JLG E300 Service Manual User Manual

Page 70

SECTION 3 - CHASSIS & TURNTABLE

3-36

– JLG Lift –

3121253

keyway. Replace coupling shaft if any of these con-
ditions exist.

NOTE: Minor shaft wear in seal area is permissible. If wear

exceeds 0.020 inches (0.51 mm) diametrically,
replace coupling shaft.

NOTE: A slight "polish" is permissible in the shaft bearing

areas. Anything more would require coupling shaft
replacement.

15. Remove and discard seal ring (4) from housing (18).

16. Remove thrust bearing (15) and thrust washer (14).

Inspect for wear, brinelling, corrosion and a full com-
plement of retained rollers.

17. Remove seal (16) and back up ring (17) from hous-

ing (18) and backup washer (25). Discard both.

18. Remove housing (18) from vise, invert it and remove

and discard seal (20). A blind hole bearing or seal
puller is required.

19. Inspect housing (18) assembly for cracks, the

machined surfaces for nicks, burrs, brinelling or cor-