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YIYUN Manuals & User Guides

YIYUN manufactures high-performance motor controllers for electric bikes and scooters, alongside durable pneumatic shock absorbers and cylinder accessories.

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YIYUN Manuals and Product Guides

YIYUN specializes in engineering and manufacturing electronic components for personal electric mobility alongside heavy-duty pneumatic automation hardware. Their most recognized product lines include high-quality brushed and brushless DC motor controllers designed specifically for electric bicycles, tricycles, and scooters. These electronic components provide precise speed handling, stable braking, and exceptional thermal overload protection for recreational and transport vehicles.

In addition to e-mobility solutions, YIYUN provides premium industrial pneumatic components, including air cylinder accessories, automated industrial vibrators, and shock absorbers. Built with durable steel bodies and robust rubber seals, YIYUN fluid and air-pressure components deliver dependable performance for both automated mechanical operations and automotive applications. Browse our repository of YIYUN user manuals for detailed installation diagrams, troubleshooting steps, and precise structural specifications.

YIYUN manuals

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YIYUN YK31C Brush Speed Controller Instructions

22년 2026월 XNUMX일
YIYUN YK31C Brush Speed Controller Quick Setup & Use Connect the controller according to the wiring diagram provided in the product details. Confirm you are using a brushless controller with…

YIYUN AC2030-2 Pneumatic Shock Absorber User Manual

20년 2026월 XNUMX일
YIYUN AC2030-2 Pneumatic Shock Absorber Overview The YIYUN AC2030-2 Pneumatic Shock Absorber is a high-performance component designed to absorb shocks and vibrations in various industrial and automotive applications. It uses…

YIYUN CDG1BN-40LB Round Body Cylinder Accessories Instruction Manual

16년 2026월 XNUMX일
Cylinder Accessories Instruction Manual General Description Cylinder Accessories refer to essential components for pneumatic/hydraulic cylinders, including  piston rods, seals, guide bushes, end caps, mounting brackets, rod glands, and cushion sleeves . These…

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YIYUN FP-M Series Pneumatic Industrial Vibrator Instruction Manual

FP-M Series • 1 PDF • April 18, 2026
Detailed instruction manual for YIYUN FP-M series pneumatic industrial vibrators, covering product overview, key features, technical specifications, installation, operation, maintenance, troubleshooting, and warranty information.

YIYUN support FAQ

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  • How do I install a YIYUN motor controller?

    Before starting, absolutely ensure the power source is disconnected. Follow the exact wiring diagram specific to your controller model provided in the manual, accurately matching the phase, throttle, lock, and battery inputs to prevent electrical shorts.

  • Can the air pressure on my YIYUN pneumatic shock absorber be adjusted?

    Yes, most YIYUN pneumatic shock absorbers feature adjustable force settings. You can use a pressure regulator to safely fine-tune the dampening characteristics within the recommended operating range (often 0.1-0.8 MPa based on the model).

  • Why is my electric vehicle motor not working after installing the controller?

    Common issues involve miswired connections or an incompatible motor phase. Carefully cross-reference the color-coded diagram in the YIYUN manual. Furthermore, confirm that your motor is correctly rated for the controller's wattage (e.g., 350W/500W/1000W).

  • What maintenance is recommended for YIYUN pneumatic components?

    Routine maintenance involves routinely inspecting connecting points and rubber seals for wear or air leakage. It is recommended to perform periodic pressure checks, clean pneumatic line filters to prevent clogging, and lightly lubricate external mounting points.