4535 611 98931 iE33 Service Manual Page 223
CSIP Level 1 Preventive Maintenance: Casters
Casters
The recommended interval for caster maintenance is every 12 months.
➤ To check the casters
1. Check casters for cut or damaged tires.
2. Check for missing or damaged hubcaps.
3. Move the system and check caster operation.
4. Replace the casters if necessary.
Brake and
Swivel-Lock
Mechanism
The recommended interval for brake/swivel-lock assembly maintenance is every 12 months.
Both front casters can be brake-locked. The right rear caster can be swivel-locked. The left rear
caster cannot be either. All four casters swivel when the swivel lock is off.
➤ To service the brake and swivel-lock mechanism
1. Check the brake pedal for smooth operation, and confirm that the mechanism is functional
(Figure 8-3).
2. Check the caster swivel-lock pedal for smooth operation, and confirm that the mechanism is
functional (Figure 8-3).
3. Remove the mud plate enclosure (Figure 10-25).
4. Check the brake and swivel-lock cables (Figure 8-5). Verify there are no kinks or other cable
damage. Replace the cables if necessary.
5. Remove the left and right brake-pedal extension covers (Figure 10-26).
6. Apply Molygraph SL3144 Bearing Grease (P/N 453561165761) to the center brake linkage, if
needed (Figure 8-4).
7. Move the system and check that the brake and swivel-lock mechanisms are functional.
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