LiftMaster AA250EVK Manuel D'installation page 8

INSTALLATION
3.e
3.d
3.f
max. 120°
3.i
3.h
3.g
5.5 Emergency Release Mechanism
To disengage the release mechanism remove the plastic cover, enter the key and turn it 90°.
Pull the clutch up (see picture 4). To re-engage the release meachanism, push the clutch down and turn the key 90°.
Picture 4
4.a 4.b
7