What is the most probable cause of weak suction in a vacuum cleaner…
A. Unbalanced fan blades C. A shorted armature B. Worn brushes and bearings D. Leaking gaskets and fittings
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The most common cause is an obstruction in the hose or inlet to the filter. That is after you assure youself the bag is new and the correct size.
all of the above.
D. leaky gaskets and fittings.
Make sure the hose is clear.
Check the roller (if upright to make sure no hair is wound into it)
Check the belt to make sure it is not worn
USA Your question was incomplete. So, for upright vacuum cleaners, the most common cause of weak suction is loose connections in the vacuum stream. However, the most common reasons for the cleaner not picking up all the dirt are:
The belt is loose or broken. The beater brush is worn down and should be replaced. Blockage. And the number one cause is: The bag is more than half full.
Also, the slower a cleaner is moved over the carpet, the more it will pick up. The faster the cleaner is pushed over the carpet, the less it picks up.
I am not very familiar with canister type vacuums and offer no advice there.
you didn’t say what type of vacuum you have, but ours has 2 filters (one intake and one exhaust) that need to be cleaned regularly or the sucking power drops off considerably.
The most common cause is an obstruction in the hose or inlet to the filter. That is after you assure youself the bag is new and the correct size.
all of the above.
D. leaky gaskets and fittings.
Make sure the hose is clear.
Check the roller (if upright to make sure no hair is wound into it)
Check the belt to make sure it is not worn
USA Your question was incomplete. So, for upright vacuum cleaners, the most common cause of weak suction is loose connections in the vacuum stream. However, the most common reasons for the cleaner not picking up all the dirt are:
The belt is loose or broken. The beater brush is worn down and should be replaced. Blockage. And the number one cause is: The bag is more than half full.
Also, the slower a cleaner is moved over the carpet, the more it will pick up. The faster the cleaner is pushed over the carpet, the less it picks up.
I am not very familiar with canister type vacuums and offer no advice there.
you didn’t say what type of vacuum you have, but ours has 2 filters (one intake and one exhaust) that need to be cleaned regularly or the sucking power drops off considerably.