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Re: Kirby G4 without suction
Change your belt, if there is suction from the hose, and you cant see any blockages in the area where the brush roll is then you need to change the belt, even if it isnt broken. putting your hand over the nozzle to feel the suction is not the way to tell if it has suction.
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This style of vacuum has great airflow but does not have great suction, especially at the end of the hose but it still should have enough to pick up most soils. It may have a restriction in the suction tube or emptor. The disposable bag may be full or clogged, the outer bag could also be clogged.
Put the hose and see if suction is good. If it is - you may have had nozzle installed wrong or brush roll may be worn out (bristles must be sticking out of the nozzle by about 1/8 of an inch).
If there is no suction with the hose either - check if bag is not overfilled to the point where dirt is blocking the fill tube hole.
If two above are fine - something must be blocking the air passage from the fan to the bag. Check for clogs in the fill tube (tube inside the cloth bag) and mini emptor (bag bottom plastic part) and also see if there is something blocking the exhaust on the vacuum. You may not even see it so use a piece of wire.
Flip the Kirby over,and you will find screws that hold the front axle in place.Remove the screws and the front axle.Debris may be caught in the mechanism.Clean the debris out,and use WD-40 to lubricate the mechanism.May be able to do this without removing the axle,but removing it allows for better cleaning or for identifying broken or missing parts.