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Reliable Connections
TM
Form 11758 – 02/17
Mueller
®
H-603 and H-604 Power Operators
H-604 air POwer OPeratOr
install an air line lubricator as close
to the inlet of the unit as practical.
Adjust the lubricator to produce a slight
oil mist in the exhaust air. Use a good
quality oil intended for use with an in-line
lubricator.
After approximately every forty hours
of operation – lubricate the air motor
using a quality lube grease by applying
two or three pumps of the grease gun to
each of the grease fittings.
In the event of noticeable power loss,
remove the Throttle Handle Assembly
by unscrewing it counter-clockwise from
Throttle Connector. Remove the Strainer
Retaining Spring and Air Strainer, and
thoroughly clean both parts. If necessary,
clean and lubricate the Throttle Valve
Assembly. Carefully reassemble the
Throttle Valve, Strainer and Strainer
Spring to the Throttle Handle Assembly.
Reinstall the Throttle Handle Assembly
to the Throttle Connector.
DO NOT operate the air motor without
the Strainer and Strainer Spring in place.
