Clutch Installation and Adjustment LD-16 Door Operator - Modernization
54 © Vertical Express
Adjust Car Door Interlock/Restrictor
The horizontal location of the car door interlock/restrictor ramp determines when the restrictor latch
starts to open as the car door reaches a fully closed position. See Figure 49.
Troubleshooting
Figure 49 - Adjust Car Door Interlock/Restrictor
Problem Reason Solution
Car door interlock/restrictor
does not open.
Hoistway door is already closed.
Move car door interlock/restrictor
ramp in the Door Open direction.
Hoistway door is not locked
and the car door is closed.
Hoistway door latch does not lock because
of closing force, wind, or dirt in the sill.
Move car door interlock/restrictor
ramp in the Door Close direction.
Ramp (single-speed doors)
Restrictor Latch
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