Flex FX1471 Operator's Manual page 15

TO LOOSEN NUTS AND BOLTS
Use either mode 1, 2, 3 or "A" mode to loosen
nuts and bolts depending on the application.
When working above ground or working on car
tires, to prevent the loosened fasteners from
falling to the ground or into a tight space, it is
recommended to use the "A" mode to do this
job.
a. Set the direction-of-rotation to reverse setting.
b. Hold the tool firmly and place the socket over
the bolt or nut. Ensure that full length of the
bolt head or nut is fully engaged into socket.
c. Depress the variable-speed trigger switch to
turn the impact wrench on. Once the fastener
is loose, the tool will stop running. This tool
also allows you to continue to depress the
trigger switch for removing the nut from the
long bolt, if necessary.
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