User guide

SECTION 1: SAFETY INFORMATION

1.10 Caution: To Prevent Injury...

1.11 Never operate this product if it has a damaged cord or plug. If it is not working properly, has been

dropped, damaged or has fallen into water, please return the product to a Welch service center for

examination and repair.

1.12 Keep the cord away from heated surfaces. All electrical products generate heat. To avoid serious burns

never touch unit during or immediately after operation.

1.13 Never block any air openings or place it on a soft surface where the openings may be blocked. The air

openings are for ventilation of the motor inside the housing. Keep all air openings free of lint, dirt and

other foreign objects.

1.14 Model 2511 is thermally protected and can automatically restart when the protector resets. Always

disconnect power source before servicing.

1.15 Never drop or insert ﬁ ngers or any other object into any openings.

1.16 Do not operate this product where oxygen is being administered.

1.17 Wear safety glasses and goggles when operating this product. Never point any air nozzle or air sprayer

toward another person or any part of the body.

1.18 Use only in well ventilated areas.

1.19 Do not use any tools or attachments without ﬁ rst determining maximum air pressure for that tool

or attachment. Be sure to properly identify intake and discharge before using pump. See Section 2.50.

CAUTION

Do not ﬁ ll the collection jar above the safe ﬁ ll level line

indicated on the jar.

1.20 Caution: To Reduce Risk Of Electrical Shock...

1.21 Do not disassemble. Disassembly or attempted repairs if accomplished incorrectly can create electrical

shock hazard. Refer servicing to qualiﬁ ed service agencies only.

1.22 115V unit is supplied with a three pronged plug. Be sure to connect pump to a properly grounded outlet

only.

1.30 Warning: To Reduce Risk Of Electrocution...

1.31 Do not use this product in or near area where it can fall or be pulled into water or other liquids.

1.32 Do not reach for this product if it has fallen into liquid. Unplug immediately.

1.33 Never operate this product outdoors in the rain or in a wet area.

1.40 Danger: To Reduce Risk Of Explosion or Fire...

1.41 Do not use this pump in or near explosive atmospheres or where aerosol (spray) products are being

used.

1.42 Do not pump anything other than atmospheric air.

1.43 Do not pump combustible liquids or vapors with this product or use in or near an area where

ﬂ ammable

or explosive liquids or vapors may exist.

1.44 Do not use this product near ﬂ ames.

WARNING

Failure to observe the above safety precautions could result

in severe bodily injury, including death in extreme cases.