Dorman 800-640

Dorman 800-640 Line Splice
Manual d'usuari
1. Introducció
The Dorman 800-640 Line Splice is designed to provide a reliable and durable repair solution for damaged 5/8 inch aluminum air conditioning lines. This product allows for the repair of only the compromised section of the line, eliminating the need to replace the entire A/C line assembly, thereby saving time and cost. Its robust aluminum construction ensures long-lasting performance and resistance to corrosion and rust, helping to restore and maintain optimal air conditioning system operation.
2. Característiques del producte
- Cost-Effective Repair: Enables repair of only the damaged section, avoiding full A/C line assembly replacement.
- Fàcil instal·lació: Dissenyat per a una instal·lació senzilla.
- Construcció duradora: Features sturdy aluminum construction for enhanced longevity.
- Aplicació versàtil: Can be used independently or as part of Dorman's A/C Line Repair Kit.
- Garantia de qualitat: Backed by a team of engineers and quality control specialists.
- Fitting Size: Compatible with 0.625 inch (5/8 inch) lines on both ends.
3. Què hi ha a la caixa
The Dorman 800-640 package typically includes:
- 1 x Dorman 800-640 Line Splice
Note: Additional components such as brass ferrules and rubber seals are integral to the splice assembly.
4. Guia d'instal·lació
Proper installation is critical for a leak-free repair. Follow these steps carefully:
- Preparació: Identify the damaged section of the 5/8 inch aluminum A/C line. Ensure sufficient access and working space around the repair area.
- Cut the Line: Using a close-quarters pipe cutter designed for the correct diameter (5/8 inch), carefully cut out the damaged section of the A/C line. Ensure the cuts are clean, straight, and free of burrs or sharp edges. Deburr and lightly sand the cut ends of the aluminum tubing to ensure a smooth surface for sealing.
- Clean the Line: Thoroughly clean the interior and exterior of the cut line ends to remove any debris or contaminants.
- Lubricate Seals: Apply a small amount of mineral oil or PAG/refrigerant oil to the rubber seals (O-rings) within the splice assembly. This aids in proper seating and prevents damage during installation.
- Assemble the Splice: Carefully insert the prepared ends of the A/C line into the Dorman 800-640 Line Splice. Ensure the lines are straight and perfectly aligned with the splice. One of the two tubes being spliced must have sufficient movement (at least 1-2 inches) to allow for proper assembly.
- Estrènyer les connexions: Use appropriate wrenches (e.g., 25mm or 1 inch) to securely tighten the splice connections. Apply firm, even pressure. Be cautious not to overtighten, as aluminum threads can be prone to cross-threading if not perfectly square. Ensure the rubber seals are properly seated and not pinched.
- System Recharge: After installation, the A/C system must be properly evacuated and recharged with the correct refrigerant according to vehicle manufacturer specifications.
- Prova de fuites: Perform a thorough leak test using appropriate methods (e.g., vacuum test, leak detection dye, or electronic leak detector) to confirm the integrity of the repair before operating the A/C system.

Figure 1: Dorman 800-640 Line Splice with brass ferrules and green rubber seals.

Figura 2: Desmuntat view of the Dorman 800-640 Line Splice components.
5. Funcionament
Once properly installed and the A/C system is recharged, the Dorman 800-640 Line Splice functions as a permanent connection point within the aluminum A/C line. It is designed to withstand the pressures and temperatures of the vehicle's air conditioning system, ensuring the continuous flow of refrigerant and maintaining system integrity. No further user interaction is required for its operation.
6. Manteniment
The Dorman 800-640 Line Splice is a maintenance-free component once correctly installed. Periodically inspect the repair area for any signs of refrigerant leaks, such as oily residue or hissing sounds, especially during routine vehicle maintenance. Address any detected leaks promptly to prevent further system damage.
7. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| Refrigerant Leak at Splice |
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| Difficulty Assembling Splice |
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8. Especificacions
| Atribut | Valor |
|---|---|
| Fabricant | Productes Dorman |
| Marca | Dorman |
| Model | 800-640 |
| Pes de l'article | 2.11 unces |
| Dimensions del producte | 2.05 x 1.25 x 5.75 polzades |
| País d'origen | EUA |
| Fitting Size End 1 | 0.625 in. (5/8 in.) |
| Fitting Size End 2 | 0.625 in. (5/8 in.) |
| Material | Alumini |
9. Garantia i Suport
For specific warranty information regarding the Dorman 800-640 Line Splice, please refer to the official Dorman Products website or contact Dorman customer support directly. Dorman is committed to providing innovative solutions and quality products for the automotive aftermarket.
Dorman Products Contact Information:
Please visit the official Dorman weblloc web per obtenir les dades de contacte i els recursos d'assistència més actualitzats.
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