the gear
wheels.
• Torque limiting between gear wheels and blade
shaft has deployed. The arrows in fig. 27 must
be opposite each other for an intact deck. When
torque limiting has deployed, the arrows are not
opposite each other.
All manuals and user guides at all-guides.com
ENGLISH
• The blade member is incorrectly installed on
In the event of incorrect synchronisation according
to the two first alternatives, contact an authorised
workshop for repair.
6.16.6 Cleaning
The underside of the deck must be cleaned after
each use.
Set the highest cutting height and set the deck in
the transport position. Cleaning is facilitated if the
machine's front wheels are driven up onto a couple
of planks or similar.
Clean the underside of the deck carefully. Use wa-
ter and a brush.
When the surfaces are completely dry and
clean, touch up the paintwork. Use durable
paint intended for metal outdoors.
7 PATENT - DESIGN REGISTRA-
This machine or parts thereof is covered by the fol-
lowing patent and design registration:
SE 97 0427 & DE M97 07 997.9, EG 000503107-
0001 & -0002.
GGP reserves the right to make alterations to the
product without prior notification.
the blade shaft. Can be installed in three differ-
ent positions. See 25:R.
TION
EN
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