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Questions & Answers
My rigid shop vac 4.0 has no suction
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.
Shop Vac Vacuums
on Aug 01, 2018
How to use Shop Vac 85L450 exhaust as blower
Unlike the old days few vacs today have a blower facility.
In the old days many vacs used a single exhaust port the hose could fit into for blowing and in particular using some of the supplied accessories - such as the famous spray gun loved and hated by everyone in equal measure.
Modern vacs tend to have a diffused exhaust usually through several ports, perhaps because of imagined safety concerns. I suggest you check the operator instructions.
Shop Vac Vacuums
on Nov 09, 2017
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