JLG T500J Service And Maintenance Manual page 82

SECTION 3 - CHASSIS & TURNTABLE
NOTE: Series TG Torqlinks™ may have a rotor set with two stator
halves (8B) with a seal ring (4) between them and two sets
of seven vanes (8C). Discard seal ring only if stator halves
become disassembled during the service procedures.
NOTE: A polished pattern on the wear plate from rotor rotation is
normal.
11. Place rotor set (8) and wear plate (9) on a flat surface and
center rotor (8A) in stator (8B) such that two rotor lobes
(180 degrees apart) and a roller vane (8C) centerline are
on the same stator centerline. Check the rotor lobe to
roller vane clearance with a feeler gage at this common
centerline. If there is more than 0.005 inches (0.13 mm)
of clearance, replace rotor set
NOTE: If rotor set (8) has two stator halves (8B & 8D) and two sets
of seven vanes (8C & 8E) as shown in the alternate con-
struction TG rotor set assembly view, check the rotor lobe
to roller vane clearance at both ends of rotor.
12. Remove drive link (10) from coupling shaft (12) if it was
not removed with rotor set and wear plate. Inspect drive
link for cracks and worn or damaged splines. No percep-
tible lash (play) should be noted between mating spline
parts. Remove and discard seal ring (4) from housing
(18).
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.
13. Remove thrust bearing (11) from top of coupling shaft
(12). Inspect for wear, brinelling, corrosion and a full
complement of retained rollers.
14. Check exposed portion of coupling shaft (12) to be sure
you have removed all signs of rust and corrosion which
might prevent its withdrawal through the seal and bear-
ing. Crocus cloth or fine emery paper may be used.
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