Replacing The Keypad - Husqvarna 536LiL Workshop Manual

Repair Instructions

9.10 Replacing the keypad

NOTE!
The circuits in the keypad are very sensitive
and therefore always replace a dismantled
keypad with a new one!
The keypad need only be replaced if the diag-
nosis or troubleshooting indicates there is a
fault or when replacing the control handle.
1
Dismantle the operating handle.
Refer to "Basic dismantle/assembly".
2
Disconnect the contact from the keypad.
Carefully loosen the keypad from the trimmer.
NB! The keypad on trimmer LiL is mounted on
a removable panel.
See figure 21
3
Clean/degrease the surface where the keypad is
mounted.
See figure 22
4
Make sure the temperature is at least 15°C and the
surface where the keypad is mounted differs no
more than ± 3°C from the ambient temperature.
See figure 23
5
Remove the protective tape from the new keypad
and press it onto the trimmer. Press on the panel
with 10 N/cm for at least 10 seconds.
2
NB! Do not bend the keypad when assembling.
See figure 24
6
Connect the contact.
7
Assemble the operating handle.
Refer to "Basic dismantle/assembly".
50 –
English
Fig 21
Fig 22
Fig 23
Fig 24
>15°C
10 N/cm 2
>10 sec