Husqvarna K 1270 SmartGuard Bedienungsanweisung Seite 14

A
B
T2
CAUTION:
worn blades may cause increased wear on
the side of the segments. Replace the blade
before it is worn out.
To examine the spindle shaft and the
flange washers
CAUTION:
flange washers with a minimum diameter of
105 mm/4.1 in.
WARNING:
or dirty flange washers. Use only flange
washers of the same dimension. Incorrect
flange washers can cause the cutting blade
to become damaged or come loose.
Examine the spindle shaft and the flange washers when
you replace the cutting blade.
1. Make sure that the threads on the spindle shaft are
not damaged. Replace damaged parts.
2. Make sure that the areas of contact on the cutting
blade and the flange washers are not damaged.
Replace damaged parts.
3. Make sure that the flange washers are clean and of
the correct dimension.
14
Some cutting situations and
Use only HUSQVARNA
Do not use defective, worn
4. Make sure that the flange washers move freely on
the spindle shaft.
To do a check of the arbor bushing
The arbor bushings are used to attach the product to the
center hole of the cutting blade. The product is supplied
with one of these two types of arbor bushings:
• An arbor bushing that can be turned to the other side
and be applicable for 20 mm/0.79 in. or 25.4 mm/1
in. center holes.
• A 25.4 mm/1 in. arbor bushing.
• A decal on the blade guard shows installed arbor
bushing and specification for applicable cutting
blades.
• Make sure that the dimension of the center hole of
the cutting blade agrees with the installed arbor
bushing. The diameter of the center hole is printed
on the cutting blade.
• Use only HUSQVARNA arbor bushings.
To examine the direction of rotation of
the cutting blade
1. Find the arrows on the rear belt guard that show the
direction of rotation of the spindle shaft.
2. Find the arrow on the cutting blade that shows the
direction of rotation of the cutting blade.
3. Make sure that the direction arrows of the cutting
blade and the spindle shaft have the same direction.
To install the cutting blade
WARNING:
is off and that the stop switch is in the STOP
position.
Make sure that the engine
1631 - 001 - 04.05.2021