JLG 400S Service And Maintenance Manual page 128

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Table of Contents

SECTION 3 - CHASSIS & TURNTABLE

18. Remove seal (16) and back up washer (17) from Small

Frame, housing (18). Discard both.

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

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

20. Inspect housing (18) assembly for cracks, the machined

surfaces for nicks, burrs, brinelling or corrosion. Remove

burrs that can be removed without changing dimen-

sional characteristics. Inspect tapped holes for thread

damage. If the housing is defective in these areas, dis-

card the housing assembly.

21. If the housing (18) assembly has passed inspection to

this point, inspect the housing bearings/bushings (19)

and (13) and if they are captured in the housing cavity

the two thrust washers (14) and thrust bearing (15). The

bearing rollers must be firmly retained in the bearing

cages, but must rotate and orbit freely. All rollers and

thrust washers must be free of brinelling and corrosion.

The bushing (19) or (13) to coupling shaft diameter

clearance must not exceed 0.010 in. (0.025 mm). A bear-

ing, bushing, or thrust washer that does not pass inspec-

tion must be replaced. If the housing has passed this

inspection the disassembly of the Torqlink™ is com-

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