Operation and maintenance manual

Rear Axle Group - Wheel Rim and Tyre
2
Section 160-0050
SM 1382 Rev 1 03-05
REMOVING TYRE AND RIM ASSEMBLY
FROM MACHINE
Numbers in parentheses refer to Fig. 1.
Note: If tyre and rim assembly is to be replaced pre-
assembled, it is not necessary to remove the tyre from
the rim. It may be removed as an assembly.
WARNING
To prevent personal injury and property
damage, be sure wheel blocks, blocking
materials and lifting equipment are properly
secured and of adequate capacity to do the job
safely.
1. Position the vehicle in a level work area, apply the
parking brake and shutdown the engine. Turn the
steering wheel in both directions several times to
relieve pressure in the steering system.
2. Block all road wheels, except the one to be raised,
and place the battery master switch in the 'Off'
position.
3. Break wheel nuts (9) loose with tyre still on the
ground, but do not remove from wheel studs.
4. Jack up the axle to the height required to allow
removal of the tyre and rim assembly.
5. Place safety blocks under the axle.
6. Support tyre and rim assembly with a suitable sling
and attach a suitable lifting device.
7. Remove wheel nuts (9) securing wheel rim (5).
8. With lifting device, remove tyre and rim assembly
from wheel and lift clear of machine.
DISMOUNTING TYRE FROM RIM
Numbers in parentheses refer to Fig. 2, unless
otherwise specified.
Note: The following instructions apply to use of hand
tools. For procedures and tooling required to dismount
the tyre from the rim using hydraulic tools, contact the
relevant tyre manufacturer.
SM - 1039
Fig. 2 - Typical Rim Assembly
4 - Lock Ring
5 - Wheel Rim
6 - Inner Flange
1 - Outer Flange
2 - Driver
3 - Bead Seat Band
SM - 205
SM - 206
Fig. 3 - Pry Bar
Fig. 4 - Breaking Typical Tyre Bead