MODEL 551SMA–EU AND 551S0A–EU REVERSIBLE DRILLS
Model 551SMA–EU and 551S0A–EU Drills are designed for heavy drilling and reaming in
shipbuilding, railroad car shops, fabricated metal and construction applications.
Ingersoll–Rand is not responsible for customer modification of tools for applications on
which Ingersoll–Rand was not consulted.
IMPORTANT SAFETY INFORMATION ENCLOSED.
READ THIS MANUAL BEFORE OPERATING TOOL.
IT IS THE RESPONSIBILITY OF THE EMPLOYER TO PLACE THE INFORMATION
IN THIS MANUAL INTO THE HANDS OF THE OPERATOR.
FAILURE TO OBSERVE THE FOLLOWING WARNINGS COULD RESULT IN INJURY.
PLACING TOOL IN SERVICE
Always operate, inspect and maintain this tool in
accordance with all regulations (local, state, federal
and country), that may apply to hand held/hand
operated pneumatic tools.
For safety, top performance, and maximum
durability of parts, operate this tool at 90 psig
(6.2 bar/620 kPa) maximum air pressure at the inlet
with 1" (25 mm) inside diameter air supply hose.
Always turn off the air supply and disconnect the
air supply hose before installing, removing or
adjusting any accessory on this tool, or before
performing any maintenance on this tool.
Do not use damaged, frayed or deteriorated air
hoses and fittings.
Be sure all hoses and fittings are the correct size
and are tightly secured. See Dwg. TPD905–1 for a
typical piping arrangement.
Always use clean, dry air at 90 psig (6.2 bar/
620 kPa) maximum air pressure. Dust, corrosive
fumes and/or excessive moisture can ruin the motor
of an air tool.
Do not lubricate tools with flammable or volatile
liquids such as kerosene, diesel or jet fuel.
Do not remove any labels. Replace any damaged
label.
USING THE TOOL
Always wear eye protection when operating or
The use of other than genuine Ingersoll–Rand replacement parts may result in safety hazards, decreased tool
performance, and increased maintenance, and may invalidate all warranties.
Repairs should be made only by authorized trained personnel. Consult your nearest Ingersoll–Rand Authorized
Servicenter.
Refer All Communications to the Nearest
Ingersoll–Rand Office or Distributor.
Ingersoll–Rand Company 1999
Printed in U.S.A.
INSTRUCTIONS FOR
performing maintenance on this tool.
Always wear hearing protection when operating
this tool.
Keep hands, loose clothing and long hair away from
rotating end of tool.
Note the position of the reversing lever before
operating the tool so as to be aware of the direction
of rotation when operating the throttle.
Anticipate and be alert for sudden changes in
motion during start up and operation of any power
tool.
Keep body stance balanced and firm. Do not
overreach when operating this tool. High reaction
torques can occur at or below the recommended air
pressure.
Tool accessories may continue to rotate briefly after
throttle is released.
Air powered tools can vibrate in use. Vibration,
repetitive motions or uncomfortable positions may
be harmful to your hands and arms. Stop using any
tool if discomfort, tingling feeling or pain occurs.
Seek medical advice before resuming use.
Use accessories recommended by Ingersoll–Rand.
This tool is not designed for working in explosive
atmospheres.
This tool is not insulated against electric shock.
This tool is designed to be operated by two persons.
03524410
Form P5944–EU
Edition 10
May, 1999
GB