MAINTENANCE /
REP
AIR
TROUBLESHOOTING
OPERA
TION
ASSEMBL
Y /
INST
ALLA
TION
SAFETY /
SPECIFICA
TIONS
GETTING
ST
AR
TED
6
GETTING TO KNOW YOUR UNIT
Pressure Switch -
Auto/Off Switch - In the “
AUTO
” position, the compressor shuts off automatically when
tank pressure reaches the maximum preset pressure. In the “
OFF
” position, the compressor will not operate.
This switch should be in the “
OFF
” position when connecting or disconnecting the power cord from the
electrical outlet.
Regulator -
The regulator controls the amount of air pressure at the hose outlet.
ASME Safety Valve -
This valve automatically releases air if the tank pressure exceeds the preset
maximum.
Exhaust Tube -
This tube carries compressed air from the pump to the check valve. This tube becomes very
hot during use. To avoid the risk of severe burns, never touch the discharge tube.
Check Valve -
One-way valve that allows air to enter the tank, but prevents air in the tank from flowing
back into the compressor pump.
Handle -
Designed to move the compressor.
Never use the handle on wheeled units to lift the unit completely off the ground.
Drain Valve -
This valve is located on the bottom of the tank. Use this valve to drain moisture from the
tank daily to reduce the risk of corrosion.
Pressure Gauges
- These gauges will show air pressure in the compressor tank and at the compressor
outlet.
Outlet Pressure Gauge
- Will show air pressure at the outlet in pounds per square inch (PSI). Make sure
this gauge reads ZERO (by adjusting regulator knob fully counterclockwise) before changing air tools or
disconnecting air hose from outlet.
Tank Pressure Gauge
- Will show air pressure in tank while the compressor is running, indicating
compressor is building pressure properly. This gauge will show maximum pressure of compressor when it
shuts off automatically at the pressure switch.
Motor Reset
- (not shown, located inside motor). Designed to keep the motor from overheating. The
motor has an auto reset protector. To reset once the motor has cooled, turn the pressure switch to the OFF
position, then to the AUTO position.
This compressor is equipped with an overload protector which will shut off motor if it becomes
overloaded.
If the overload protector is actuated, the motor must be allowed to cool down for
approximately 30 minutes before it will reset.
Figure 3
Check Valve
Regulator
Safety Valve
Handle
Tank Gauge
Outlet
Gauge
Pressure Switch
Air Filter
