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OPERATION
This tool is an impacting tool and not a torque meter. When specific
torque is required, it must be checked with a torque meter after fitting
the fastener with the Impact.
If a fastener does not move within five seconds, use a larger size Impact.
Do not use Impact Wrench beyond rated capacity, as this can drastically
reduce the tool life.
Always turn off the air supply, drain hose of air pressure and detach
tool from air supply before installing, removing or adjusting any part or
accessory on this tool, or before performing any maintenance on this
tool.
FEATURES
• Compact and lightweight with powerful 370 ft.-lbs of torque.
• Efficient 7 vane motor provides more power in 3/8" drive than ever before.
• Convenient one hand operation forward/reverse lever switches sides for both right and left hand use.
• Exclusive anti-vibration cushioned grip protects operator from fatigue during use.
AIR SUPPLY
Tools operate on a wide range of air pressures. It is recommended
that air pressure measures 90 psig at the tool with the trigger fully
depressed and no load applied to the tool. Higher pressure (over
90 psig; 6.2 bar) raises performance beyond the rated capacity of
the tool, which will shorten tool life and could cause injury.
Always use clean, dry air. Dust, corrosive fumes and/or water in
the air line will cause damage to the tool. Drain the water from
air lines and compressor prior to running tool. Clean the air inlet
filter screen weekly. The recommended hookup procedure can
be viewed in FIG. 1.
The air inlet used for connecting air supply has standard 1/4" NPT.
Line pressure should be increased to compensate for unusually
long air hoses (over 25 feet). Minimum hose diameter should be
3/8" I.D. and fittings should have the same inside dimensions and
be tightly secured .
Ensure an accessible emergency shut off valve has been installed
in the air supply line and make others aware of its location.
Whip Hose
Do Not Install
Quick Coupling
Nipple
Here
Leader
Quick Coupler
Hose
MT2138
MT2138 3/8" Super Duty Composite Impact Wrench
Filter
Nipple
Oiler
Regulator
NOTE: Actual torque on a fastener is directly related to joint hardness,
tool speed, condition of socket and the time the tool is allowed to impact.
Use the simplest possible tool-to-socket hook up. Every connection
absorbs energy and reduces power .
NOTE: During operation, safety goggles must always be worn to guard
against flying rust and chips (users and bystanders).
TROUBLESHOOTING
Other factors outside the tool may cause loss of power or erratic
action. Reduced compressor output, excessive drain on the air line,
moisture or restrictions in air pipes or the use of hose connections
of improper size or poor conditions may reduce air supply. Grit or
gum deposits in the tool may cut power and may be corrected
by cleaning the air strainer and flushing out the tool with gum
solvent oil or an equal mixture of SAE #10 and kerosene. If outside
conditions are in order, disconnect tool from hose and take tool to
your nearest authorized service center .
LUBRICATION AND MAINTENANCE
Lubricate the air motor daily with high quality air tool oil. If no air
line oiler is used, run 1/2 oz. of oil through the tool. The oil can
be squirted into the tool air inlet or into the hose at the nearest
connection to the air supply, then run the tool . A rust inhibitive oil
is acceptable for air tools.
WARNING: After an air tool has been lubricated, oil will discharge
through the exhaust port during the first few seconds of operation.
The exhaust port must be covered with a towel before applying
air pressure to prevent serious injury.
Air Supply
Drain Daily
FIG. 1
3
AiR
inleT
TRiGGeR
FIG. 2
Rev. 4/1/15
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