Welch Vacuum 2581B-50 WOB-L Pinston Pump - Manual (Page 4)

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Section 1: SAFETY INFORMATION
I.10 CAUTION: To prevent injury....
I.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.
I.12 Keep the cord away from the heated surfaces.
I.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.
I.14 The PTFE pump is thermally protected and can automatically restart when the protector resets.
Always disconnect power source before servicing.
I.15 Wear safety glasses or goggles when operating this product.
I.16 Use only in well ventilated areas. The motor is fan cooled enclosed in a shell.
I.17 All electrical products generate heat. To avoid serious burns never touch unit during or immediately
after operation.
I.18 Be sure to properly identify intake and discharge before using pump. See Section II-5.
I.20 CAUTION: To reduce risk of electrical shock....
I.21 Do not disassemble. Disassembly or attempted repairs if accomplished incorrectly can create
electrical shock hazard. Refer servicing to qualified service agencies only:
Call (847) 676-8800 Ext. 1
I.22 Unit is supplied with a three pronged plug. Be sure to connect pump to a properly grounded
outlet only.
I.23 WARNING: To reduce risk of electricution…
I.24 Do not use this product in or near area where it can fall or be pulled into water or other liquids.
I.25 Do not reach for this product if it has fallen into liquid. Unplug immediately.
I.26 Never operate this product outdoors in the rain or in a wet area.
I.27 DANGER: To reduce risk of explosion or fire…
I.28 Do not use this pump near explosive atmospheres or where aerosol (spray) products are being used.
I.29 Do not use this product near flames.
WARNING
Do not operate the pumps in an atmosphere containing
flammable or explosive gases/vapors.
WARNING
Never block the exhaust port. If the exhaust is blocked, pressure
will build-up in the pump with the potential of the pump head
bursting and causing possible injury to personnel in the area.
WARNING
Failure to observe the above safety precautions could result
in severe bodily injury, including death in extreme cases.