WPG N4300 Series Manual To Maintenance, Troubleshooting, And Repair

THE ORIGINAL
& TRUSTED NAME
IN VACUUM LIFTING
EQUIPMENT
800.548.7341
WPG.com
908 West Main - P.O. Box 368
Laurel, Montana 59044 U.S.A.
406.628.8231 (phone)
406.628.8354 (fax)
Wood's Powr-Grip products are sold
through authorized dealers.
1MTS
Rev. 4.6/ 10-21 Metal Troubleshooter
WOOD'S POWR-GRIP
Inspect the Hand Cup Regularly:
• Examine the vacuum pad for cuts or roughness on the sealing edges (see Inspect the Sealing Edges below).
in plunger action or radical changes in the number of strokes needed to keep the red line hidden.
determine which corrective action is needed.
Clean the Vacuum Pad:
• Never use solvents or rubber conditioners as a cleaning agent
• To prevent liquid from contaminating the pump during cleaning, hold the cup facedown
• If the pad has a felt strip at the edge, be careful not to dampen it.
Inspecting and Testing the Cup for Leakage
Inspect the Sealing Edges:
foreign material.
• If cuts or cracks are present in a sealing edge, a V-shaped gap will appear.
Leak-Test the Hand Cup:
• The red line on the plunger serves as a vacuum indicator:
does not appear during the test period, the cup is usable.
does appear, perform general maintenance and repeat the test.
causes and appropriate corrective actions.
• If these measures do not restore the cup to normal performance, contact the Wood's Powr-Grip
consult the product instructions on www.WPG.com or contact a Technical Sales Representative for more information.
GUIDE TO MAINTENANCE,
®
TROUBLESHOOTING AND REPAIR

General Maintenance

N4950, N5450, N6450,
N4300*, N5300*, N6300*
N4950TS, N5450CS
Metal Handle Hand Cups
cups with plastic plunger assemblies.
32620