Bissell 3990 User Manual download pdf (Page 9)

Clean carpet sensor

(Select models only)

The clean carpet sensor detects dirt being

picked up while the vacuum is in use. When the

vacuum is picking up dirt, the red light will come

on. Occasionally, the lights may alternate quickly

back and forth if the area is only lightly soiled

or the dirt is spread out. For the best cleaning,

continue to vacuum until the green light remains

constantly illuminated.

Special on-board tools

Your vacuum is not only a powerful carpet and

rug cleaner, it’s also a versatile above floor

vacuum cleaner when you select one of the

special tools.

1. Raise the handle to the upright position.

2. Grasp the curved hose wand handle to

separate from hose wand base.

3. Attach tools by firmly pushing onto vacuum

hose, curved hose wand or extension wand.

They are a friction fit, so be sure the hose

and tool fit snuggly together.

Dusting Brush/Upholstery Tool: Two types of

cleaning tools in one attachment.

• Use the dusting brush to dust

furniture, blinds, books, lamps, shelves

and baseboards.

• Slide the brush off to use the

upholstery tool on cushions,

draperies and fabrics.

Operation

www.bissell.com 800.237.7691

Dusting Brush/

Upholstery Tool

Extension Wand

Crevice Tool

Hose Wand Base

Curved Hose

Wand

Electronic

Dirt Sensor

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Bissell 3990 User Manual Page 9