Floor Spring 90
- A = Fixing Screw
- B = Height Adjustment Screw
- C = Regulation Valve 90°~20°
- D = Regulation Valve 20°~0°
- E = Left & Right Adjusting Screws
- F = Pivot Centre
Fitting Instruction for double action doors:
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Adjustment in cement box:
To adjust the position of floor spring in cement box:
Loosen fixing screws (A). Move floor spring to required position and use screws (B) for height adjustment. Retighten screws (A) after adjustment.
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Centre hung doors:
For centre hung doors, floor spring should be in centre of cement box.
Maximum door opening angle is 120° in each direction. For door opening upto 120° door stop MUST BE FITTED. Ensure that top centre is properly aligned with floor spring.
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Adujstment of Closing Speed:
To Regulating Valves (C) & (D). (↱) decrease closing speed, (↰) increase closing speed.
Valve C : controlled closing range 90°~20°
Valve D : controlled closing range 20°~0°
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Attachment of Cover Plate:
Press insert piece 1 into gap behind spindle and secure cover plate 2 to floor spring with fixing screw 3.
- Preparation works Mili or route door and frame to accept relevant top centre parts.
- Top centre. frame portion To change the extended "throw" of the pivot pin 3 proceed as follows:
- Top centre. door portion Install pivot to door section as shown.
- Installation of door Bring door gently down onto floor spring; Open door to gain access to top centre; lower pivot pin 3 into bearing by turning adjustment screw 1 clockwise.
- Attachment of cover plate Secure cover plate 5 to top centre frame portion by using two (2)M 4x6 screws provided.
Unscrew shoulder screw 4, turn adjustment screw 1 counter clockwise until pivot pin 3 and rocker arm 2 can be removed.
Reassemble in pivot pin 3. Maximum "throw" is achieved with rocker arm 2 in position A.
Ensure that the top centre is properly aligned with floor spring.
Ensure proper engagementof pivot pin into door portion of top entre.
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