Multi Pro 5800Chassis Page 9 − 6
Front Wheel Hubs
Removal and Disassembly
1. Park machine on a level surface, stop engine, en-
gage parking brake and remove key from the ignition
switch.
CAUTION
Before removing wheels or performing other
service, make sure machine is parked on a sol-
id, level surface such as a concrete floor. Al-
ways chock or block wheels. Use jack stands or
other appropriate load holding devices to sup-
port the raised machine. If the machine is not
properly supported, the machine may move or
fall, which may result in personal injury.
2. Jack front of machine off ground (see Jacking In-
structions in Chapter 1 − Safety).
3. Remove front wheel assembly (see wheel removal
in this chapter).
4. Carefully pry dust cap from wheel hub.
5. Remove cotter pin from front spindle.
6. Remove slotted hex nut and washer that secures
wheel hub to spindle. Slide wheel hub with bearings
from spindle.
7. If required, disassemble wheel hub:
A. Pull seal out of the wheel hub.
B. Remove bearings from both sides of wheel hub.
Clean bearings in solvent. Clean inside of the hub.
C. Inspect wheel bearings. Check the bearings and
cups for wear, pitting or other noticeable damage.
Replace worn or damaged parts.
D. If necessary, press wheel studs from hub.
1. Dust cap
2. Slotted hex nut
3. Washer
4. Bearing cone (2)
5. Bearing cup (2)
6. Hub
7. Seal
8. Cotter pin
9. Wheel stud (5)
Figure 5
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2
3
4
4
5
5
6
7
8
9
See text for tightening
procedure
Assembly and Installation
1. Clean all parts thoroughly before reassembly.
2. If wheel bearings were removed from wheel hub, as-
semble wheel hub:
A. If bearing cups were removed from the wheel
hub, press inner and outer cups into the hub until
they seat against the hub shoulder.
B. Pack both bearings with grease. Install greased
inner bearing into the cup on inboard side of the
wheel hub.
C. Fill hub approximately 50% full of grease.
IMPORTANT: The lip seal must be pressed in so
it is flush with the end of the hub. The lip of the
seal must face the bearing.
D. Lubricate the inside of a new lip seal and press it
into the wheel hub.
E. If wheel studs were removed from hub, press
studs fully into hub. Make sure that stud flange is
pressed fully to hub surface.
3. Install the wheel hub onto the spindle shaft taking
care to not damage seal.
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