U.S. General 93274, 90836, 3848 User Manual
Stationary
Air Compressor
Manual
For US General Models
3848 93274 90836
US660V US560V US7580V
For questions concerning this air compressor,
please call: 1-866-869-3114.
Printed In USARev. 0110
TABLE OF CONTENTS
PAGE
1 Safety Guidelines - Definitions
Before Using the Air Compressor
2 When Installing or Moving the Compressor
Before Each Use
3 Follow Safety Precautions for Electrical Connection
Plan Ahead to Protect Your Eyes, Hands, Face & Ears
When Operating
4 Spraying Precautions
Perform These Maintenance Operations
5 Warning Labels
Glossary
6 Wiring
Starting the Compressor
7-8 Troubleshooting
9 Parts
10 Warranty Statement
SAFETY GUIDELINES - DEFINITIONS
Safety is a combination of common sense, staying alert and knowing how your compressor works.
Read this manual to understand this compressor.
DANGER
means if safety information is not followed someone will be seriously injured or killed
WARNING
means if safety information is not followed someone could be seriously injured or killed
CAUTION
means if safety information is not followed someone may be seriously injured or killed
IMPORTANT SAFETY INSTRUCTIONS
Save these instructions
Improper operation or maintenance of this product could result in serious injury and property
damage. Read and understand all warnings and operation instructions before using this compressor.
Before using the air compressor
Things you should know Inspect your work area
Air compressors are utilized in a variety of air
system applications. Because air compressors
and other components (hoses, connectors, air
tools, spray guns, etc.) make up a high pressure
pumping system, the following safety precautions should be observed at all times.
Only persons familiar with these rules of
safe operation should use the air
compressor.
1. Read the instruction manual carefully before
attempting to assemble, disassemble or
operate your system. Be thoroughly familiar
with the controls and the proper use of the
equipment.
2. Review and understand all safety instructions
and operating procedures in this manual.
1. Keep work area clean.
2. Cluttered areas and benches invite accidents.
Floors must not be slippery from wax or dust.
Inspect your compressor
1. To reduce the risk of injury from accidental
starting, turn switch off and disconnect the
power before checking it.
2. If any part is missing, bent or broken in any
way, or any electrical part does not work prop erly, keep the compressor off and disconnected.
3. Check hoses for weak or worn condition
before each use, making certain all connections
are secure. Do Not use if defect is found.
WARNING
3. Review the maintenance methods for this
compressor (See “Maintaining Your
Compressor” section).
Do not operate compressor if damaged during
shipping, handling or use. Damage may result
in bursting and cause injury or property damage.
DANGER
This compressor is Not designed for and should
not be used in breathing air applications.
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When installing or moving the compressor
WARNING
This compressor is extremely top heavy. The
compressor must be bolted to the floor with
vibration pads before operating to prevent
equipment damage, injury or death. Do Not
tighten bolts completely as this may
cause stress to the tank welds.
To reduce the risk of a dangerous
environment
1. Keep work area well lit.
2. Operate compressor in a well-ventilated
area free from flammable liquids and vapors.
3. Operate compressor in a ventilated area so
that compressor may be properly cooled and
the surrounding air temperature will not be
more than 100°F.
4. Never use a compressor in a wet
environment.
6. A minimum clearance of 18 inches between
the compressor and a wall is required
because objects could obstruct airflow.
7. The compressor should be located where it can
be directly wired to a circuit breaker. The
compressor should be wired by a qualified
electrician.
8. Never store flammable liquids or gases in
the vicinity of an operating compressor.
9. Do Not locate the compressor air inlet near
steam, paint spray, sandblasting areas or
any other source of contamination. The
debris could damage the motor and pump.
WARNING
Never use plastic (PVC) pipe for compressed
air. Serious injury or death could result.
CAUTION
5. Protect material lines and air lines from
damage or puncture. Keep hose and
wires away from sharp objects, chemical
spills, oil, solvents and wet floors.
WARNING
Do Not secure compressor with toggle bolts
into drywall. Drywall sheeting or plaster will not
support the weight of the compressor.
Never use the shipping skid for mounting the
compressor.
NOTICE
This compressor is not intended for outdoor
installation.
WARNING
Never install a shut off valve between the compressor pump and tank. Personal injury and/or
equipment damage could occur.
Note: Tank Outlet Size: 1/2” NPT for Stock# 3848 & 93274
3/4” NPT for Stock# 90836
Before each use
Inspect your work area Inspect your compressor
1. Keep work area clean. Cluttered areas and
benches invite accidents.
2. The floor must not be slippery from wax or
dust.
1. To reduce the risk of injury from accidental
starting, turn the switch off and disconnect
power.
2. If any part is missing, bent or broken in any
way, or any electrical part does not work
properly, keep the compressor off and dis connect power. Do Not use if defect is found.
3. Check hoses for weak or worn condition
before each use, making certain all connect ions are secure. Do Not use if a defect is
found.
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