Operating instructions

NT 773 I / NT 993 I

English

Empty the container

æSwitch off the unit

Drain dirty water using the drain hose

Note:

Clean and dry container after finishing wet vacuuming.

Care and maintenance

Danger!

Always pull out the mains plug when working on the suction machine

Cleaning the protective gratings in the hose to the suction head and at the appliance

Fault instructions

The suction turbine does not run

Check the cable, plug, fuse and socket.

Switch on the machine.

The suction power decreases

æEmpty the container.

Remove obstructions out of the suction nozzle, the suction tube, the suction hose or the suction hose to the suction head.

Clean/replace cartridge filter. Replace paper filter bag or membrane filter.

Dust ejects when sucking

Check fit of cartridge filter. Lock the suction head.

No suction power

Empty the container.

Switch the appliance off and on

æagain after 10 seconds. Clean float system in cartridge filter.

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Karcher NT 773 I, NT 993 I manual Care and maintenance, Fault instructions

NT 993 I, NT 773 I specifications

The Karcher NT 993 I and NT 773 I are part of Karcher's renowned range of wet and dry vacuum cleaners, designed to offer exceptional performance and versatility for both professional and domestic use. These models are engineered to tackle various cleaning challenges, making them ideal for construction sites, workshops, and industrial applications.

The NT 993 I features a powerful motor that delivers high suction power, capable of efficiently picking up liquids, dust, and debris. One of its standout features is the innovative dual filter system, which ensures that both wet and dry substances can be handled without needing to change filters. This system enhances the vacuum’s efficiency and extends its service life, making it a cost-effective choice for users who require versatility and reliability.

Moreover, the NT 993 I is equipped with a robust container that boasts a generous capacity, allowing users to clean larger areas without frequent interruptions for disposal. The integrated sieve keeps larger debris separate, preventing clogs and ensuring smooth operation. This model is also designed with mobility in mind, featuring large, durable wheels and a lightweight design, making it easy to maneuver across various terrains.

On the other hand, the NT 773 I offers similar robust performance but with a slightly different set of features tailored for specific cleaning tasks. This model includes an advanced filter cleaning technology that utilizes a unique automatic filter cleaning system, which enables continuous operation without the loss of suction power. Users can easily maintain the vacuum’s performance, increasing efficiency during extended cleaning sessions.

Both models come with a range of accessories, providing flexibility to address different cleaning scenarios. These accessories include various nozzles and hoses that adapt to both tight spaces and larger areas, ensuring comprehensive coverage. Ergonomic handles and controls enhance user comfort, allowing for prolonged use without fatigue.

In conclusion, the Karcher NT 993 I and NT 773 I are strong contenders in the wet and dry vacuum cleaner category, offering a blend of power, efficiency, and user-friendly features. With their advanced technologies and durable construction, they meet the demands of both professional and casual users, making them a worthwhile investment for those seeking reliability and outstanding cleaning performance.