April 2021
Service and Repair Manual
Boom Components
Part No. 1288652GT
S
®
-60/65 XC
™
• S
®
-60/65
HF • S
®
-60/65 TraX
™
51
16 Attach lifting straps from a 5 ton / 5000 kg
overhead crane to each end of the boom.
Support the boom. Do not apply any lifting
pressure.
17 Support and secure the rod end of the boom
lift cylinder to a second overhead crane or
similar lifting device.
18 Remove the lift cylinder rod-end pivot pin
retaining fasteners. Use a soft metal drift to
remove the pin.
Crushing hazard. The boom
could fall if not properly
supported when the lift cylinder
rod-end pivot pin is removed.
19 Using auxiliary power, activate the boom
down function so the cylinder will retract.
Retract the cylinder just enough until the rod
end of the cylinder will clear the mounting
bracket on the boom. Turn the machine off.
Crushing hazard. The boom lift
cylinder could fall if not properly
supported and secured to the
lifting device.
20 Using the overhead crane, carefully lower the
boom lift cylinder and allow it to rest on the
boom rest pad. Protect the cylinder rod from
damage.
21 Remove the boom end cover retaining
fasteners and remove the cover.
22 Tag, disconnect and plug the boom extension
cylinder hydraulic hoses. Cap the fittings on
the cylinder.
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.
23 Tag and disconnect the electrical connector
for the cable break limit switch.
24 Tag and disconnect all boom wire harness
electrical connectors located at the pivot end
of the boom.
25 Support the platform leveling master cylinder.
Remove the master cylinder rod-end pivot pin
retaining fasteners. Place a rod through the
pin and twist to remove. Carefully lower the
master cylinder down.
26 Tag, disconnect and plug the hydraulic hoses
from the bulkhead fittings at the pivot end of
the boom. Cap the bulkhead fittings.
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.
27 Remove the external snap rings from both
boom pivot pins at the short and long link
arms. Do not remove the pins.
28 Using the overhead crane, adjust the boom as
necessary to relieve pressure from the pivot
pins.
29 Use a soft metal drift to remove each boom
pivot pin. Carefully remove the boom
assembly from the machine and place it on a
structure capable of supporting it.
Crushing hazard. The boom
could fall if not properly
supported by the overhead crane
when each boom pivot pin is
removed.
Crushing hazard. The long and
short link arms may fall if not
properly supported when the
boom pivot pins are removed.
Содержание Genie S-60 HF
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