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increase closure effort
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RELATED FAQS
Question
Answer
How do you slow down the closing speed of the 4600 series operator?
Resolution:
The hydraulic closer underneath the control box has 3 regulating valves (like any 4040 series hydraulic closer). Main Speed - adjust closing speed from 90° open down to 10°. Latch Speed - adju...:
What are the new announced ND-Series features?
Resolution:
ND-series locks manufactured on or after January 30, 2017 will ship with an improved spring cage and matching lever design. The design features are noted below. Because of this change, there a...: