Installation Instructions

7
30. Remove the oil plug with a 1/4" hex-key wrench. Pour
1 bottle of Mueller hydrant lubricant into the oil
reservoir until the bottle is empty or the oil is level
with the hole. [Do not pour oil outside the oil
reservoir]. Reinstall the oil plug in the bonnet and
tighten to 5-10 ft-lbs.
31. Remove the pumper cap and install the new Pumper Cap
Assembly.
32. Rotate operating nut to ensure the main valve is closed.
Turn on water from gate valve.
CAUTION
ALWAYS FILL THE OIL RESERVOIR WITH THE BONNET
INSTALLED, THE HYDRANT IN ITS NORMAL UPRIGHT
POSITION, AND THE MAIN VALVE FULLY CLOSED.
FILLING THE HYDRANT WITH OIL UNDER ANY OTHER
CIRCUMSTANCES CAN RESULT IN OVERFILLING AND CREATE
A PRESSURE LOCK. THIS COULD DAMAGE THE SEALS OR
BONNET OR PREVENT PROPER HYDRANT OPERATION.