AERCO Coil & Riser Replacement - Manual (Page 4)

PR2: 04/01/11 Page 4 of 16 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, New York 10913 • Phone: 800-526-0288
Coil/Riser Replace Instructions for Helitherm Water Heaters
Technical instructions TID-0038_0A
HE-109
4. Tools and Equipment Required
The following common and special tools and equipment are required to perform the instructions contained
in this document:
Common Tools and Equipment
• Combination Wrenches: 7/16”, 5/8”,
13/16”, 1-1/16”, 1-1/8”
• Pipe Wrenches: 12” and 24”
• Chain Hoist
• Voltmeter:
• Brass Wire Brush
• Needle-Nose Pliers
• Gasket Removal Tool
• Carpenter’s Square
• Teflon Tape
• Orange Citric Cleaner
• Black Marker
Special Tools and Equipment
• Hydrostatic Pressure Pump: Range=
Up to 235 psig
• Torque Wrench, 75 ft.-lbs. With 1-1/4”,
1-5/16” & 1-1/2” Open-End Spanners
(1-1/4” Open-End Spanner required for
“A” Heater Only)
• Coil Retaining Tool (Figure 1)
• Coil Spacing Tool (Figure 1)
• Short-Length Wrenches: 1-1 /4”, 1-
5/16”, 1-1/2”
(Overall wrench lengths should be
approx. 6 inches or less)
Figure 1: Tool Fabrication Details: Coil Spacing and Retaining Tools
Recommended Material: 1018 steel