JLG 18RS Service Manual User Manual

Page 62

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SECTION 3 - CHASSIS & TURNTABLE

3-24

– JLG Lift –

3121284

IF A BEARING MANDREL IS NOT AVAILABLE AND ALTERNATE METHODS ARE
USED TO PRESS IN BEARING/BUSHING (13) AND (19) THE BEARING/BUSHING
DEPTHS SPECIFIED MUST BE ACHIEVED TO INSURE ADEQUATE BEARING SUP-
PORT AND CORRECT RELATIONSHIP TO ADJACENT COMPONENTS WHEN
ASSEMBLED.

BECAUSE THE BEARING/BUSHINGS (13) AND (19) HAVE A PRESS FIT INTO THE
HOUSING THEY MUST BE DISCARDED WHEN REMOVED. THEY MUST NOT BE
REUSED.

2.

The inner housing bearing/bushing (13) can now be
pressed into its counter-bore in housing (18) flush to
0.03 inch (0.76 mm) below the housing wear plate con-
tact face. Use the opposite end of the bearing mandrel
that was used to press in the outer bearing/bushing (19).

3.

Press a new dirt and water seal (20) into the housing (18)
outer bearing counterbore. The dirt and water seal (20)
must be pressed in until its’ flange is flush against the
housing.

4.

Place housing (18) assembly into a soft jawed vise with
the coupling shaft bore down, clamping against the
mounting flange.

5.

Assemble a new backup ring (17), new backup washer
(25) and new seal (16) with the seal lip facing toward the
inside of the motor, into their respective counterbores in
housing (18).

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