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and then the compressed air
pressure enters the tank
through the pipe. Finally,
connect the air hose to the tool,
making the tool operate.

2. COMPONENTS
CHARACTERISTIC

The compressor motor is a
direct-drive, single-stage, z type
reciprocation air-cooled
compressor. The valve structure
is a strip-style valve. Its cooling
and lubricating is reasonable
and its performance is reliable.

APPLICATION

The compressors are widely
used in various pneumatic tools
and machines of
communication, machinery
manufacturers, medical and
health, garments, spinning and
weaving works, such as tire,
gas-filled, painting, etc.

OPERATION,
LUBRICATION, AND
MAINTENANCE

After opening your tool, make
sure that you have all of the
safety manuals, all of the spare
parts, and carefully inspect the
compressor for any damage.

Pull out the oil ruler. During the
winter, fill the tank to the
stipulated level with N32
machine lubricating oil. In the
summer, fill the tank with N68
machine lubricating oil. After
filling, reinsert the oil ruler, plug
in the power cord, and operate
the compressor without load.
Check to make sure that it is
operating properly.

Connect the pneumatic tool to
the air compressor, and then
start the compressor. You may
now use your tool.

NOTE: 

The compressor should

be started without any working
pressure.

The compressor uses machine
lubricating oil. Fill the
compressor with oil before
starting. During operation, the oil
temperature must be below 158

F. (Use N32 in the winter and
N68 in the summer.)

After 500 hours of operation,
replace the oil, disassemble the
crankcase and cover, and clean
the old oil and dirty things. After
giving the compressor a
thorough cleaning, reassemble
the crankcase and cover, and fill
the tank with fresh oil.

Clean the air filter once every
week.

After 16 hours of operation, open
the petcock and drain the water
from the tank. Clean the tank
once every 6 months.

After each use, turn off the power
and drain all the pressure from
the tank.

In order to maintain the
compressor normally,
disassemble the compressor,
then with a light oil, such as
gasoline, clean all the parts. After
cleaning, dry the parts
thoroughly. When reassembling,
smear grease on the touching
surfaces. If necessary, repair or
replace worn or broken parts.
Reassemble and adjust the parts
correctly.

NOTE: 

Electric units should be

ground correctly.

If the compressor is not going to
be used for an extended period
of time, the air valves and
touching surfaces should be
cleaned and smeared with
grease.

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Summary of Contents for 7678

Page 1: ... the safety information herein SPECIFICATIONS Horsepower 1 5 HP Running Maximum PSI 125 PSI Tank Capacity 15 Gallons CFM 6 CFM 40 PSI 5 CFM 90 PSI CAUTION FOR YOUR OWN SAFETY READ INSTRUCTION MANUAL COMPLETELY AND CAREFULLY BEFORE OPERATING THIS 15 GALLON AIR COMPRESSOR Any failures made in following the safety regulations and instructions may result in an electric shock fire and or serious injury...

Page 2: ... point the nozzle or sprayer toward a person or any part of the body Do not adjust the pressure switch or relief valve for any reason Doing so will void the warranty The compressor is preset for the maximum pressure of the unit Drain the moisture from the tank on a daily basis A clean dry tank will help prevent corrosion Pull the pressure relief valve ring daily to ensure that the valve is functio...

Page 3: ...he air compressor and then start the compressor You may now use your tool NOTE The compressor should be started without any working pressure The compressor uses machine lubricating oil Fill the compressor with oil before starting During operation the oil temperature must be below 158ー F Use N32 in the winter and N68 in the summer After 500 hours of operation replace the oil disassemble the crankca...

Page 4: ...se Blown fuse Motor will restart when cool approx 15 minutes Thermal overload open Reset Determine why the problem happened Breaker down Check with voltmeter 105v min Low voltage Thermal overload protector cuts off repeatedly Check for proper fuse Use time delay fuse Disconnect from other electrical appliances from circuit or operate compressor on its own branch circuit Incorrect size fuse circuit...

Page 5: ... DANGER Do not disassemble check valve with air in tank Bleed tank first Check valve leaking Tighten draincock Open draincock Tighten draincock Open draincock Air output lower than normal Tighten bolts Loose mounting bolts Compressor vibrates Replace switch Defective pressure switch Compressor runs continually Drain receiver Excessive water in tank Excessive moisture in discharge air Check for air...

Page 6: ... accidents repairs or alterations or a lack of maintenance NAT shall in no event be liable for death injuries to persons or property or for incidental special or consequential damages arising from the use of our products To receive service under warranty the original manufacturer part must be returned for examination by an authorized service center Shipping and handling charges may apply If a defe...

Page 7: ...8807678 02 13 15 GALLON AIR COMPRESSOR 7 For Customer Service Call 1 800 348 5004 or Email feedback natitools com Model 7678 ...

Page 8: ...8 feedback natitools com ...

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