Introduction
Thank you for choosing the Shintenchi Offset Patio Umbrella. This manual provides essential information for the safe assembly, operation, and maintenance of your new umbrella. Please read these instructions carefully before use and retain them for future reference.

Image: Shintenchi Offset Patio Umbrella in Navy Blue, providing shade over an outdoor seating area.
The Shintenchi Offset Patio Umbrella is designed to provide ample shade for your outdoor living space. Featuring a robust alloy steel frame and a solution-dyed fabric canopy, it offers 95% UV and 50+ UPF protection. The easy-to-use crank and infinite tilt adjustment system allow for flexible positioning to maximize your comfort.
Safety Information
- Weighted Base Required: This umbrella requires a weighted base for stability. A weight base is not included with the product. It is recommended to use a base weighing 100 lbs or more. Failure to use an adequate weighted base can result in the umbrella tipping over, causing injury or damage.
- Wind Conditions: Do NOT use the umbrella in strong wind conditions. High winds can damage the umbrella and pose a safety risk. Always close and secure the umbrella when not in use or during windy weather.
- Assembly: Ensure all components are securely fastened according to the assembly instructions before use.
- Clearance: Maintain adequate clearance around the umbrella when opening, closing, or tilting to avoid obstructions or collisions.
Package Contents
Please verify that all parts are present before beginning assembly:
- Umbrella Canopy with Ribs
- Main Pole Assembly
- Cross Base (2 pieces)
- Crank Handle
- Tilt Mechanism Components
- Securing Strap
- Hardware Pack (bolts, washers, nuts, tools if included)
Setup and Assembly
Follow these steps to assemble your Shintenchi Offset Patio Umbrella. It is recommended to have two people for assembly.
- Assemble the Cross Base: Connect the two cross base pieces together using the provided hardware. Ensure they form a stable 'X' shape.
- Attach the Main Pole: Secure the main pole assembly to the center of the assembled cross base using the appropriate bolts and washers. Tighten all connections firmly.
- Secure with Weighted Base: Place your weighted base (not included) over the cross base to provide stability. This is a critical step for safety.
- Mount the Umbrella Canopy: Carefully lift the umbrella canopy and attach it to the top of the main pole. Ensure all locking mechanisms are engaged.
- Check Connections: Double-check all bolts and connections to ensure they are tight and secure before operating the umbrella.
Video: A short demonstration of the Shintenchi Cantilever Hanging Umbrella Offset Patio assembly and operation.

Image: Detailed view of the umbrella's dimensions, including the crank handle for opening/closing and the tilt mechanism for angle adjustment.
Operating Instructions
Your offset patio umbrella is designed for ease of use with a crank lift and manual tilt system.
Opening the Umbrella
- Ensure the umbrella is securely placed on a stable, weighted base.
- Locate the crank handle on the main pole.
- Turn the crank handle clockwise to extend the umbrella canopy. Continue cranking until the canopy is fully open and taut. Do not over-crank.
Tilting the Umbrella
- Once the umbrella is open, locate the tilt mechanism on the main pole (often a lever or button).
- Engage the tilt mechanism and adjust the canopy to your desired angle to block the sun.
- Release the tilt mechanism to lock the canopy in place.
Closing and Storing the Umbrella
- Disengage the tilt mechanism and return the canopy to its upright position.
- Turn the crank handle counter-clockwise to retract and close the umbrella canopy.
- Once fully closed, use the integrated Velcro strap to secure the canopy tightly around the pole. This prevents the canopy from flapping in the wind and prolongs its lifespan.
- For long-term storage or during severe weather, it is recommended to remove the umbrella from its base and store it in a dry, protected area.

Image: Visual representation of the umbrella's infinite tilt system, demonstrating various adjustable angles.
Maintenance
Proper care will extend the life and appearance of your umbrella.
- Cleaning the Canopy: The canopy fabric is solution-dyed and designed for outdoor use. For cleaning, hand wash only with mild soap and water. Do not use harsh chemicals or abrasive cleaners. Rinse thoroughly and allow to air dry completely before closing or storing.
- Frame Care: Wipe the alloy steel frame with a damp cloth to remove dirt and debris. Dry thoroughly to prevent rust.
- Storage: Always close and secure the umbrella when not in use. For extended periods of non-use or during inclement weather, it is best to store the umbrella indoors or cover it with a protective cover (not included).
- Hardware: Periodically check all bolts and connections to ensure they remain tight. Tighten as necessary.
Troubleshooting
Here are some common issues and their solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Umbrella is unstable or tips over easily. | Insufficient weighted base. | Ensure a weighted base of 100 lbs or more is used. Check that the base is properly filled (if applicable) and securely attached. |
| Umbrella canopy does not open or close smoothly. | Mechanism obstruction or dirt. | Check for any debris or obstructions in the crank mechanism or canopy ribs. Clean the mechanism if necessary. Apply a silicone-based lubricant if movement is stiff. |
| Canopy fabric appears faded. | Prolonged exposure to direct sunlight. | While the fabric is solution-dyed for UV resistance, continuous exposure to intense sunlight can cause some fading over time. Use a protective cover when not in use to minimize exposure. |
| Umbrella sways excessively in light wind. | Loose connections or inadequate securing. | Check all bolts and connections on the pole and base for tightness. Ensure the umbrella is closed and secured with the strap during windy conditions. |
Specifications
| Feature | Detail |
|---|---|
| Brand | Shintenchi |
| Model Number | STC-PUY-AB-L |
| Color | Navy Blue |
| Canopy Material | Solution-dyed fabric |
| Frame Material | Alloy Steel |
| Canopy Diameter | 120 inches (10 feet) |
| Item Dimensions (W x H) | 106.32"W x 103.5"H (approx. 8.86 ft W x 8.63 ft H) |
| Shape | Round |
| Opening Mechanism | Crank Lift |
| Tilt Mechanism | Manual Tilt |
| UV Protection | 95% UV and 50+ UPF |
| Included Components | Base (cross base), Strap |
| Indoor/Outdoor Usage | Outdoor |
Warranty Information
Specific warranty details for this product are not provided in the available information. Please refer to the product packaging or contact Shintenchi customer support for warranty terms and conditions.
Customer Support
If you have any questions, require assistance with assembly, or need to report missing/damaged parts, please contact Shintenchi customer service. Contact information can typically be found on the product packaging, the manufacturer's website, or through your point of purchase.