Repair and adjustment
33
Service instructions
5015108-00Edition 0403
V1452
V693
Bolt A
Screw B
Spindle
Adjusting manual door
This must only be done by authorised personnel.
The door is held in its bottom position by two leaf springs. When the door is pushed up, it
must stop about 10 cm from its top position. The door must always be moved up manually for
the last part of its travel. The inertia of the door is adjusted with a spring as follows:
• Secure bolt A with a socket wrench and retain the grip.
• Remove screw B and insert a rod (4.5 mm diameter) in the hole.
• Adjust the spring by tightening bolt A about one-sixth of a turn with the socket wrench,
removing the rod at the same time.
Note:
Bolt A or the rod must be held securely or the spring will escape.
• When adjustment is complete, insert and tighten screw B.
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