WARNING! When servicing, use only identical replacement parts. Use of any other parts
may create a hazard or cause product damage.
WARNING! To avoid serious personal injury, always remove the battery pack from the
tool when cleaning or performing any maintenance.
GENERAL MAINTENANCE
Avoid using solvents when cleaning plastic parts. Most plastics are susceptible to damage from
various types of commercial solvents and may be damaged by their use. Use clean cloth to
remove dirt, dust, oil, grease, etc.
WARNING! Do not at any time let brake fluids, gasoline, petroleum-based products,
penetrating oils, etc., come in contact with plastic parts. Chemicals can damage, weaken
or destroy plastic which may result in serious personal injury.
1. Keep the power source clean and clear of debris. Do not allow foreign material into the
recessed cavity or on the contacts. Wipe with a dry cloth. Do not use solvents, water, or place in
wet conditions.
2. Always remove the battery pack when not using, after charging or before storing the battery
USB power source.
3. Keep the USB power source stored in normal room temperature. Do not store it in excessive
heat. Do not use in direct sunlight.
Problem
USB power source will not
operate.
For a replacement USB Power Source (Model No. AA20USB), please visit vacmaster.com or
call Customer Service at 1-866-384-8432.
MAINTENANCE
TROUBLESHOOTING
Possible Cause
Battery has no capacity.
Battery not inserted properly.
Wrong battery being used.
Charge the battery.
Insert battery pack correctly.
Be sure to use only the battery
supplied with your product.
6
Solution