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GENERAL POWER UNIT MAINTENANCE
The simple care and maintenance instructions included here will help
ensure trouble-free use of your central vacuum system.
• Do not place objects on top of the power unit. The motor could overheat.
• Do not allow the motor to remain ON unless a hose is connected or an
inlet valve is open. If airflow is not permitted to flow through fan blades,
motor damage could occur.
• Do not operate without the filter in place (models 299e, 599e, 799e,
1099e, 390, 690, 990, 1490, CV1800, CV2200, CV2600 & CV3400). Change
the filter at least once per year.
• Do not operate without a disposable bag in place in models DB3000,
DB5000, DB7000, DB8000 & DB9000. Use disposable bag PN 9637 in
model DB3000 and PN 9520 in models DB5000, DB7000, DB8000 &
DB9000.
• Empty the dirt canister/bag when it is 2/3 full.
• The power unit does not require any lubrication.
• The exterior of the power unit can be wiped with a clean, dry cloth. Do
not use liquid cleaners or water as an electrical shock may occur.
• For additional service contact the qualified servicing dealer written on
the front of this manual or locate an authorized dealer online at
www.dirtdevilcentral.com.
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