JLG 660SJ Service Manual - Manual (Page 85)

SECTION 3 - CHASSIS & TURNTABLE
3120840 – JLG Lift – 3-35
20. Remove the snap ring.
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 not to dam-
age the surface of the port plate.
25. The spring has additional pretension while you dis-
assemble the three pressure pins inside the cylinder.