17
Insert two top corner tubes
(14)
into the top tube with foam
(13)
and
secure together using two self-tapping screws
(19)
.
Repeat steps
18-19 three more times to complete four total top tube
sections.
STEP 19
14
19
Top Corner
Tube
(x2)
Self-tapping
Screw
(x2)
(13)
(14)
(14)
(19)
(19)
STEP 20
Insert two upper tubes
(15)
into the corner tubes, and
secure using two self-tapping screws
(19)
. Then, insert two
lower tubes
(16)
into the upper tubes, and secure using two
self-tapping screws.
Make sure the two indented sides of
the straight tubes are faced inside as shown. Do not tighten
the screws all the way yet.
Upper
Tube
(x2)
Lower
Tube
(x2)
15
16
19
Self-tapping
Screw
(x4)
(19)
(19)
(15)
(16)
(16)
(15)
(19)
Side with indent
(19)
