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Air leaks in air
tank or
at air tank welds.
• Damaged air tank.
• DO NOT DRILL INTO,
WELD OR
OTHERWISE MODIFY
AIR TANK OR IT
WILL WEAKEN. THE
TANK CAN RUPTURE
OR EXPLODE. TANK
MUST BE REPLACED.
• Contact an authorized
qualified service
center.
Air leaks between
head and valve
plate.
• Leaking ring.
• Torque head screws to
8 ft. lbs. If this does
not stop leak, replace
ring.
Motor will not run
or restart.
• Tank pressure exceeds
pressure switch “cut-in”
pressure.
• Wrong gauge wire or length
of extension cord.
• Check valve stuck open.
• Loose electrical connections.
• Possible malfunctioning
motor or starting capacitor.
• Paint spray on internal
motor parts.
• Fuse blown, circuit breaker
tripped.
• Pressure release valve on
pressure switch has not
unloaded head pressure.
• Let motor cool off and
overload switch will
automatically reset.
• Motor will start
automatically when
tank pressure drops
below “cut-in” pressure
of pressure switch.
• Check for proper gauge
wire and cord length.
• Remove and clean, or
replace.
• Check wiring
connection inside
pressure switch and
terminal box area.
• Check fuse box for
blown fuse and
replace, if necessary.
Reset circuit breaker.
Do not use a fuse or
circuit breaker with
higher rating than that
specified for your
particular branch
circuit.
• Check for low voltage
• conditions and/or
proper extension cord.
• Disconnect the other
electrical appliances
from circuit or operate
the compressor on its
own branch circuit.