1/13/2005
7
Boom Assembly
Note:
Thermoplastic and UHMW spacers are
used in the telescopic boom assembly. Their
purpose is to provide a smooth bearing surface
and to take up the play between the tubular
sections of the Boom. Pay close attention to how
the Small Boom Tube is inserted into the Large
Boom Tube, i.e. the Small Boom Tube can only
be inserted and extended one way.
6.
The telescopic Boom is shipped with the
Small Boom Tube (#13) inserted into the Large
Boom Tube (#12). A ¼-20 x
Ǫ
” Button Head
Bolt (#21) and Nut (#22) are installed on the
underside the outboard end of the Small Boom
Tube.
7.
There are two
Ǫ
” holes 6” apart, in the Large
Boom Tube for attaching the Boom Saddle (#9).
Push the Small Boom Tube out through the Large
Boom Tube to gain access to these two
Ǫ
” bolt
holes from inside the Large Boom Tube
8.
With the threaded hole in the tubular section
of the Boom Saddle (#9) facing in the direction
of the Small Boom Tube, use two ¼-20 x
Ǫ
”
Button Head Bolts (#21) and ¼-20 Lock-nuts
(#22), to firmly attach the Boom Saddle to the
Large Boom Tube.
9.
Place the tubular section of the Boom Saddle
(#9), over the top end of the Mast assembly.
10.
Use a Locking Knob (#3) to secure the Boom
Saddle to the Mast.
11. N/A
