JLG 3394RT Service Maintenance Manual page 58

SECTION 3 - CHASSIS & SCISSOR ARMS
17. Remove bearing ring (1). Disassemble spool (2).
1
18. Disassemble shuttle valve (1). Disassemble throttle
screw with throttle pin (2).
2
3-22
19. Check that there are no scratches or metal deposits
2
20. Check cylinder bores, splines.
1
21. Check that cylinder track is free of scratches, there
– JLG Sizzor –
on sliding surface (1), and there is no axial play (2),
(Otherwise: Pistons must be replaced in sets).
are no traces of wear and no embedded foreign par-
ticles. Make sure there are no scratches on the
valve plate. (Replace ONLY in sets).
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