Lukas HT 90 - 7 Dismantling the Equipment; Deactivation Following Operation; Door Opener; Hand Pump; Hoses

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7. Dismantling the equipment /

deactivation following operation

7.1 Door opener

Attheendofthework,thedooropenersmustberetracteduntiltheyreachtheendposition.

Thisrelieveshydraulicandmechanicalstressonthedevice.

NOTE:

When door openers are in storage, uctuations in ambient temperature can

cause the pistons to move slightly. This physical phenomenon is due to the

di󰀨eringexpansionoftheenclosedhydraulicuid.

7.2 Hand pump

7.3 Hoses

Aftercompletingthework,thehandpumpmustbedepressurised.

Firstdecouplethepressurehose,thenthereturnhoseasdescribedinchapter“Connecting

theequipment”.

Makesurethatyoureplacethedustprotectioncapsonthecoupling.