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Air-Leg Specifications
Model
FT160
Installation and Lubrication
Size air supply line to ensure tool's maximum operating pressure (PMAX) at tool inlet. Drain
condensate from valve(s) at low point(s) of piping, air filter and compressor tank daily. Install
a properly sized Safety Air Fuse upstream of hose and use an anti-whip device across any
hose coupling without internal shut-off, to prevent hose whipping if a hose fails or coupling
disconnects. See drawing 16572133 and table on page 2. Maintenance frequency is shown in
circular arrow and defined as h=hours, d=days, and m=months. Items identified as:
1. Air filter
2. Regulator
3. Lubricator
4. Emergency shut-off valve
5. Hose diameter
Air Supply Connections
Always use clean, dry air. Dust, corrosive fumes and/or excessive moisture can ruin an air tool. An
air line filter can greatly increase the life of an air tool. The filter removes dust and moisture.
Use quality hose designed for rock drill service. Rock drill hose is constructed with an outer
covering that resists abrasive wear and an oil resistant inner tube capable of withstanding the
heat of compressed air. Quality hose has a working pressure safety factor of at least 4 to 1 in
relation to burst.
When using new air hose, blow lubricated air through the hose for a duration of time that is long
enough to completely coat the inside with oil.
Blow out the main air supply hose to get rid of moisture, rubber particles and dirt before
attaching the hose to the tool.
Before connecting the air hose to the air connection, pour 2 to 3 oz. (.06 to .09 L) of Rock Drill Oil
into the inlet. The tool is shipped from the factory with a standard 3/4" NPT male inlet thread.
Make sure all hoses and fittings are the correct size and are tightly secured. See diagram
Dwg. 16572133 on page 2 for a typical piping arrangement.
Air Requirements
An air compressor of sufficient capacity is needed to provide the necessary volume of air at the
most efficient operating pressure to ensure effective and economical operation of the Rock Drill.
The air requirements represent air pressure at the Rock Drill inlet and not at the compressor.
There is always a certain amount of pressure drop between the compressor and the Rock Drill;
only the pressure and volume at the tool is effective in doing work. If a hose is relatively short
and in good condition, the pressure drop between the compressor (or air receiver) and the Rock
Drill should not exceed 15 percent of the initial pressure.
EN-2
Weight
(Kg)
17
6.
7.
8.
9.
CAUTION
Length
(mm)
1668
Thread size
Anti-whip device
Oil
Safety Air Fuse
Feed Length
(mm)
1338
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