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Refraction
Allow the blower to operate for at least 10 minutes before aligning the next
pipe.
•
Connect the blower to a power source, normally a 12-volt battery.
•
Position the blower. Make sure that the air intake for the blower is not blocked.
If possible, position the blower so the temperature of the air it draws in is
approximately the same as the air inside the pipe.
•
Determine whether to attach the nozzle to the end of the blower. If the pipe is
less than or equal to 250 mm (10 inch), use the nozzle. If the pipe is greater than
250 mm (10 inch), you do not need to use the nozzle.
•
Use clamps to attach the blower hose at the beginning of the pipe where the
laser is located. Position the end of the hose at a 60° angle to force the air to
swirl as it travels through the pipe.
•
Apply power to the blower and let it operate.
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