JLG 4394RT Service Manual - Manual (Page 56)

SECTION 3 - CHASSIS, PLATFORM & SCISSOR ARMS
3-20 – JLG Lift – 3121249
22. Check splines (1) for damage or fretting; running
surfaces (2);groove cut by shaft seal (3).
23. Check that sliding surface is free of grooves (1);
cups are free of grooves and there are no pittings
(2).
24. Make sure the seat of the shaft seal in the case has
no damage.
25. Make sure the sealing surfaces are damage free.
26. Press bearing ring in port plate (with tool).
27. Press bearing ring in supporting axle (with tool).
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