4 - 1
Removal
It is assumed that the dipper has been removed as
described on page B/3 - 1.
!!
WARNING
Hydraulic Pressure
Hydraulic fluid at system pressure can injure you. Before
disconnecting or connecting hydraulic hoses or
couplings, vent the pressure trapped in the hoses in
accordance with the instructions given in this
publication.
HYD 1-5
Disconnect and plug the auxiliary hoses, marking the hoses
to ensure correct reconnection (see page E/2 - 1).
Disconnect and plug the feed and return hoses A (6 off),
marking the hoses to ensure correct reconnection.
Remove the bolt retaining the boom ram eye end pivot pin B.
Supporting the ram, drift out the boom ram eye end pivot pin.
!!
WARNING
Lifting Equipment
You can be injured if you use faulty lifting equipment.
Make sure that lifting equipment is in good condition.
Make sure that lifting tackle complies with all local
regulations and is suitable for the job. Make sure that
lifting equipment is strong enough for the job.
INT-1-3-7
Remove the bolt retaining the boom pivot pin C. Supporting
the weight of the boom, drift out the pivot pin. The boom
can now be manoeuvered from the machine using the lifting
equipment. Place the boom on a clean dry surface.
Replacement
Replacement is a reversal of the removal procedure. Grease
all pins and securing bolts with JCB Special MPL grease.
Reconnect all hoses and bleed the hydraulic system.
Section B Body and Framework
9803/8550
Section B
4 - 1
Issue 2*
Boom
204260
205460
A
C
B
*
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