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Operation & Parts Manual
1/4" Angle Die Grinder
Installation
Always use clean dry air. Excessive moisture and dirt will
greatly reduce the life of any air motor. We recommend the
installation of an in-line filter-regulator-lubricator as close to
the tool as possible.
A 3/8 " air hose is required up to a length of 8 ft. If more length
is required a 1/2 " air hose should be connected to the 3/8 "
hose to ensure the tool has the necessary air supply. Be sure
all hoses and fittings are the correct size and tightly secured.
Pre-Operation
Before the tool is connected to the air supply, clear the air
hose of accumulated dust and moisture. Before removing a
tool for service, make sure the air line is shut-off and drained
of air. This will prevent the tool from operating if the throttle is
accidentally engaged.
Operation
This Husky angle die grinder is designed for use with mounted
stones and burrs with a 1/4 " mandrel rated at 18,000 RPM or
higher. This tool has a lock-off lever throttle and an internal
regulator. To begin operation, grip tool and depress safety lock
while engaging throttle. The built-in regulator is Iocated opposite
the throttle lever, and will rotate fully and allows speed
adjustment of the tool.
Air Regulator
Maximum RPM
To mount stones and other accessories, use the wrenches
supplied with the tool. Always disconnect air supply before
changing any accessories. Hold spindle with one wrench
(11mm), while using the other wrench (17mm) to turn collet
nut. Fully insert mandrel into chuck and tighten until secured
in collet.
Daily, before use, without accessories, check spindle speed.
Tighten spindle attachments securely. The grinder should be
gradually applied to the work surface until the stone or burr
becomes warm. Make smooth contact with the work and avoid
any bumping action or excessive force.
More than 1/100 slope
Branch line = 2 times
Stop
Tool inlet/hose size
Valve
Auto Drain
Valve
Auto Drain
Valve
Recommended Air Line Set-Up
4
Minimum RPM
Main line = 3 times
Filter
Tool inlet/hose size
Regulator
Lubricator
Stop
Valve
Air Tool
Air Compressor
Warning
- Never operate tool without inspecting
and installing the proper accessories. Doing so may result in
personal injury or damage to the tool. Use only accessories rated
at or above RPM of tool.
Caution
- Only use mounted grinding stones or
burrs rated at tool rpm or higher. Never operate tool without
weating proper protective gear.
WARNING:
Some dust created by power sanding, sawing, grinding,
drilling, and other construction activities contains
chemicals known to cause cancer, birth defects or
reproductive harm.
Some examples of these chemicals are:
Lead from lead-based paints
Crystalline silica from bricks ,cement and other
masonry products
Arsenic and chromium from chemically treated lumber
Your risk from these exposures varies, depending on
how often you do this type of work. To reduce your
exposure to these chemicals, work in a well ventilated
area and work with approved safety equipment such as
those dust masks that are specially designed to filter out
microscopic particles.
Maintenance
Lubrication
An automatic in-line filter-regulator-lubricator is recommended
as it increases tool life and keeps the tool 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
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 at that time. The tool
should be run for approximately 30 seconds to ensure oil has
been evenly distributed throughout the tool. The tool should be
stored in a clean and dry environment.
Recommended lubricants: Use Husky air tool oil or any other
high grade turbine oil containing moisture absorbents, rust
inhibitors, metal wetting agents and an EP (extreme pressure)
additive.
Model No. HSTC4716
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