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Page 52
Review
figure 8.21
. Insert four of the 5/16” x 4-1/2” hex head bolts (PN 60-0115) so the threads of
the bolts are on the boom side of the mast plate as shown in
figure 8.22
. Insert the first half of the 1-
3/4” aluminum saddle (PN 10-1601-03) as shown in
figure 8.23
. Position the truss support mast (PN
10-1614-41) so that it is resting on the aluminum saddle, then slide the other half of the saddle onto
the hex head bolts. Thread on the 5/16” Nylock nuts (PN 60-0046) for the left side of the saddles
(when facing the boom), as shown in
figure 8.24
. The hex head bolts on the left side of the saddles
(circled in yellow) are used to install the connector junction box. .
Install the connector junction box on the saddles so that the lid of the junction box opens from the bot-
tom as shown in
figure 8.25
. Note that there are more details on the connector junction box installa-
tion in
Chapter Eleven
. Holding the connector junction box in place, insert the 5/16” Nylock nuts onto
the hex head bolts and tighten, but leave loose enough so you can align the truss support mast in the
next step.
CHAPTER EIGHT
SECTION 8.2
MAST PLATE AND DOUBLE TRUSS (continued)
ATTACH THE TRUSS MAST
Key
QTY
Part #
Description
A
1
10-1618-41
48” Boom truss support mast
B
4
60-0115
5/16” x 4-1/2” Hex head bolt
C
4
10-1601-03
1-3/4” Aluminum saddle half
D
4
10-1613-11
1/4” aluminum spacer
E
4
60-0046
5/16” Nylock nut
FIG. 8.21
A
B
D
B
B
B
D
D
D
C
C
E
C
C
E
E
E
FIG. 8.24
FIG. 8.25
FIG. 8.23
FIG. 8.22
