English - 59
housing and the screws that adjust the
cutting height. Lift out the two guide rails
that are located between the blade motor
housing and the chassis’ lower part. Note
the position on the guide rails so that they
can be reassembled correctly later.
12. Unscrew the three screws (Torx 10) that
attach the blade motor in the blade motor
box. Remove the blade motor.
13. Fit a new blade motor in the blade motor
housing.
14. Fit the guide rails in the lower part of
the chassis. NOTE! Check that they are
assembled correctly. See illustration below.
If incorrectly mounted the height adjustment
function will be defective.
15. Simultaneously assemble the blade motor
housing and the screws that adjust the
cutting height in the chassis’ lower part
16. Fit the spring that rests against the screws
that adjust the cutting height.
17. Connect the cable for the blade motor to the
control box.
18. Fit the chassis. See 5.2.4 Assembling
chassis, display cover and body on page 51.
19. Turn the mower upside down.
20. Fit the hub, foot guard and blade disc.
21. Place the mower on its wheels.
22. Fit the display cover. See 5.2.4 Assembling
chassis, display cover and body on page 51.
23. Assemble the body. See 5.2.4 Assembling
chassis, display cover and body on page 51.
24. Set the main switch to position 1. Test that
the blade motor is working by using the test
function in the menu Tools -> Test -> Motor
-> Blade motor (5-3-1).
5�17 Replacing wheel motor
1. Dismantle the body. See 5.2.1 Dismantling
body on page 50.
2. Remove the display cover. See 5.2.2
Dismantling display cover on page 50.
3. Dismantle the chassis. See 5.2.3
Dismantling the chassis on page 50.
4. Disconnect the cable for the wheel motor
from the control box. If both the wheel
motors are to be replaced at the same
time, note which motor cable goes to
which contactor on the control box so
that it is correctly reassembled later. The
connector on the control box is marked
Right and Left.
5. Remove the hub cap on the drive wheel.
The hub cap is secured by means of three
snap fasteners that are accessed from the
inside of the drive wheel.
6. Unscrew the three screws (Torx 25) that
attach the drive wheel in the hub. Save the
washer that is located between the screws
and the wheel. Remove the drive wheel.
7. Unscrew the three screws (Torx 20) that
secure the wheel motor in the lower
section of the chassis. Remove the wheel
motor and the gasket.
8. Fit a new wheel motor with a new gasket.
5� REPAIR INSTRUCTIONS
Check that there is no dirt between the
motor and the chassis� Also check that
the seal is seated correctly�
IMPORTANT INFORMATION
3020-052
3020-053
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