Yanmar ViO45-5 ViO55-5 Swivel Joint Disassembly and Reassembly

It is a simple post on how to disassembly and reassembly swivel joint for Yanmar ViO45-4 and ViO55-5 excavators.

 

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Yanmar ViO45-5 ViO55-5 Swivel Joint Disassembly and Reassembly

Disassembly
(1) Remove the bolts 14.
(2) Remove the swivel flange 5 and the O-ring 11.
(3) Remove the external snap ring C 12 and the swivel spacer 5 from the swivel shaft 2.
(4) Pull the swivel shaft 2 out of the swivel hub 4 and remove O-ring 10.
(5) Remove the swivel seals 8, O-ring 7 and back-up ring 9 from the swivel hub 4.

Reassembly
(1) Install swivel seals 8, O-ring 7 and back-up ring 9 into swivel hub 4.
(2) Apply multi-purpose grease to the inner surface of swivel hub 4.
(3) Install the O-ring 10 on the swivel shaft 2 and insert the shaft into the swivel hub 4 slowly.
• Use a jig E-004
• Apply multi-purpose grease to the outer surface of the shaft.
(4) Install the swivel spacer 5 and the external snap ring 12 to the swivel shaft 2.
(5) Install the swivel flange 3 with O-ring 11, on the swivel hub 4 in this order and tighten bolts 14.

 

More Yanmar machine repair case,please refer to Yanmar Trouble Repair