Repairing Aluminum Coil - Hussmann INSIGHT REACH-IN Installation & Operation Manual

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 solders and technique:
Solders
Aladdin Welding Products Inc.
P.O. Box 7188
1300 Burton St.
Grand Rapids, MI 49507
Phone: 1-800-645-3413
Fax: 1-800-645-3414
X-Ergon
1570 E. Northgate
P.O. Box 2102
Irving, TX 75062
Phone: 1-800-527-9916
NOTE:
Hussmann Aluminum melts at:
Aladdin 3-in-1 rod at 732°F (389°C)
X-Ergon Acid core at 455°F (235°C)
HUSSMANN CORPORATION • U.S. & CANADA 1-800-922-1919 • BRIDGETON, MO 63044-2483 • MEXICO 1-800-890-2900 • WWW.HUSSMANN.COM • PN 3181178_A
1125°F (607°C)
Technique:
1. Locate Leak.
2. REMOVE ALL PRESSURE.
3. Brush area UNDER HEAT.
4. Only Use a PRESTOLITE TORCH. 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.
6-7