Replacing The Sensors; Replacing The Blade Motor - Husqvarna Automower 305 Technical Manual

11. Fit the display cover. See 5.2.4 Assembling
chassis, display cover and body on page 51.
12. Assemble the body. See 5.2.4 Assembling
chassis, display cover and body on page 51.
5�15 Replacing the sensors
5�15�1 Lift sensor and Front loop sensor
The front loop sensor and lift sensor are mounted
on the front sensor card. The sensors cannot be
changed separately. The entire front sensor card
must be changed as a unit.
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 from the front sensor
card. Note! Pull on the contact piece - not
the lead.
5. Remove the screws (Torx 20) for the front
sensor card.
Englsih - 58
5� REPAIR INSTRUCTIONS
3020-050
3020-051
6. Fit a new front sensor card.
7. Tighten the screws (Torx 20) for the
front sensor card. NOTE! Do not tighten
the screws too tightly. It can damage
the circuit board. Do not use an electric
screwdriver.
8. Connect the cable to the front sensor card.
9. Fit the chassis. See 5.2.4 Assembling
chassis, display cover and body on page 51.
10. Fit the display cover. See 5.2.4
Assembling chassis, display cover and
body on page 51.
11. Assemble the body. See 5.2.4 Assembling
chassis, display cover and body on page 51.
5�15�2 Collision sensor, tilt sensor and
rear loop sensor
The rear loop sensor, collision sensor and tilt
sensor are parts of the control box. The sensors
cannot be changed separately. The entire control
box must be changed as a unit.
1. See 5.9 Replacing the control box on
page 55.
5�16 Replacing the blade motor
1. Put the main switch in position 0.
2. Dismantle the body. See 5.2.1 Dismantling
body on page 50.
3. Remove the display cover. See 5.2.2
Dismantling display cover on page 50.
4. Turn the chassis upside down.
5. Unscrew the three screws (Torx 20) that
attach the blade disc in the hub. Remove
the blade disc.
6. Unscrew the three screws (Torx 20) that
attach the foot guard. Remove the foot
guard.
7. Undo the screws (Allen 2.5 mm) that lock
the hub on the blade motor shaft. Remove
the hub.
8. Dismantle the chassis. See 5.2.3
Dismantling the chassis on page 50.
9. Disconnect the cable for the blade motor
from the control box. The connector on the
control box is marked Blade.
10. Remove the spring that rests against the
screws that adjust the cutting height.
11. Simultaneously lift up the blade motor