SECTION 5 - MAST COMPONENTS
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5-17
5.
Carefully slide mast section-5 out the BOTTOM of mast
section-4 rails. Disassemble slide pads, shims and chain
anchor plate from mast section-5, if necessary.
Mast Section-4 - Disassembly
6.
Remove chain adjust nuts from threaded ends of chains
attached to the chain anchor plate (lower) on BOTTOM
end of mast section-4. Push threaded ends of chains
through anchor plate.
7.
At TOP of mast section-4, pull chains out and allow to
hang loose.
(Be certain floor surface is clean and free of
any metal chips or debris which may stick to lubricated
chains).
8.
Slide mast section-4 out the TOP of mast section-3 far
enough to allow access to the chain sheave wheel
assembly.
9.
Remove countersunk-flathead screws securing chain
sheave wheel assembly attach bars on both side rails at
TOP of mast section-4 and remove sheave wheel assem
-
bly.
NOTE:
When sliding mast sections apart, be careful not to scratch
or score the anodized finish in the slide pad channels.
10.
Carefully slide mast section-4 out BOTTOM of section-3.
Remove slide pads, shims and cable anchor plate, if nec
-
essary.
Mast Section-3 - Disassembly
11.
Remove chain adjust nuts from threaded ends of chain
attached to the chain anchor plate on BOTTOM end of
mast section-3. Push threaded ends of chain through
the anchor plate.
12.
At TOP of mast section-3, pull chains out and allow to
hang loose,
(be certain floor surface is clean and free of
any metal chips or debris which may stick to lubricated
chains)
.
13.
Slide mast section-3 out TOP of mast section-2 far
enough to allow access to the chain sheave wheel
assembly.
14.
Remove countersunk-flathead screws securing chain
sheave wheel assembly attach bars on both side rails at
TOP of mast section-3 and remove the sheave wheel
assembly.
15.
While mast section-3 is still extended from section-2
remove the pin attaching the chain anchor plate to the
TOP of mast section-3. Remove chains.
NOTE:
When sliding mast sections apart, be careful not to scratch
or score the anodized finish in the slide pad channels.
16.
Carefully slide mast section-3 out BOTTOM of section-2.
Remove slide pads, and shims, if necessary.
Mast Section-2 - Disassembly
17.
Slide mast section-2 out TOP of mast section-1 far
enough to allow access to the chain assembly anchor
block/sheave wheel assembly.
18.
Remove countersunk-flathead screws securing chain
anchor block/sheave wheel assembly attach bars on
both side rails at TOP of mast section-2.
19.
Slide the chain anchor block/sheave wheel assembly
and hydraulic cylinder out the TOP of mast section-2 far
enough to allow removal of the sheave wheel attach
bars, sheave wheels and sheave pin from chain assem
-
bly anchor block.
20.
Remove the setscrew holding the hydraulic cylinder rod
onto the chain assembly anchor block. Lay chain assem
-
bly/anchor block to side.
21.
Remove the hydraulic cylinder through BOTTOM of
mast section-2, be careful not to nick or score cylinder
rod surface while removing.
NOTE:
When sliding mast sections apart, be careful not to scratch
or score the anodized finish in the slide pad channels.
22.
Carefully slide mast section-2 out BOTTOM of section-1.
Remove slide pads and shims, if necessary.
Mast Section-1 - Disassembly
23.
Slide the TOP of remaining mast section-1 out over edge
of work surface and remove the pins attaching the chain
anchor block to mast section-1. Remove chain/anchor
block assemblies from mast and lay aside.
24.
Remove slide pads and shims from mast section-1.
Mast disassembly should now be complete.
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