Repairing Aluminum Coil - Hussmann DDSS-4MC Installation & Operation Manual

P/N 0515957_M

REPAIRING ALUMINUM COIL

The aluminum coils used in Hussmann mer-
chandisers may be easily repaired in the field.
Materials are available from local refrigeration
wholesalers.
NOTE:
Hussmann Aluminum melts at 1125°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.
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
732°F (389°C)
455°F (235°C)
.
DDSS Open Vertical Merchandisers
5-3