1. Product Overview
The HECASA Roll-up Soft Truck Tonneau Cover is designed to protect your truck bed cargo from weather elements and provide a secure storage solution. Constructed from durable sailcloth material, this cover offers a waterproof design and can support a load capacity of up to 200 lbs. Its roll-up mechanism allows for convenient access to the truck bed.

Image 1.1: The HECASA Roll-up Soft Truck Tonneau Cover securely installed on the bed of a red pickup truck, providing a sleek and protected cargo area.

Image 1.2: Visual representation highlighting the waterproof design, sailcloth material, black color, and 200 lbs load capacity of the tonneau cover.
2. Vehicle Compatibility
This tonneau cover is designed for specific truck models and bed sizes. Please verify your vehicle's make, model, year, and bed size before installation.
- 2007-2013 Chevy Silverado 1500 with 6.5' Bed
- 2007-2014 Chevy Silverado 2500HD / 3500HD with 6.5' Bed
- 2007-2013 GMC Sierra 1500 with 6.5' Bed
- 2007-2014 GMC Sierra 2500HD / 3500HD with 6.5' Bed
Note: This product is compatible with Fleetside / Styleside Models Only.

Image 2.1: A graphic illustrating the compatible truck models and years for the 6.5-foot bed tonneau cover.

Image 2.2: An overhead view of truck beds, indicating that only the 6.5-foot bed size is compatible with this tonneau cover, while 8-foot and 5.8-foot beds are not.
3. Package Contents
Upon opening the package, ensure all the following components are present:
- Roll-up Tonneau Cover Assembly
- Side Rails (2 pieces)
- Crossbars (multiple, integrated or separate)
- Mounting Clamps (typically 6-8 pieces)
- Weather Seal Strip
- Small Hardware (screws, Allen wrenches)
- Installation Instructions (this manual)

Image 3.1: A visual display of all items included in the package: the rolled-up tonneau cover, side rails, mounting clamps, weather seal, and small tools.

Image 3.2: A close-up of the various small hardware components, including screws, Allen wrenches, mounting clamps, and the weather seal strip.
4. Setup and Installation
Installation of the HECASA tonneau cover typically involves securing the side rails to the truck bed and then attaching the cover assembly. No drilling is usually required for most installations.
4.1. Pre-Installation Checklist
- Ensure your truck bed is clean and free of debris.
- Verify all package contents are present.
- Read through all instructions before beginning.
4.2. Installation Steps
- Position Side Rails: Place the two side rails along the inside of your truck bed rails. Ensure they are properly aligned with the front and rear of the bed.
- Attach Mounting Clamps: Secure the side rails to the truck bed using the provided mounting clamps. Distribute the clamps evenly along each side rail. Tighten them firmly but do not overtighten.
- Install Front Header Rail: If separate, attach the front header rail to the front of the truck bed, ensuring it is flush and level.
- Mount Tonneau Cover Assembly: Place the rolled-up tonneau cover assembly onto the installed side rails, typically at the front of the truck bed. Align the front edge of the cover with the front header rail.
- Secure Cover to Rails: Fasten the tonneau cover assembly to the side rails. This usually involves a clamping or locking mechanism at the front.
- Apply Weather Seal: Apply the weather seal strip along the tailgate or other areas as instructed to ensure a watertight seal.
- Final Adjustments: Unroll the cover completely and check for proper tension and alignment. Adjust the tension as needed using the integrated tension adjusters (if present). Ensure the cover latches securely at the tailgate.

Image 4.1: A detailed view showing the clamp mechanism used to secure the tonneau cover's side rails to the truck bed, and the Velcro attachment system for the cover fabric.
5. Operation
Operating your HECASA roll-up tonneau cover is straightforward, allowing for quick access to your truck bed.
5.1. Opening the Cover
- Unlock Tailgate Latch: Access the rear of the truck bed and locate the latch mechanism for the tonneau cover. Unlock and release it.
- Roll Up the Cover: Starting from the tailgate, carefully roll the tonneau cover towards the cab of the truck. Ensure it rolls evenly.
- Secure in Rolled Position: Once fully rolled up, use the integrated straps or buckles to secure the cover in its open position near the cab. This prevents it from unrolling during transit.
5.2. Closing the Cover
- Release Straps: Unfasten the straps or buckles holding the cover in the rolled-up position.
- Unroll Cover: Gently unroll the cover towards the tailgate, ensuring it remains centered and aligned with the side rails.
- Secure Tailgate Latch: Once fully extended, engage the latch mechanism at the tailgate to secure the cover in the closed position. Ensure it is firmly latched to maintain weather protection.

Image 5.1: A visual guide demonstrating the three steps for easy cargo access: open the back latch, roll up the cover, and place items in the truck bed.

Image 5.2: The tonneau cover fully rolled up and secured at the front of the truck bed, illustrating its compact storage and open bed access.
6. Maintenance
Regular maintenance will extend the life and appearance of your tonneau cover.
- Cleaning: Clean the sailcloth cover regularly with mild soap and water. Avoid harsh chemicals or abrasive cleaners, as these can damage the material. Rinse thoroughly and allow to air dry.
- Frame Inspection: Periodically check the aluminum frame and mounting clamps for tightness. Retighten any loose fasteners to ensure the cover remains secure.
- Weather Seals: Inspect the weather seals around the perimeter of the cover for any signs of wear or damage. Replace if necessary to maintain water resistance.
- Lubrication: If the roll-up mechanism feels stiff, apply a silicone-based lubricant to the moving parts, avoiding contact with the fabric.
7. Troubleshooting
Here are some common issues and their potential solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Water pooling on cover | Insufficient tension; improper installation; worn crossbars. | Adjust tensioners to create a tighter surface. Re-check installation for proper alignment. Inspect crossbars for damage. |
| Cover not sealing properly | Damaged weather seals; misaligned side rails; loose clamps. | Inspect and replace damaged weather seals. Realign side rails. Tighten all mounting clamps. |
| Difficulty rolling/unrolling | Debris in tracks; stiff mechanism; misaligned cover. | Clean tracks of any obstructions. Apply silicone lubricant to moving parts. Ensure cover is aligned correctly on rails. |
| Velcro detaching from rails | Adhesive failure; excessive tension; extreme temperatures. | Clean and re-adhere Velcro with a strong, weather-resistant adhesive. Ensure proper tension to avoid undue stress on Velcro. |
8. Product Specifications
- Brand: HECASA
- Model: MO-952
- Style: Roll-Up
- Material: Sailcloth
- Exterior Finish: Aluminum (frame components)
- Color: Black
- Lock Type: Tailgate
- Load Capacity: Up to 200 lbs
- Fitment: 6.5' Bed, Fleetside/Styleside Models Only
- Dimensions (Approximate):
- Length: 81-1/2 inches (2070mm)
- Width: 69-5/8 inches (1770mm)

Image 8.1: Technical drawing showing the approximate length (81-1/2 inches / 2070mm) and width (69-5/8 inches / 1770mm) of the tonneau cover.
9. Warranty and Support
For warranty information, technical support, or assistance with parts, please contact HECASA customer service. Refer to your purchase documentation or the HECASA official website for contact details.
When contacting support, please have your product model number (MO-952) and purchase date available.