Komatsu 830E-AC Shop Manual page 472

Dump truck, serial numbers a30001-a30035
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2. Turn the key switch OFF to stop the engine,
and allow at least 90 seconds for the accumula-
tor to bleed down. Turn the steering wheel to be
sure no pressure remains. As a safety precau-
tion, bleed down brake accumulators.
3. Place jack under spindle or under frame at the
front cross tube.
4. Raise front end of truck until tires clear ground
and block up securely under frame.
5. Visually inspect all brake components for dam-
age or wear. Inspect hydraulic brake lines for
damage or leaking fittings.
6. Secure wheel assembly to hoist or fork lift and
take up slack. Remove wheel nuts (8, Figure 2-
1), and wheel retainer lugs (7) securing wheel
assembly to wheel hub. Remove the clamp that
secures the tire inflation valve to the wheel hub.
1. Valve Assembly
2. Bead Seat Band
3. Rim
4. O-Ring
5. Side Flange
G2-4
FIGURE 2-1. FRONT WHEEL ASSEMBLY
6. Lock Ring
7. Wheel Retainer Lug
8. Nut
9. Cap Screw
10. Flat Washer
Tires and Rims
Care should be taken not to damage the inflation
stem during tire removal.
7. Move wheel assembly away from wheel hub
and into clean work area.
Do not attempt to disassemble wheel assembly
until all air pressure is bled off.
Due to its size and weight, always keep person-
nel away from a wheel assembly when it is being
removed or installed.
11. Lockwasher
12. Nut
13. Clamp
14. Cap Screw
15. Flatwasher
16. Lockwasher
17. Bent Plate
18. Hub
G02022

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