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November 2008
Cylinder disassembly
Procedure:
Boom raising cylinder
Bridge crane, payload 5000 kg
Textile bridles or chains with hooks
Operation:
1 Release the attachment.
2 Anchor the attachment holding frame to the
hooks of the slinging chain.
3 Raise the boom to max. height (the hinging pin of
the cylinder rod must be over the driving cabin)
operating alternately the bridge crane and the
hydraulic boom raising control of the machine.
4 Stop raising when the slinging chains are slightly
under tension.
5 Place a container of suitable size under the
hydraulic piping before disconnecting.
PROTECT THE
ENVIRONMENT
Used oils must be handled and disposed of
according to local regulations. Address to
legally authorised centres.
6 With a 24 mm wrench, disconnect two hydraulic
hoses from the blocking valve, then plug the
disconnected connectors to prevent dust and
impurities from entering the circuit.
Document 57.0009.0427
GTH-4017EX GTH-4514EX GTH-4013 EX
001
Table:
GTH-4017EX
GTH-4514EX
GTH-4013EX
Standard tools
Adjustable stands
2
6
Section 7 - Repair Procedures
TABLE
76
Hours Min.
2
001
30
1
5
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