beautypg.com

Tools and equipment required, He-109 – AERCO Coil & Riser Replacement User Manual

Page 4

background image

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