MUELLER
®
Improved Fire Hydrant
Replacing Traffic Flange and Brass Stem Coupling (All Models Prior to 1962)
6.
8.
Turn Operating Nut in the
closing direction to make
sure Main Valve is closed, then in the
opening direction approximately 1/4
turn to relieve tension on the operating
mechanism.
7.
Replace Bonnet. Turn Operating Nut in
closing direction to engage stem. If
Bonnet has filler plug, make sure that
the filler plug hole is aligned with the
offset portion of the Oil Reservoir. Bolt
in place.
3
EqUIPMENT & TOOLS NEEdEd – PPE: Hard hat, safety shoes, safety vest, safety glasses, work gloves.
Tools: Wrench, A-311 Operating Wrench, A-366 Brass Sleeve, MUELLER Hydrant Lubricant.
Check Stuffing Box gasket. Lubricate
Brass Sleeve. Slide Sleeve over
threaded area of Stem to protect O
rings from damage by threads. Place
Stuffing Box plate in position and bolt
to Barrel. Remove Brass Sleeve. Pour
MUELLER Hydrant Lubricant into Oil
Reservoir until
3
/
4
” from top.
