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5-2
REPAIRING ALUMINUM COIL
The aluminum coils used in Hussmann merchandisers may be easily repaired in the field.
Materials are available from local refrigeration wholesalers.
Hussmann recommends the following technique:
NOTE:
Hussmann Aluminum melts at 1,125°F (607°C)
Aladdin 3-in-1 rod at
X-Ergon Acid core at
Technique:
1. Locate Leak.
2. REMOVE ALL PRESSURE.
3. Brush area UNDER HEAT.
4. Use PRESTOLITE TORCH ONLY. Number 6 tip.
5. Maintain separate set of stainless steel brushes and USE ONLY ON ALUMINUM.
6. Tin surface around area.
7. Brush tinned surface UNDER HEAT, thoroughly filling the open pores around leak.
8. Repair leak. Let aluminum melt solder, NOT the torch.
9. Don't repair for looks. Go for thickness.
10. Perform a leak check.
11. Wash with water.
12. Cover with a good flexible sealant.
P/N 3143042_B
s
ervICe
732°F (389°C)
455°F (235°C)
U.S. & Canada 1-800-922-1919 • Mexico 800-890-2900 • WWW.HUSSMANN.COM
When brazing pipes be sure to use the
insulation blanket shipped with the
merchandiser to prevent damage to the
plastic case bottom.
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