JLG 4394RT Service Manual - Manual (Page 65)

SECTION 3 - CHASSIS & SCISSOR ARMS
3121133 – JLG Sizzor – 3-29
15. Mount bearing ring with device. Mount spool.
Mount fixation pin.
16. Fix control plate with grease at port plate.
17. Fill case with oil.
18. Mount and screw port plate on supporting axle.