
POSITIVE PRESSURE VENTILATOR
6V20-BD PPV User Guide Revised 11-2022
6. Charging the Battery Packs
Remove both DeWalt FlexVolt batteries from fan.
Insert in DeWalt Charger. Use only DeWalt brand battery chargers.
Using DeWalt AC Fast Charger, batteries will recharge in 60-120 minutes,
depending on Amp-Hour rating.
Other DeWalt chargers, including units that work with vehicle DC power,
may take longer to fully charge the batteries.
• Do not store battery packs or chargers
above 120ºF (50ºC) or in direct sunlight
• Never use/charge chargers or batteries
in explosive atmospheres.
• Never attempt to open the battery pack.
If cracked or damaged, return it to a
service center for recycling.
• Do not splash or immerse charger in
water or other liquids.
Maintenance should only be performed by experienced and trained personnel.
If
you
have
any
questions,
contact
Super
V
ac
before
attempting
any
maintenance
at
[email protected] or
1-800-525-5224.
7. Maintenance and Repair
Daily/After Each Use:
• Charge batteries completely
• Check that Guards are undamaged
and effectively prevent objects from
contacting the blade
• Wheels and feet are in place and tight
• Tilt Mechanism works properly
• If tilt adjust is too loose, tighten
knurled nut on the Tilt Mechanism.
• For larger adjustments, tighten nut
with 9/16” (14mm) wrench.
Weekly/Monthly/Quarterly:
• Calibrate Battery
• Fully charging, then fully discharging,
and fully charging once again before
storage
• Replace battery (-ies) if battery
shows signs of damage from
dropping or excessive heat
• Check for loose fasteners
• Check condition of the power cord (if
purchased with Shore Power) (14mm)
wrench.
Yearly:
• Battery Condition
• Check runtime in low wind and
average temperature conditions
•If runtime is below 75% of advertised
runtime, replacing batteries is
recommended
• Excessive vibration
• Blade imbalance due to
accumulation of dirt on blade
• Check Blade interference
• Remove front guard and rotate
manually to check for interference
To-Do Checklists: