ATD Tools Model 356 HNBR O-Ring Assortment User Manual
For R-12 and R-134a Automotive A/C Systems
1. Producte acabatview
The ATD Tools Model 356 is a 270-piece assortment of HNBR (Highly Saturated Nitrile Butyl Rubber) O-rings designed for use in automotive air conditioning systems. This kit provides a comprehensive selection of O-rings compatible with both R-12 and R-134a refrigerants, ensuring reliable sealing for various A/C components. The O-rings are organized in a durable plastic storage case for easy identification and access.
This image displays the ATD Tools Model 356 O-Ring Assortment, featuring 270 green HNBR O-rings organized by size within a transparent plastic storage case. Several O-rings are also shown outside the case, highlighting their distinct green color and various dimensions.
2. Preparació i configuració
Proper preparation is crucial for effective O-ring sealing and longevity.
- Inspeccioneu les juntes tòriques: Before installation, carefully inspect each O-ring for any visible defects such as cuts, nicks, or deformities. Discard any damaged O-rings.
- Superfícies netes: Ensure that all mating surfaces where the O-ring will be seated are clean, dry, and free from debris, old gasket material, or corrosion. Use a suitable cleaner if necessary.
- Lubricar: Apply a thin, even coat of an appropriate O-ring lubricant (compatible with HNBR and your A/C system's refrigerant and oil) to the O-ring. This aids in installation, reduces friction, and helps prevent damage during assembly.
3. Operating Instructions (Installation)
Follow these steps for correct O-ring installation:
- Seleccioneu la mida correcta: Refer to your vehicle's service manual or the component specifications to determine the exact O-ring size required for the application. The assortment provides a variety of sizes to match common automotive A/C fittings.
- Position O-ring: Carefully place the lubricated O-ring into its groove. Ensure it is seated evenly and not twisted or stretched excessively.
- Muntar components: Bring the mating components together smoothly, taking care not to pinch or roll the O-ring.
- Apretar els elements de fixació: Tighten fasteners to the manufacturer's specified torque settings. Overtightening can compress the O-ring beyond its elastic limit, leading to premature failure and leaks. Undertightening can result in insufficient sealing.
- Prova de fuites: After installation, perform a leak test on the A/C system using appropriate equipment to confirm the integrity of the new seals.
4. Manteniment i emmagatzematge
To ensure the longevity and effectiveness of your O-rings, proper maintenance and storage are essential.
- Emmagatzematge: Store unused O-rings in their original plastic case, away from direct sunlight, extreme temperatures, and harsh chemicals. HNBR O-rings are UV resistant, but prolonged exposure can still degrade the material over time.
- Neteja: Keep the storage case clean and free from dirt or contaminants that could transfer to the O-rings.
- Manipulació: Handle O-rings with clean hands or gloves to avoid transferring oils or debris that could compromise their sealing ability.
5. Solució De Problemes
If a leak occurs after O-ring installation, consider the following common issues and solutions:
- Incorrect Size: Ensure the O-ring used matches the exact specifications for the application. An O-ring that is too small will stretch and thin, while one that is too large may not seat properly or become pinched.
- Instal·lació incorrecta: The O-ring may have been twisted, pinched, or rolled during assembly. Disassemble, inspect the O-ring for damage, and reinstall carefully.
- Damaged O-ring: Even new O-rings can sometimes have manufacturing defects or be damaged during handling. Re-inspect the O-ring for any nicks, cuts, or flat spots. Replace if damaged.
- Surface Imperfections: Check the mating surfaces for scratches, burrs, or corrosion that could prevent a proper seal. Address any surface issues before reinstallation.
- Estrenyiment excessiu: Excessive torque can deform the O-ring, leading to a leak. Always adhere to manufacturer torque specifications.
6. Especificacions
| Característica | Detall |
|---|---|
| Marca | Eines ATD |
| Número de model | 356 |
| Material | HNBR (Synthetic Rubber) |
| Compatibilitat | R-12 and R-134a Refrigerants |
| Total de peces | 270 |
| Dimensions del paquet | 21.336 cm L x 10.16 cm W x 3.302 cm H |
| Pes de l'article | 4.8 unces |
| Color | Green (with possible Black variant) |
Assortment Contents (Quantity and Size):
- 20 pieces: 7/32" x 1/16"
- 20 pieces: 1/4" x 1/16"
- 20 pieces: 6.8 x 1.9 mm
- 20 pieces: 5/16" x 1/16"
- 20 pieces: 7.8 x 1.9 mm
- 20 pieces: 8 x 2 mm
- 20 pieces: 8.8 x 1.9 mm
- 15 pieces: 7/16" x 1/16"
- 15 pieces: 7/16" x 3/32"
- 15 pieces: 11 x 2 mm
- 15 pieces: 12 x 2 mm
- 10 pieces: 13.9 x 1.8 mm
- 10 pieces: 9/16" x 3/32"
- 10 pieces: 14 x 2 mm
- 10 pieces: 15 x 2 mm
- 10 pieces: 17 x 2 mm
- 10 pieces: 11/16" x 1/16"
- 15 pieces: 11/16" x 1/8"
7. Garantia i Suport
For information regarding product warranty, returns, or technical support, please contact ATD Tools directly through their official weblloc web o canals d'atenció al client. Conserveu el rebut de compra com a comprovant de compra.
Note: This manual provides general guidelines. Always refer to your vehicle's specific service manual for detailed repair procedures and torque specifications.
