Description
Elevator door lock hook wheel S200 door wheel S8 door wheel Brief Introduction
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Product Name |
Elevator door lock hook wheel |
| Model Number | S200 door wheel
S8 door wheel |
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Quality
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Original.Brand New
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Payment
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T/T. Paypal. Western Union
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Delivery
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3-5 Working Days
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Packaging
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Packed by carton
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Elevator Door Lock Hook Wheel S200 & S8 Door Wheel: Smooth Operation Core from Nanjing Zhuye Elevatorparts
Elevator Door Lock Hook Wheel S200 and S8 Door Wheel are critical mechanical components for elevator door systems, directly affecting the smoothness, stability, and safety of elevator door opening and closing. The S200 door lock hook wheel is specifically designed for elevator door lock linkage mechanisms, ensuring precise engagement and disengagement during door locking and unlocking. The S8 door wheel serves as the key rolling component for elevator sliding doors, reducing friction between the door panel and guide rail to achieve quiet and smooth movement. These two models cover most mainstream elevator door system specifications—S200 is suitable for heavy-duty commercial elevator door locks, while S8 is widely used in standard passenger elevator sliding doors. Exclusively supplied by Nanjing Zhuye Elevatorparts, a professional and trusted provider of high-quality elevator components, these Elevator Door Lock Hook Wheel S200 & S8 Door Wheel fully comply with international elevator safety standards (EN 81-20, GB 7588) and mechanical component technical specifications. With high-precision manufacturing, wear-resistant materials, and excellent load-bearing capacity, they are widely applied in residential buildings, commercial complexes, office towers, airports, and industrial facilities worldwide.
Nanjing Zhuye Elevatorparts adheres to the core philosophy of “Smooth Rolling, Durable Operation” and implements strict quality control throughout the production and inspection process of S200 and S8 wheels. Each unit undergoes multi-stage pre-delivery inspections, including dimensional accuracy testing, wear resistance trials, load-bearing capacity detection, and rotation flexibility verification. The components adopt advanced materials and technology: the wheel body of both models is made of high-strength polyurethane (PU) or nylon, featuring excellent wear resistance and shock absorption; the inner bearing is made of precision stainless steel, ensuring a rotation speed of up to 500r/min and a mechanical service life of ≥ 3 million operations; the S200 hook wheel is designed with a special curved surface to match the door lock latch, ensuring stable engagement without jamming; the S8 door wheel has a standardized outer diameter and thickness, enabling seamless matching with mainstream elevator door guide rails. The galvanized shaft and anti-loose fasteners enhance corrosion resistance, adapting to the humid environment of elevator shafts.
Step-by-Step Usage Guide for Elevator Door Lock Hook Wheel S200 & S8 Door Wheel
To maximize the service life, operation smoothness, and safety performance of S200 Door Lock Hook Wheel and S8 Door Wheel, strictly follow the professional guidelines provided by Nanjing Zhuye Elevatorparts for selection, installation, and maintenance:
1. Professional Selection & Installation
Installation must be conducted by certified elevator technicians proficient in elevator door systems. Prior to installation, refer to the compatibility manual provided by Nanjing Zhuye Elevatorparts to select the correct model: choose S200 for elevator door lock linkage mechanisms, and confirm the S8 door wheel matches the door panel thickness and guide rail width. The installation steps are as follows:
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Safety Preparation: Cut off the elevator’s main power supply and lock the power switch to prevent accidental power-on. Place a “Maintenance in Progress” warning sign at the elevator entrance. Fix the elevator door in the fully closed position with mechanical supports to avoid interference with installation.
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S200 Door Lock Hook Wheel Installation: Locate the door lock hook mechanism on the elevator door. Remove the old hook wheel by unscrewing the fixing nut or bolt. Take the new S200 hook wheel from Nanjing Zhuye Elevatorparts, align it with the mounting shaft, and fasten it with the original fastener. Ensure the wheel rotates flexibly without stuck or shaking, and the hook surface accurately aligns with the door lock latch.
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S8 Door Wheel Installation: Find the door wheel mounting position on the top or bottom of the elevator sliding door. Remove the old door wheel by disassembling the retaining clip or screw. Install the new S8 door wheel onto the mounting bracket, ensuring the wheel is parallel to the guide rail. Reinstall the retaining clip or screw, and adjust the wheel height to ensure the door panel is level and slides smoothly along the guide rail.
2. Debugging & Function Test
Debugging and function testing are crucial to ensuring the reliable operation of S200 and S8 wheels. Follow these steps with reference to Nanjing Zhuye Elevatorparts’ technical guidelines:
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Rotation Flexibility Test: Manually rotate the S200 hook wheel and S8 door wheel to confirm they rotate smoothly without noise or resistance. Use a feeler gauge to check the gap between the S8 wheel and guide rail (standard gap: 0.5–1mm) to avoid excessive friction or looseness.
