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

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Page 71 45-J Desel - Servce & Parts Manual
January 2022 Secton 18 - Mechancal Components
Jib Cylinder
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������
The Jib Cylinder is located within the Jib linkage assembly. Its purpose is to move the Jib up and
down relative to the position of the Boom tip.
Disassembly
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.
Lower the boom to the stowed position, so that the
boom rests on the turntable.
Using the Jib Lift function, raise the jib high enough to
position a pallet on the ground beneath the platform.
Lower the platform onto the pallet, then strap the
platform to the pallet.
Disconnect all hydraulic hoses. Immediately plug and
cap all openings to prevent contamination.
Remove bolt and pin retainer for the lower pin at the
Platform Rotator lower pivot point.
On the pin retainer side, pull the pin out just far enough to
release the bottom of the further lower jib link and the jib
roller.
Swing the lower jib link out of the way as shown.
1.
2.
3.
4.
5.
6.
ART_4909
IMPORTANT! Leave the pin holding the nearer lower jib link in place. DO NOT pull the pin all the
way out.