1. Introduction
This manual provides instructions for the proper installation, operation, and maintenance of the Supco CL20H Stainless Steel Hose Clamp. This clamp is designed for securing hoses to fittings, preventing leaks in various applications.
2. Product Overview
The Supco CL20H is a durable stainless steel hose clamp, identified by model number J27-105. It features an SAE Standard #20 design, a 5/16" screw head, and a band width of 1/2". This clamp is suitable for hose diameters ranging from 13/16" to 1-3/4" (21mm - 44mm).
An image showing the Supco CL20H stainless steel hose clamp, featuring its band and screw mechanism.
3. Safety Information
- Always wear appropriate personal protective equipment, such as gloves and eye protection, when handling tools and installing clamps.
- Ensure the hose and fitting surfaces are clean and free from debris before installation to ensure a secure seal.
- Do not overtighten the clamp, as this can damage the hose or fitting. Refer to recommended torque specifications if available for your specific hose material.
- Verify that the clamp is correctly sized for the hose and fitting to prevent leaks or damage.
4. Setup and Installation
- Prepare the Hose and Fitting: Ensure the hose end is cut cleanly and the fitting is free of burrs or sharp edges.
- Position the Clamp: Slide the hose clamp over the end of the hose before attaching the hose to the fitting.
- Attach Hose to Fitting: Push the hose firmly onto the fitting, ensuring it is fully seated.
- Position the Clamp for Tightening: Slide the clamp over the connection point, ensuring the band is centered over the area where the hose meets the fitting.
- Tighten the Clamp: Use a 5/16" nut driver or a flat-head screwdriver to turn the screw clockwise. Tighten until the clamp is snug and the hose is securely compressed onto the fitting. Avoid excessive force.
- Inspect the Connection: After tightening, visually inspect the connection for any gaps or signs of improper seating.
5. Operating Instructions
Once installed, the hose clamp operates by maintaining a constant pressure around the hose and fitting, creating a leak-proof seal. Periodically check the tightness of the clamp, especially after initial use or exposure to temperature fluctuations, as hose materials can compress over time. If a leak is detected, gently tighten the clamp further, ensuring not to overtighten.
6. Maintenance
- Regular Inspection: Periodically inspect the clamp for signs of corrosion, damage, or loosening. Stainless steel offers good corrosion resistance, but harsh environments can still affect it.
- Cleaning: If necessary, clean the clamp with a mild detergent and water. Rinse thoroughly and dry to prevent water spots or mineral buildup.
- Replacement: If the clamp shows significant wear, deformation, or corrosion, replace it immediately to prevent potential leaks or system failure.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Leakage at connection | Clamp not tight enough; incorrect clamp size; damaged hose or fitting. | Tighten clamp slightly; ensure correct clamp size; inspect and replace damaged components. |
| Hose slipping off fitting | Clamp too loose; clamp positioned incorrectly; hose or fitting incompatible. | Tighten clamp; reposition clamp over the connection; verify hose and fitting compatibility. |
| Clamp screw stripped | Overtightening; incorrect tool used. | Replace the clamp. Avoid overtightening in the future and use the correct 5/16" nut driver or flat-head screwdriver. |
8. Specifications
- Model Number: CL20H (J27-105)
- Brand: Supco
- Material: Stainless Steel (Metal)
- SAE Standard: #20
- Screw Head Size: 5/16"
- Range (Diameter): 13/16" to 1-3/4" (21mm - 44mm)
- Band Width: 1/2"
- Item Weight: 0.06 Pounds
- Item Dimensions (L x W x H): 17.8 x 2.5 x 12.7 Centimetres
- UPC: 687152295647
A chart detailing various Supco hose clamp models, including their part numbers and corresponding size ranges, with an illustration of different clamp sizes.
9. Warranty and Support
For information regarding warranty coverage or technical support for your Supco CL20H Stainless Steel Hose Clamp, please refer to the official Supco website or contact their customer service department directly. Keep your purchase receipt as proof of purchase.