JLG 4394RT Service Manual - Manual (Page 60)

SECTION 3 - CHASSIS & SCISSOR ARMS
3-24 – JLG Sizzor – 3121133
28. Press bearing on drive shaft.
29. Install shaft in supporting axle (1). Put in simulation
ring (2). Mount bearing with port plate , fix with 2
screws (3)
30. Place measuring device. Ascertain tolerance. Grip
shaft with Seeger ring pincers and move up and
down. [Simulation ring 1mm + tolerance + (bearing
pretension 0.05 - 0.08) is resulting in thickness of the
synchronizing disc]. Grind synchronizing disc to
dimension.
1
2
3