Maintenance - Craftsman 875.199820 Owner's Manual

Pneumatic 1/2" drive impact wrench
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slo. pe
ranch ne = 2 t
Sto _
Filter
Main line = 3 times
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Reoulator
Tool inlet/hose size
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Drain
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AirTool
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Air Hose Hook Up
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This tools power regulator valve, this tool may be
adjusted by rotating the switch (Ref. No. 27), until desired
output is achieved.
The numbers 1 through 3 on the
regulator are only for reference and do not denote a
specific power output.
Turn counterclockwise
to one for
less power and clockwise to three for maximum power.
Power is regulated in both forward and reverse direction.
Once a bolt or fastener is seated, impacting for longer
than five seconds will cause excessive wear and
damage to the impacting mechanism.
If it takes longer
than five seconds to tighten your bolt or fastener, we
recommend the use of a larger size impact wrench.
WARNING
Once a bolt or fastener is seated, impacting for longer
than five (5) seconds will cause excessive wear and
possible damage to the impacting mechanism. If it
takes longer than five seconds to tighten or loosen your
bolt or fastener,
we recommend the use of a larger size
impact wrench.
Lubrication
An in-line filter-regulator-lubricator
(fig 1) is recommended
as it increases tool life and keeps the tooI in sustained
operation. The in-line lubricator should be regularly
checked and filled with air tool oil. Proper adjustment of
the in-line lubricator is performed by placing a sheet of
paper next to the tools exhaust ports and holding the
throttle open approximately 30 seconds. The lubricator is
properly set when a light stain of oil collects on the paper.
Excessive amounts of oil should be avoided.
In the event that it becomes necessary to store the tool for
an extended period of time (overnight, weekend, etc.), it
should receive a generous amount of lubrication through
the air inlet. The tool should be run for approximately 30
seconds to ensure oil has been evenly distributed through
out the tool. The tool should be stored in a clean and dry
environment.
Recommended
lubricants:
Use air tool oil or any other
high grade turbine oil containing moisture absorbent, rust
inhibitors, metal wetting agents and an EP (extreme
pressure) additive.
Impact clutch lubrication:
The tooI reservoir in the anvil
housing is greased. No maintenance
is required.

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