SECTION 5 - MAST COMPONENTS
5-10
31215825
4.
At the base end, remove and cap the extend and return
hydraulic lines.
5.
Remove the mini covers from the tops of the mast sec
-
tions.
6.
Manually extend the mast assembly until the top of
mast section-2 is extended approximately one (1) foot
(31cm), to allow access to the sheave wheel-anchor
block at the top of mast section-2 and the lift cylinder.
7.
Remove the adjust and lock nuts from the chain studs at
the bottom of mast section-3.
8.
Push mast sections-3, 4 and 5 back towards the base
assembly allowing the top of mast section-2 to be com
-
pletely exposed.
Figure 5-4. Hydraulic Extend and Return Lines
1.
Cylinder Return Line
3.
Manual Descent Valve
2.
Cylinder Extend Line
Figure 5-5. Extending Mast Sections
1.
Mast Section-2
2.
1 ft. (31cm) Extended
1
2
Figure 5-6. Chain Assembly - Bottom of Mast Section-3
1.
Mast Section-4
4.
Adjust Nut
2.
Mast Section-3
5.
Lock Nut (b)
3.
Chain Assembly Stud (a)
NOTE:
(a) Remove nuts and push studs through anchor plate.
Figure 5-7. Exposing Top of Mast Section-2
1.
Sections-3, 4 and 5 Pushed Back
2.
Top of Mast Section-2 Exposed
1
2
3
4
5
2
1
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