Section B - Body & Framework
B-7 B-7
9803/9340-8
Boom
Removal and Replacement
Removal
It is assumed that the dipper has been removed
K Dipper ( T B-5).
!M
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 (if fitted), marking
the hoses to ensure correct reconnection. Disconnect and
plug the boom ram feed and return hoses, marking the
hoses to ensure correct reconnection.
Remove the circlip retaining the boom ram eye end pivot
pin A. While supporting the ram, drift out the boom ram eye
end pivot pin.
!MWARNING
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 B. While
supporting the weight of the boom, drift out the pivot pin.
The boom can now be manoeuvred 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 then
707781-1
Fig 1.
ß
Þ
To Next Page
Loading...
