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SECTION 5 - MAST COMPONENTS
5-22
31215825
Mast Section 3 - Assembly
NOTE:
When sliding mast sections together, be careful not to
scratch or score the anodized finish in the slide pad chan
-
nels.
24.
Carefully slide mast section-3 into section-2 until ends
are even.
25.
Insert slide pads into the top end mast rails between
section-2 and -3,
(one on each side of the mast)
, with bev
-
eled surface facing inward towards section-3.
NOTE:
Before fastening and shimming the slide pad on the top
left side of the mast, install a sequence cable bracket
against the mast under the flatwasher.
26.
Thread slide pad attaching bolts, two (2) 1/4”-20UNC x
3/8" long hex head bolts, place a flat washer under head
of each bolt, through holes in outside rail, on top of mast
section-2 and into the slide pad inserts. Thread in
enough to hold pad in place.
27.
Shim per instructions in step 7, Mast Section 2 - Assem
-
bly.
28.
Insert slide pads into the bottom end mast rails between
section-2 and -3,
(one on each side of the mast)
, with bev
-
eled surface facing out towards section-2.
(Same as Fig
29.
Thread slide pad attaching bolts, two (2) 1/4”-20UNC x
3/8” long hex head bolts, place a flat washer under head
of each bolt, through holes on inside rail, on bottom end
of mast section-3 and into the slide pad inserts. Thread
in enough to hold pad in place.
30.
Shim per instructions in step 7, Mast Section 2 - Assem
-
bly.
31.
Slide section-3 out the bottom of section-2 approxi
-
mately one (1) foot.
32.
Locate one (1) of the chain
(bottom)
anchor brackets
(one with threaded holes horizontally aligned to outside of
bracket)
. Attach using outer set of holes in bottom of
mast section-3 with two (2) 1/4”-20UNC x 3/4” long
bolts, place a flatwasher under head of each bolt.
33.
Slide section-3 out the top of section-2 approximately
one (1) foot.
34.
Locate the remaining narrow chain set
(#444)
and attach
them to the remaining triangular shaped anchor plate
using the attach pins, flat washers and cotter keys.
35.
Install the chain/anchor plate assembly into the top of
mast section-3, using the remaining large pin and pin
keeper. Allow to hang out the top of mast section-3 for
later assembly.
Figure 5-22. Mast Section 3 - Chain Anchor Bracket
(Bottom of Mast)
1.
Chain Anchor Bracket
3.
Anchor Bolts/Washers (a)
2.
Mast Section 3
Note
:
(a) Apply Medium Strength Threadlocking Compound
to threads.
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