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14
installation
CAUTION
Relieve compressor and system air pressure by opening the appropriate
manual relief valve prior to servicing. Failure to relieve all system
pressure may result in severe personal injury, death and property
damage.
PRESSURE SWITCH
The pressure switch is automatic in operation and is adjusted to start and
stop the unit at the minimum and maximum desired air receiver pressure
by cutting in and out the power to the electric motor. On some models,
the pressure switch incorporates a release valve, which releases air
between the check valve located in the receiver and discharge valve in
the head of the compressor.
MANUAL RELIEF AND SHUTOFF VALVES
Install a manual relief valve to vent the compressor to atmosphere. In
those instances where the air receiver tank services a single compressor,
the manual relief valve can be installed on the receiver. When a manual
shut- off valve, and a safety relief valve installed upstream from the
manual relief valve. These valves are to be designed and installed as to
permit maintenance to be performed in a safe manner. Never substitute
a check valve for a manual shut-off valve (block valve) if the purpose is to
isolate the compressor from a system for servicing.
GUARDS
All mechanical action or motion is hazardous in varying degrees and
needs to be guarded. Guarding shall be in compliance with OSHA Safety
and Health Standards 29 CFR 1910.219 in OSHA manual 2206 and any
state or local code.
CAUTION
Guards must be fastened in place before starting the compressor
and never removed before cutting off and locking out the main power
supply.
CAUTION
Excessive speed of the compressor or driver can be lethal. Never
operate the compressor beyond the manufacturer’s recommendation.
Bursting of the flywheel may be the greatest threat because the normal
guard may not contain all the pieces. Crankshaft and connecting rod
breakage is a possibility and compressor efficiency, valve life and
bearing life will be abnormally reduced.
Содержание 120 GALLON HORIZONTAL
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