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My rigid shop vac 4.0 has no suction - Shop Vac Vacuums

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david bugden

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If the motor is turning on then the issue is one of three things blocked exhaust, blocked intake or the fan that moves the air is loose on the motor . The last doesn't happen as much but can. First thing is to make sure the safety ball hasn't become stuck in the intake line. ( this ball stops water from reaching the motor when using it in a wet environment.. If the machine was knocked over while running or was used to suck up water the ball may be stuck) to fix this , remove the wheels from the bottom of the canister , with the machine off raise it and bang it on the floor several times . If you hear a ball drop then that was your issue. If not Disconnect the hose and see if you have suction at the intake. If you do the problem is a blocked hose. Reverse the hose and try sucking the other direction. If the exhaust is blocked the Vac will come on but the machine will sound like it's under load. Try running it without the filters ( do not use in dirt until filter is cleaned and replaced.,). To check the suction fan requires unplugging the Vac from the wall and opening the motor shroud . Locate the fan , see if it is damaged or loose.

Posted on Aug 01, 2018

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5 Related Answers

Anonymous

  • 1 Answer

SOURCE: how do i go from

can I run my sears shop vac without the paper bag, for dry pickup?

Posted on May 02, 2009

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Anonymous

  • 1 Answer

SOURCE: I need a manual for a Rigid 5 gal shop vac or a

open it up. the manual is inside.

Posted on Mar 06, 2010

Anonymous

  • 1 Answer

SOURCE: I was using my Rigid WD09450 shop vac and the

I need instruction manual asap

Posted on Jun 28, 2010

kevin_getz

Kevin Getz

  • 1032 Answers

SOURCE: weak suction shop vac

Is the tank filled completely with dirt? When was the filter last replaced or cleaned?

Posted on May 16, 2012

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God bless you
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