JLG 680S Service Manual - Manual (Page 131)

SECTION 3 - CHASSIS & TURNTABLE
3121234 – JLG Lift – 3-83
4. Place housing (18) assembly into a soft jawed vise
with the coupling shaft bore down, clamping against
the mounting flange.
5. On the Torqlinks™ assemble a new backup washer
(17) and new seal (16) with the seal lip facing toward
the inside of Torqlink™, into their respective counter-
bores in housing (18) if they were not assembled in
procedure 2.
ORIGINAL DESIGN LARGE FRAME, TF & TG TORQLINKS™ THAT
DO NOT HAVE BACKUP WASHER (25) WHEN DISASSEMBLED
MUST BE ASSEMBLED WITH A NEW BACKUP WASHER (17), NEW
BACKUP WASHER (25), AND NEW SEAL (16).
6. Assemble thrust washer (14) then thrust bearing (15)
that was removed from the Torqlink™.
NOTE: Torqlinks™ require one thrust washer (14) with
thrust bearing (15).The coupling shaft will be seated
directly against the thrust washer.