UPM 15X Manual

Page 9 of 12
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Before proceeding, tighten 5/8”
bolts at the end plates of center
tube. Place 2 aluminum channels
or angle on top of the longitudinals.
Loosely attach 4 square u-bolts in
holes provided at the bottom of the
channels, or brackets for angles.
Loosely place 2 PV panels on rail
and attach to establish rail spacing.
Center rails on longitudinals by equally measuring side to side to longitudinal ends.
Then place the rest of the panels on the rails. NOTE: Leave the bolts on the PV
panels screwed together but loose for now.
Repeat rail attachment procedure on left and right until all remaining panels are
installed. When all panels and spaces are square and even to one another, tighten
stainless steel panel bolts and all u-bolt nuts.