Eureka 4870 Series Owner's Manual page 10

How to Remove and Check CmearTubes
Low suction or poor pickup may be due to a blockage in the vacuum cleaner.
To Check Attachment Hose
1. Move hose/floor valve (A) to hose position.
2. Remove hose (B) and check suction at end of hose =if little or no suction, check
disposable dust bag and filters. Change if needed, if no improvement proceed to
step 3.
NOTE: Turn off the switch and unp{ug the electNca{ cord before checking tubes.
To Check Large base hose coming from hood, go directly to step 3.
3. Turn quarter turn fastener (C) to unlock.
4. Lift latch (D).
5. Pull small clear tube (E) down and away from cleaner.
6. At hose/clear tube connection, rotate twist lock (F) to release tube.
7. Check for blockages.
8. Remove large clear tube (G) by swinging back and pulling down and away from
cleaner.
9. At large hose/clear tube connection, rotate twist lock (H) to release tube.
10. Check for blockages in both clear tubes (EtG) and both hoses (I).
NOTE: Clean tubes with mild detergent. Do not put them in a dishwasher. Make
sure atl parts are completely dry prior to reassembling.
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