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h16tp(x - AJ Maskin AS

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Sheet C129CORRECTIVE MAINTENANCE SHEETDISMANTLING / RE-<strong>AS</strong>SEMBLING THE BOOMFolio 3/6Photo 6• Put wedges under these two elements and remove the screws and washers(ref. 18 and 19 Figure 2).• Remove the assembly, taking care not to trap the hoses or electric wires. Itis possible to fasten them together using Colson collars.• Remove the chain roller (ref. 27 Figure 2).5 - Re-assemblyPerform the dismantling operations in reverse order.6 - Some advice for re-assemblyCaution!Replacement of safety partsmust be validated by statictests.CE = 1.25 x nominalUSA = 1.5 x nominal• Change all pins and rings showing signs of wear. Lubricate them when reassembling.• Take care to install all pin stop systems properly.• Replace worn friction pads.- CAUTION: when replacing a telescope or boom drum, it may benecessary to wedge the rear side pads to reduce clearance. (Max.clearance 3 mm). Front pads are adjusted using the pad holder screws.• Lubricate the telescope.• Purge the compensation and telescope cylinder and then top up the hydraulicoil.7 - Additional operations• Put the machine back in the operational configuration.• Remove the slings.• Extend the machine several times to test operation and purge the hydrauliccircuit.• Check the level of the hydraulic circuit.

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