JLG 680S Service Manual User Manual
Page 56
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SECTION 3 - CHASSIS & TURNTABLE
3-8
– JLG Lift –
3121234
21. Disassemble the sealing ring.
22. The external front bearing ring is pulled out of the
pump housing.
23. Remove the O-ring. Lifting of the valve plate isn’t
shown.
24. A usual commercial bearing puller is used to disas-
semble the external bearing ring of the taper roller
bearing inside the port plate. Take care of the sur-
face of the port plate.
25. The spring has additional pretension while you dis-
assemble the three pressure pins inside the cylinder.
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