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MAINTENANCE AND INSPECTION INSTRUCTIONS
In order to maintain efficient operation of the compressor system, check the air filter and oil level before
each use. The ASME safety valve should also be checked daily (see Figure 9). Pull ring on safety valve and
allow the ring to snap back to normal position. This valve automatically releases air if the tank pressure
exceeds the preset maximum. If air leaks after the ring has been released, or the valve is stuck and cannot
be actuated by the ring, the ASME safety valve must be replaced.
Figure 9 - ASME Safety Valve
Tank
or damaged tanks.
The tank should be carefully inspected at a minimum of once a year. Look for cracks forming near the
welds. If a crack is detected, remove pressure from tank immediately and replace.
Compressor Lubrication
See Installation. Add oil as required. The oil should be changed every three months or after every 500 hours
of operation; whichever comes first.
If the compressor is running under humid conditions for short periods of time, the humidity will condense
in the crankcase and cause the oil to look creamy. Oil contaminated by condensed water will not provide
adequate lubrication and must be changed immediately. Using contaminated oil will damage bearings,
pistons, cylinders and rings and is not covered under warranty. To avoid water condensation in the oil,
periodically run the compressor with tank pressure near 150 psi by opening the drain cock or an air valve
connected to the tank or hose. Run the pump for an hour at a time at least once a week or more often if
the condensation reoccurs.
IMPORTANT: Change oil after first 50 hours of operation.
Air Filter
Never run the compressor pump without an intake air filter or with
a clogged intake air filter. The air filter element should be checked
monthly (see Figure 10). Operating compressor with a dirty filter
can cause high oil consumption and increase oil contamination in
the discharge air. If the air filter is dirty it must be replaced.
14
Disconnect, tag and lock out power source then release all pressure from the
system before attempting to install, service, relocate or perform any maintenance.
Do not tamper with the ASME safety valve.
Never attempt to repair or modify a tank! Welding, drilling or any other modification will
weaken the tank resulting in damage from rupture or explosion. Always replace worn, cracked
Drain liquid from tank daily.
Figure 10
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