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DEMOLITION DIGGING BOOM INSTALLATION AND REMOVAL
Take care to ensure all equipment is kept clean.
6. Operate the arm cylinder and boom raise so that the bore in the arm cylinder top matches the bore in the arm
end. Check that the bores and pins are in good condition, cleaned and freshly greased before refitting.
7. Insert the arm cylinder pin (from left to right), to make the connection between the arm cylinder and the arm.
Apply shims to ensure that the dig boom and the arm are a correct fit (a maximum of 0.5 mm tolerance is
allowed). Shims should be fitted to the right hand end of the pin.
8. Lock pin in place with plate (left side of work equipment).
Before reconnecting each hose check that there are no foreign particles in the hydraulic lines and that all
connections are clean.
9. Remove plugs from the hydraulic lines and reconnect.
Take care to reconnect the hydraulic lines in the correct order. Improper operation of the machine will
occur if hoses are connected incorrectly.
10. Reconnect the grease lines.
11. Purge the hydraulic circuits of air by following the steps in PURGING AIR PROCEDURES (7-41)
MEDIUM REACH
When in medium reach configuration(boom 2 removed).
q When the second boom is removed the attachment can
hit the operator cab or chassis.
q Operate work equipment slowly and carefully to avoid
any injury and damage.
7-40
DANGER
WARNING
HIGH REACH DEMOLITION EQUIP-
CAUTION
WARNING
7
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