Mec 45-J Diesel, Руководство по обслуживанию и запасным частям

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Page 81 45-J Desel - Servce & Parts Manual
January 2022 Secton 18 - Mechancal Components
Main Boom Assembly
THIS PROCESS REQUIRES SPECIFIC REPAIR SKILLS AND
EXPERIENCE, APPROPRIATE LIFTING EQUIPMENT AND A PROPER
WORKPLACE������ DEATH, SERIOUS INJURY OR SIGNIFICANT MACHINE
DAMAGE COULD OCCUR IF YOU ATTEMPT THIS PROCESS WITHOUT
THE APPROPRIATE SKILLS AND EQUIPMENT������
Disassembly
ART_4958
End
Section
Base
Section
Main Boom Sections
Park the machine on a firm level surface.
Thoroughly clean all hydraulic connections and tag
all hoses for proper reassembly before disconnecting
them. Immediately plug and cap all openings to prevent
contamination. Tag electrical connections before
disconnecting them.
Remove the Platform/Jib Assembly and Platform Level
Cylinder as described on page 74.
Remove the Boom Extend Cylinder as described on
page 76.
Remove the Main Boom Assembly as described in
steps 1 through 12 of the Boom Lift Cylinder/Boom
Linkage disassembly procedure on page 78. Set the
Main Boom Assembly on stands for further disassembly.
Remove the cable track and associated machine parts
from the boom. Lay all cable and hoses out of the way
to avoid damage.
Slide the End Section of the boom out approximately
6 feet (2 m). Position an overhead hoist over the End
Section and attach a sling. 1.
2.
3.
4.
5.
6.
7.
ART_4959