Genie Industries Z-30/20, Руководство по обслуживанию

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7 - 18 Genie Z-30/20 Part No. 43063
Service Manual - Third Edition Section 7 - Repair Procedures
10 Remove the pin retaining fasteners from the
barrel-end pivot pin on the primary boom
cylinder. Then use a soft metal drift to remove
the pin.
11 Remove the primary boom lift cylinder from the
machine.
Crushing hazard. The primary
boom lift cylinder will fall when it is
removed from the machine unless
it is properly supported.
12 Remove the hose clamps from the turntable
pivot above the ground controls.
13 Mark the location of the secondary boom limit
switch and then remove the limit switch
fasteners.
14 Pull all the hoses, cables and limit switches out
of the mid-pivot and through the secondary
boom and lay them off to the side.
Component damage hazard.
Cables and hoses can be
damaged if they are kinked or
pinched.
15 Support the mid-pivot with a lifting strap from
an overhead crane.
16 Remove the pin retaining fasteners from the
secondary boom pivot pin and the tension link
pivot pin at the mid-pivot. Do not remove the
pins.
17 Support the tension link with a lifting device.
18 Use a soft metal drift to remove the tension link
pivot pin at the mid-pivot.
Crushing hazard. The tension link
will fall when the tension link pivot
pin is removed from the mid-pivot
if it is not properly supported.
19 Lower the tension link and rest it on the
chassis.
20 Use a soft metal drift to remove the secondary
boom pivot pin at the mid-pivot.
SECONDARY BOOM COMPONENTS
1 Lower the boom to the stowed position.
2 Remove the platform. See 2-1, How to Remove
the Platform.
3 Remove the primary boom. See 3-2, How to
Remove the Primary Boom.
4 Tag, disconnect and plug the primary boom lift
cylinder and master cylinder hydraulic hoses.
Cap the fittings on the cylinders.
Bodily injury hazard. Spraying
hydraulic oil can penetrate and
burn skin. Loosen hydraulic
connections very slowly to allow
the oil pressure to dissipate
gradually. Do not allow oil to squirt
or spray.
5 Remove the two hose clamps on the mid-pivot
and pull all the cables and hoses through the
mid-pivot.
Component damage hazard.
Cables and hoses can be
damaged if they are kinked or
pinched.
6 Mark the location of the primary boom limit
switch and then remove the limit switch
fasteners.
7 Remove the pin retaining fastener from the rod-
end pivot pin on the master cylinder.
8 Place a rod through the rod-end pivot pin and
twist to remove the pin.
9 Support the barrel end of the primary lift
cylinder with a lifting strap from an overhead
crane to support it when the barrel-end pivot
pin is removed.