6-4
S
ERVICE
P/N 0378414G
REPLACING DAMAGED
DRAIN FITTING
The following procedure is for the field repair of
a broken drain fitting.
1. Use a drill with a 2 in. (51 mm) hole saw to
drill out the bottom of the drain fitting. Be
sure to drill completely through fitting and
bottom liner.
2. Apply an ABS and PVC compatible primer-
sealer to outside of PVC coupling and inside
of drain. Insert coupling into drain fitting.
3. Install a PVC adapter on the drip trap. Apply
primer-sealer to a stub piece of PVC pipe and
insert between coupling and adapter.
REPAIRING ALUMINUM COIL
The aluminum coils used in Hussmann merchan-
disers 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 1125°F (607°C)
Aladdin 3-in-1 rod at
732°F (389°C)
X-Ergon Acid core at
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.
Drip
Trap
Modified
Drain Fitting
PVC Coupling
slip fit, 2 in. OD (51mm)
1
1
/
4
in. ID (32 mm)
(obtained at local
building supply store)
Foam Bottom
Assembly
PVC Adapter
1
1
/
2
x 1
1
/
4
in.
(38 x 32 mm)
(obtained at
local building
supply store)
Stub
Pipe
Drain Fitting
Viewed from Inside Merchandiser