Assembly, Assembly -72 – JLG 1250AJP Service Manual User Manual
Page 426
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SECTION 5 - HYDRAULICS
5-72
– JLG Lift –
3121171
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 bearing puller is used to disassemble the external
bearing ring of the taper roller bearing inside the
port plate. Take care of the surface of the port plate.
25. The spring has additional pretension while you dis-
assemble the three pressure pins inside the cylinder.
Assembly
1. Measurement of the taper roller bearing pretention.
2. Ensure there is a correct connection of the piston
rod and the swash plate.
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