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65-J Desel - Servce & Parts Manual
February 2021
Secton 10 - Hydraulc System
General Cylinder Repair
WHEN REMOVING ANY HYDRAULIC CYLINDER, ENSURE THAT
THE COMPONENTS IT SUPPORTS ARE THEMSELVES SECURELY
SUPPORTED PRIOR TO BEGINNING ANY REMOVAL������
CYLINDERS ARE HEAVY������ SUPPORT CYLINDERS BEFORE REMOVING
HARDWARE THAT SECURES THE CYLINDER TO THE MACHINE������
ART_2040
Pressure
and
Return
Piston
Seals
Seals
Rod
Seals
Typical Dual Acting Cylinder
Barrel
Head
Piston Securing Nut
Rod
Head
Seals
Seals
Piston
Vent to Tank
Return to Tank
Barrel
Pressure
Piston Securing Nut
Typical Single Acting Cylinder
Removal
Note:
Refer to Section 18 - Mechanical Components for Remove and Replace instructions, and the
Parts Manual for a list of hardware specific to the cylinder being repaired.
Tag hoses for proper reassembly.
Disconnect hoses and IMMEDIATELY cap the openings to prevent contamination.
Remove cylinder from the machine as described in Section 18 - Mechanical Components.
Preparation
Take precautions to protect the rod surface������ Guard against dirt or other
foreign objects entering system������
Drain all fluid from cylinder.
Clean all dirt and grit from outside of cylinder.
Insert cylinder into vise.
1.
2.
3.
1.
2.
3.