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November 2008
Cylinder disassembly
Procedure:
Attachment rotation cylinder
Bridge crane, payload 500 kg
Textile bridles or chains with hooks
Operation:
1 Remove the attachment
2 Remove the screw fixing the pin (rod side) with
two 17 mm wrenches
3 Knock out and extract the pin using a plug of
soft material (aluminium, copper, wood, etc.)
4 Open entirely the cylinder by the hydraulic drive
and then stop the machine
5 Place a container of suitable size under the
hydraulic piping before disconnecting the
same
6 Using a 24mm wrench and a 27mm wrenchm
disconnect the two hydraulic hoses from the
blocking valve, then plug the disconnected
connectors to prevent dust and impurities from
entering the circuit.
PROTECT THE
ENVIRONMENT
Used oils must be handled and disposed of
according to local regulations. Address to
legally authorised centres.
7 Place a wooden plug under the cylinder rod, then
lower the boom using the hydraulic controls as
far as the rod rests on the wooden plug
Document 57.0009.0427
GTH-4017EX GTH-4514EX GTH-4013 EX
015
Table:
GTH-4017EX
GTH-4514EX
GTH-4013EX
Standard tools
Adjustable stands
2
3
6
Section 7 - Repair Procedures
TABLE
36
Hours Min.
2
015
00
1
45
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