Carefully slide the Trimmer onto the channels on the right side of the Board, making sure that the T-Nuts slide into the channel of both the upper and lower rails. Move the Straight Line Trimmer to the left until it stops.
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Slowly tighten the bottom locking knob COUNTER-CLOCKWISE until it is snug.
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Slowly tighten the top locking knob CLOCKWISE until it is snug.
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Plug in the Blue Connector Air Line from the ST 500 into the Blue shut off valve on the “Y” Connector.
Turn on the Blue shut off valve on the “Y” connector to turn on the air.
