JLG 4394RT Service Manual - Manual (Page 57)

SECTION 3 - CHASSIS & SCISSOR ARMS
3121133 – JLG Sizzor – 3-21
11. Disassemble rotary group completely with cradle.
12. Disassemble control piston with spring.
13. Pull out swivel balls.
14. Disassemble shaft seal ring.
15. Insert disc. Pull off bearing ring with device.
Remove disc.
16. Disassemble bearing ring from port plate.