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Door Operation Test: Restore the elevator’s power supply and switch to inspection mode. Operate the elevator door to open and close repeatedly, observing the movement status. Ensure the door opens and closes smoothly without jitter, friction noise, or uneven speed; the S200 hook wheel should engage and disengage with the door lock latch accurately, without false locking or unlocking.
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Load-Bearing Test: For S200 hook wheels (heavy-duty scenarios), conduct a load test by applying a 50kg load to the door lock mechanism to confirm the wheel does not deform or slip. For S8 door wheels, test the door panel’s sliding performance under full-load conditions to ensure stable operation.
3. Daily Operation & Routine Maintenance
Regular inspection and maintenance are essential to early fault detection and ensuring the long-term stable operation of S200 and S8 wheels. Maintenance personnel should integrate the following checks into their daily patrol routines:
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Daily Visual Inspection: During elevator patrols, check the external condition of S200 and S8 wheels. Ensure the wheel surface is free of cracks, deformation, or excessive wear (wear depth ≤ 2mm); the mounting fasteners are tight without looseness; the wheel shaft is free of corrosion or bending. Observe the elevator door’s operation for abnormal noise or jitter.
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Weekly Rotation & Gap Check: Manually rotate the wheels to check for flexibility. Recheck the gap between the S8 door wheel and guide rail, and adjust the mounting position if the gap exceeds the standard range. For S200 hook wheels, check the engagement with the door lock latch to ensure no misalignment.
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Monthly Cleaning & Lubrication: Cut off the power supply and clean the wheel surface, shaft, and mounting bracket with a soft, dry cloth to remove dust and debris. Apply a thin layer of special lubricating grease (recommended by Nanjing Zhuye Elevatorparts) to the wheel bearing and shaft to reduce friction and prevent rust. Avoid using excessive grease to prevent dust accumulation.
Recommended Replacement Cycle for Elevator Door Lock Hook Wheel S200 & S8 Door Wheel
As core mechanical components enduring long-term rolling friction, load-bearing, and environmental erosion (humidity, dust, vibration), S200 Door Lock Hook Wheel and S8 Door Wheel have a specified service life. Timely replacement is critical to avoiding faults such as wheel wear, bearing jamming, or shaft deformation—issues that may lead to elevator door opening and closing difficulties, jitter, noise, or even door lock failure, endangering passenger safety.
1. Standard Replacement Cycle
Under normal operating conditions (elevator daily operation time 12–24 hours, daily door opening/closing cycles ≥ 2000, environment temperature -10–60℃, humidity 10%–95%), the recommended replacement cycle for both S200 and S8 wheels is 2–3 years. This cycle is determined based on Nanjing Zhuye Elevatorparts’ long-term field operation data, wear tests, and global user feedback on elevator door systems.
2. Adjustments for Special Scenarios
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Harsh Environments & High-Traffic Scenarios: For elevators in high-humidity coastal areas (salt spray corrosion), high-dust industrial sites, or ultra-high-traffic locations (e.g., large airports, central shopping malls) with daily door cycles ≥ 3500, the replacement cycle is shortened to 1–1.5 years. For S200 hook wheels used in heavy-duty freight elevators (daily load-bearing ≥ 5 tons), the cycle is further shortened to 8–12 months due to higher load pressure.
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Low-Frequency Use Scenarios: For elevators with low usage frequency (e.g., villa elevators, small office buildings with daily operation time < 8 hours) and stable environments (constant temperature and humidity), the replacement cycle can be extended to 3–4 years—only if Nanjing Zhuye Elevatorparts’ professional technicians conduct an inspection and confirm that the wheel’s wear depth, rotation flexibility, and load-bearing capacity meet the original factory standards.
3. Immediate Replacement Conditions
Replace the S200 Door Lock Hook Wheel or S8 Door Wheel immediately if any of the following issues occur, regardless of its service life:
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The wheel surface is severely worn (wear depth > 3mm), cracked, or deformed, leading to elevator door jitter, noise, or uneven movement.
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The wheel bearing is stuck or rotates with obvious resistance, affecting the smooth opening and closing of the elevator door.
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The mounting shaft is corroded, bent, or loose, causing the wheel to shift and fail to align with the guide rail or door lock latch.
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Professional testing confirms that the wheel’s load-bearing capacity is reduced by more than 30%, posing a safety risk to elevator door operation.
In conclusion, the Elevator Door Lock Hook Wheel S200 and S8 Door Wheel supplied by Nanjing Zhuye Elevatorparts are high-quality, reliably compatible mechanical components tailored for modern elevator door systems. By adhering to the correct usage methods, maintenance schedules, and replacement cycles outlined above, elevator maintenance teams can effectively ensure the smooth and safe operation of the elevator door system, enhance passenger ride comfort, and minimize downtime. Choosing Nanjing Zhuye Elevatorparts means you not only get 100% authentic S200 and S8 wheels but also access to professional technical support—including model matching guidance, on-site installation and debugging advice, and prompt after-sales service. Trust Nanjing Zhuye Elevatorparts for the reliable operation of your elevator door system.
