7-143
ARM ASSEMBLY
Removal
Loosen the breather slowly to release the
pressure inside the hydraulic tank.
Escaping fluid under pressure can
penetrated the skin causing serious
injury.
Remove bucket assembly.
For details, see removal of bucket
assembly.
Disconnect bucket cylinder hose(4).
Fit blind plugs(5) in the piping at the
chassis end securely to prevent oil from
spurting out when the engine is started.
Sling arm cylinder assembly, remove
spring, pin stopper and pull out pin.
Tie the rod with wire to prevent it from
coming out.
For details, see removal of arm cylinder
assembly.
Place a wooden block under the cylinder
and bring the cylinder down to it.
Remove bolt(1) and pull out the pin(2)
then remove the arm assembly.
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Weight : 80kg(180lb)
When lifting the arm assembly, always lift
the center of gravity.
1,2
(1)
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Θ
Ι
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Κ
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2
2
)
Install
Carry out installation in the reverse order
to removal.
When lifting the arm assembly, always lift
the center of gravity.
Bleed the air from the cylinder.
(2)
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R5577AT06
R35Z77AT04
R5577AT07