User`s manual

6
OPERATION
Use of Duct:
1. Operate the blower upwind from the work location and with the air inlet facing into the
relative wind to maximize air flow.
2. The Allegro flexible ducts are for use with Allegro blowers.
a.
All are of the collapsible, reinforced design.
b.
Each duct is supplied with a nylon strap to secure each end to the blower and or a
duct connector.
c.
When using statically conductive ducting, the integrated grounding wire must be
properly:
i.
Grounded to the blower chassis.
ii.
Linked to any additional grounding wire or duct used.
3. It is recommended the total length of duct does not exceed 100 feet.
4. To join two sections of duct, use a duct-to-duct connector.
5. Pull duct sleeve over the outlet port at least six (6) inches and secure the duct to the
blower with the nylon clamping strap and tighten securely.
6. For exhaust (air blowing) operations, connect the duct to the blower outlet.
a.
The duct can be one of two types:
i.
Collapsible, non-reinforced.
ii.
Collapsible, flexible, reinforced.
DANGER!
Before using the blower, check all applicable federal, state, industry and local
regulations regarding the use of flame resistant and/or self extinguishing duct
materials for the intended job applications. It is the responsibility of the owner(s)
and/or operator(s) to determine that the duct material in use for the job application
meets all applicable fire code and OSHA requirements
DANGER!
Never enter a manhole or confined work area, until it has been determined to be safe
for entry and tested with appropriate gas detection equipment and ventilated for a
minimum of five (5) minutes with the blower at maximum speed.
DANGER!
Always stop the motor and disconnect the power source to prevent accidental
starting and/or the possibility of receiving an electrical shock.