JLG DVSP Series Service Manual - Manual (Page 111)

SECTION 5 - MAST COMPONENTS
3121136 – JLG Lift – 5-23
4. Slide mast section-5 out even with top of section-4.
5. Insert threaded ends of chain assembly (attached to
top of mast section-3) into the opening between
mast section-4 and mast section-5. Slide the
threaded ends through the holes in bottom chain
anchor plate located on bottom of mast section-5.
Loosely thread two (2) 3/8"-16UNC nuts onto stud
threads on each chain. Chains will be adjusted later
in assembly.
6. Slide mast section-5 back into mast section-4 until
bottom ends of masts are even. Check to make sure
chain set attached to top of section-3 is seating
properly in cable sheave wheels attached to top of
mast section-4. (Mast section-3 may need to be
restrained to keep it’s slide pads from pushing out
the bottom of mast sections-2).
7. At bottom of mast assembly, thread all chain adjust-
ing nuts on threaded ends until they are snug
against the bottom anchor plates and all slack is
removed from chains. Check that chains are seated
in their sheave wheels at top of mast assembly.
8. Do not assemble the mini covers to the top of mast
sections until the mast chains have been adjusted
properly.
9. Attach the lanyard attach assembly to the side of
mast section 5.
10. Attach the sequencing cables and hardware to the
sides of the mast assembly.
11. Install the mast chain guard to the top mast section
5.
The mast assembly is now ready to install on the
machines base frame.
Lanyard Attach Installation
Sequence Cable Bracket Installation)
(Bottom End)