Repairing Aluminum Coils - Hussmann RL2W Installation & Operation Manual

P/N 3053328_C
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
X-Ergon
1570 E. Northgate
P.O. Box 2102
Irving, TX 75062
NOTE:
Hussmann Aluminum melts at
Aladdin 3-in-1 rod at
X-Ergon Acid core at
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
Phone: 1-800-645-3413
Fax: 1-800-645-3414
Phone: 1-800-527-9916
1125°F (607°C)
732°F (389°C)
455°F (235°C)
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.
6-5
Reach-In