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• Inspect the Piston Rod and remove or polish out any burrs or score marks. Deep
scoremarkstoPistonRodsmaybetemporarilylledwithanepoxyputtyproviding
that it is properly applied.
• Remove the Wiper Seal, Item 4.11, from the Ring Nut. Examine the Ring Nut for
burrsandscoremarks.Ifallseemssatisfactory,tanewWiperSealandslidethe
Ring Nut back onto the Piston Rod.
• Remove the O-ring, and Single Acting Seal, Items 4.7 and 4.9 from the Gland,
Item 4.8. Examine the Gland for burrs and score marks. If all seems satisfactory,
t a new O-ring and SingleActing Seal, ensuring that the SingleActing Seal is
orientated correctly. Then slide the Gland back onto the Piston Rod.
• Remove the Piston Seal and O-ring, Items 4.4 and 4.5 from the Front and Rear
Piston Halves, Items 4.6 and 4.3. Examine the Piston halves for burrs and score
marks.Ifallseemssatisfactory,slidetheFrontPistonHalfontothePistonRod,t
a new O-ring and new Piston Seal.
• Screw the Rear Piston Half onto the Piston Rod. Ensure that the rear holes line up
exactly,thenrettheGrubScrew.EnsuretheGrubScrewdoesnotprotrudefrom
the end of the Piston Rod, rectify is this is the case.
• Wipe out the Ram Cylinder and ensure that the Cylinder bore is free from any score
marks. If this is not the case, it will be necessary to polish out any light score marks.
Deep score marks to Cylinder bore cannot be adequately repaired - replace the
Cylinder. When all seems satisfactory, smear the Cylinder bore with Hydraulic Oil
andretthePistonRodassemblyintotheRamCylinder.
• Tighten the Ring Nut.
• Examine the Cylinder clevis and the Piston Rod clevis bores for burrs or any defects.
TesttheboreswiththeappropriatePivotPinspriortorettingtheHydraulicRam
to the Shear.
• RettheHydraulicRamtotheShearbyfollowingtheinstructionsinSection6.7.1,
Page 38, in reverse, ensuring all Hoses and Fasteners are secure.
• AfterrettingtheHydraulicRamtotheShear,checktheuidlevelintheHydraulic
Tankaftertherstcycle.IfnecessarytopupwithcleanHydraulicFluid.
Only use genuine JMC Recycling Systems Ltd approved
seals and parts. Use of non approved parts may invalidate the
warranty.