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5.3 Replace the blades
WARNING: Use blades and screws of
the right type. McCulloch can only guarantee
safety when using original blades. Only
replacing the blades and reusing the screw
can result in a screw wearing during
mowing. The blades can then be propelled
from under the body and cause serious
injury.
Replace worn or damaged parts for safety reasons.
Even if the blades are intact, they should be replaced on
a regular basis for the best mowing result and low
energy usage. All 3 blades and screws must be replaced
at the same time to obtain a balanced cutting system.
Use McCulloch original blades embossed with the
crowned H-mark logotype, refer to
Warranty terms on
page 47
.
5.3.1 To replace the blades
1. Press the STOP button.
2. Open the hatch.
3. Press the ON/OFF button for 3 seconds to turn off
the product.
4. Check that the indicator lamp on the keypad is not
lit.
5. Turn the product upside down. Place the product
on a soft and clean surface to avoid scratching the
body and the hatch.
6. Remove the 3 screws. Use a straight slot or cross-
tip screwdriver.
7. Remove each blade and screw.
8. Fasten new blades and screws.
9. Check that the blades can pivot freely.
5.4 Firmware update
If service is done by McCulloch customer service then
available firmware updates are downloaded to the
product by the service technician. Owners of McCulloch
products can update the firmware if this is initiated by
McCulloch. Registered users are in that case notified.
5.4.1 To update the firmware
1. Open the battery hatch. Refer to
To replace the
battery on page 31
.
2. Plug in a USB printer cable (USB A and USB B
contacts) in the product and your computer. The
USB printer cable is available as an accessory.
3. Go to www.mcculloch.com, search for and
download the firmware update tool and follow the
instructions.
4. Remove the USB printer cable and close the
battery hatch.
30
- Maintenance 1411 - 007 - 23.09.2020
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