Elevator Door Lock Device FEL-161A: Core Safety Component from Nanjing Zhuye Elevatorparts

Step-by-Step Usage Guide for Elevator Door Lock Device FEL-161A

1. Professional Installation & Commissioning

• Safety Preparation: Cut off the elevator’s main power supply and hang a “Maintenance in Progress—Do Not Power On” sign at the power switch. Fix the elevator car to a safe position and lock the door in the closed state using a safety bracket. Clean the installation position on the elevator door (car door and landing door) to remove dust, oil stains, and debris that may affect the fit of the door lock device.
• Device Installation: Align the FEL-161A door lock device with the preset installation holes on the door leaf and door frame, and fix it firmly using high-strength bolts provided by Nanjing Zhuye Elevatorparts. Ensure the lock hook and lock tongue are accurately engaged when the door is closed, with no gaps or jamming. The tightening torque of the bolts must comply with the elevator’s technical requirements (typically 18–22 N·m) to prevent loosening due to long-term vibration.
• Electrical Wiring & Calibration: Follow the elevator wiring diagram and Nanjing Zhuye’s technical guidance to connect the FEL-161A’s electrical switches to the elevator control system. Ensure the wiring is tight and the insulation layer is intact to avoid short circuits. After wiring, calibrate the door lock’s triggering position: adjust the position of the lock tongue so that the electrical switch is triggered exactly when the door is fully closed, and the switch is disconnected immediately when the door is slightly opened.
• Post-Installation Testing: Restore the power supply and conduct comprehensive safety tests. Test the locking performance: close the elevator doors and try to open them manually (under maintenance mode) to confirm the lock is secure. Test the signal transmission: operate the elevator to run between floors and check if the control system can correctly identify the door lock status (the elevator cannot run if the doors are not locked). Conduct at least 20 cycles of door opening and closing tests to ensure the door lock device operates stably without misoperation.

2. Daily Operation & Routine Inspection

• Daily Visual Inspection: During elevator maintenance, check the external state of the FEL-161A through the door inspection window. Ensure the zinc alloy shell is free of cracks, deformation, or corrosion; check the lock hook and lock tongue for obvious wear, deformation, or jamming; confirm that the electrical wiring is intact and the connectors are tight.
• Weekly Functional Check: Operate the elevator in maintenance mode to test the door lock’s triggering sensitivity. Close the doors and check if the elevator control system displays “doors locked” normally; slightly open the doors and confirm the elevator immediately stops running (if in operation) and the fault alarm is triggered. If there is a delay in signal transmission or misoperation, inspect the door lock device immediately.
• Monthly Parameter Monitoring: Use a tension meter to detect the locking force of the FEL-161A, ensuring it is not less than 800N (the minimum safe value). Use a multimeter to detect the electrical switch’s on-off performance, ensuring there is no poor contact or false triggering. Check the wear of the lock hook and lock tongue—if the wear depth exceeds 0.5mm, take maintenance or replacement measures immediately.

3. Regular Maintenance Schedule

• Quarterly Maintenance: Clean the FEL-161A’s surface and internal mechanism with a dry, lint-free cloth to remove accumulated dust and debris. Apply a small amount of high-temperature lubricant (provided by Nanjing Zhuye Elevatorparts) to the lock hook and lock tongue to reduce friction and wear. Recheck the tightness of the bolts and electrical connectors, and retighten if necessary.
• Semi-Annual Performance Test: Conduct a comprehensive performance test, including locking force, triggering accuracy, and electrical performance. Use a professional door lock tester to simulate various door closing scenarios and ensure the door lock device operates reliably. For elevators in harsh environments (such as high humidity, high dust, or frequent use), increase the frequency of performance tests.
• Annual Professional Overhaul: Arrange a professional inspection with Nanjing Zhuye Elevatorparts’ certified technical team. Disassemble the FEL-161A to inspect internal components (including the locking mechanism, springs, and electrical switches), replace aging or worn parts with genuine components, and conduct a full-range safety calibration to ensure the device meets factory safety standards.

Recommended Replacement Cycle for Elevator Door Lock Device FEL-161A

1. Standard Replacement Cycle

2. Adjustments for Special Scenarios

• Harsh Environments: For elevators in high-humidity coastal areas, high-dust construction sites, elevators with frequent door operation (more than 2,000 times per day), or environments with strong vibration, the replacement cycle should be shortened to3–4 years. Harsh conditions accelerate the corrosion of the shell, wear of the locking mechanism, and aging of electrical switches, significantly reducing the device’s reliability.
• Low-Frequency Use Scenarios: For elevators with low usage frequency (e.g., villa elevators, small office buildings with daily door opening/closing times < 300 times) and clean, stable environments, the replacement cycle can be appropriately extended to 6–7 years—only if Nanjing Zhuye’s professional inspection confirms that the device’s locking performance, electrical performance, and structural integrity are all intact.

3. Immediate Replacement Conditions

• The locking force is persistently lower than 800N, and the fault cannot be restored through maintenance.
• The lock hook or lock tongue is severely worn, deformed, or cracked, leading to unstable locking or difficulty in unlocking.
• The electrical switch has frequent poor contact or false triggering, causing the elevator to malfunction (e.g., failure to run or false alarms).
• The device shell is severely corroded or cracked, and the internal mechanism is exposed, posing potential safety hazards.