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Is their maintenance I need to do on my H702 central Vacumn?

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H702 appears to be a Honeywell heavier duty for mid to large floor areas.I have not seen them but internally most Central vacs are VERY similar.
Most central vacs have an exposed filter which should be inspected periodically for damage or cleaning and replacement. A hanging cloth filter is normally fine for 7- 10 years with periodic inspection by the homeowner. Look for tears, never pick up wet stuff. very simple. You can clean a cloth filter prior to inspecting with the round brush from another vac or a soft paint brush.

I found internet reference to an H702 bag but it may be an option for your vac.
Some cv's have an additional or optional paper bag for allergy sufferers or removable cartridge filter which would be visible when removing the dust pail. regardless, the filter protects the motor from damage, periodically inspect when emptying. If dust gets through a damged filter it can leak into and blow a motor. As an cv ages a small degree of fine dust gets in no matter the brand, but most are fine for 10-12 years with no service.

If you see dust in the air exhausting or puffing from the vac, have the unit checked as this indicates dust which has run completely through the motor. If you see a small amount of black dust exhausting along your wall, it is normal from internal brush wear. Turn the vac on and off and listen to the motor as it winds down. If it growls or sounds scratchy or is squealing, that is an indication it needs to be serviced. Clean and inspect you pwer head every 4-6 months and change a smooth drive belt twice a year, broken or not as it will be stretched.
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If this helps please post a response

Posted on Sep 26, 2009

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