Customer Service Center
Decatur, Illinois
800.423.1323
www.muellercompany.com
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Reliable Connections
TM
Improved,
Centurion
Series,
Modern
Improved,
and 107
®
Fire Hydrants
Inserting Extension
Sections
MUELLER
®
insERtion instRUctions ManUaL
TABLE OF CONTENTS PAGE
Centurion Series Fire Hydrant –
Adding an Extension 2-3
Improved Fire Hydrant –
Inserting Extension Section
(All Models Prior to 1962) 4-5
Improved Fire Hydrant –
Inserting Extension Section
(Sealed Oil Reservoir 1962 Style) 6-7
Improved Fire Hydrant –
Inserting Extension Section
with Steel Stem Coupling
(Sealed Oil Reservoir 1962 Style) 8-9
Modern Improved Fire Hydrant –
Inserting Extension Section 10-11
107
®
Fire Hydrant –
Inserting Extension Section 12-13
Inserting Extension Sections – Notes 14-15
WARNING: Before working on, or disassembling the Hydrant (including removing any bolts(s) holding the Hydrant together), shut off gate valve to isolate
Hydrant from main water source. Loosen (do not remove) one nozzle cap two turns and check for water under pressure inside Hydrant - bleed off any pressure, then
remove nozzle cap completely. Open Hydrant main valve completely. A continuous ow of water, no matter how slight, indicates Hydrant is not properly isolated from
the main water supply, and that problem must be corrected before any Hydrant disassembly can proceed. Disassembly of Hydrant with pressurized water acting
against the main valve could result in unexpected ejection of Hydrant parts, debris or high-pressure water stream, which could cause serious bodily injury.
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