OPERATION AND MAINTENANCE MANUAL
TPD1456
Models 251A1 and 251A3 Sump Pumps are particularly recommended for contractors and
maintenance crews where lightweight, compactness, and low air consumption are prime
factors.
Ingersoll–Rand is not responsible for customer modification of pumps for applications on
which Ingersoll–Rand was not consulted.
IMPORTANT SAFETY INFORMATION ENCLOSED.
READ THIS MANUAL BEFORE OPERATING PUMP.
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 PUMPS IN SERVICE
Always operate, inspect and maintain this tool in
accordance with American National Standards
Institute Safety Code for Portable Air Tools
(ANSI B186.1).
For safety, top performance, and maximum
durability of parts, operate this pump 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 pump, or before
performing any maintenance on this pump.
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.
The use of other than genuine Ingersoll–Rand replacement parts may result in safety hazards, decreased pump
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 1996
Printed in U.S.A.
251A1 AND 251A3 SUMP PUMPS
03524360
Always use clean, dry air at 90 psig maximum air
pressure. Dust, corrosive fumes and/or excessive
moisture can ruin the motor of an air pump.
Do not lubricate pumps with flammable or volatile
liquids such as kerosene, diesel or jet fuel.
Do not remove any labels. Replace any damaged
label.
USING THE PUMP
Always wear eye protection when operating or
performing maintenance on this pump.
Always wear hearing protection when operating
this pump.
Use accessories recommended by Ingersoll–Rand.
Do not start or operate this pump unless it is
submerged.
This pump is not designed for working in explosive
atmospheres.
This pump is not insulated against electric shock.
F
Form P5931
Edition 12
E
March, 1996
P