www.stryker.com SK-7500 REV 00 61
Service
Non-steer caster replacement
Tools required:
• Large flat screwdriver
• Floor jack (small)
• Torque wrench with 5 mm hex bit (9.5 Nm)
• 5 mm hex wrench
• Needle nose pliers
• Hammer
Procedure:
1. Put the brake in the neutral position.
CAUTION
With the brake in the neutral position, the product could move.
2. Raise the product to the highest height position.
3. Unplug the power cord from the wall outlet.
4. Using needle nose pliers, remove and discard the rue ring cotter pin (G) from the hex shaft (Figure 6 on page 62).
5. Pull the brake pedal off the hex shaft and set aside (Figure 6 on page 62).
6. Remove and save the plastic washer (H) that is on the hex shaft (Figure 6 on page 62).
7. Using a hammer and a large screw driver, remove and discard the starlock retainer (K) that is on the hex shaft
(Figure 6 on page 62).
8. Using a 5 mm hex wrench, remove and discard the two screws (I) and washers (J) that secure the non-steer caster
to the base frame (Figure 6 on page 62).
9. Use a small floor jack to lift the base frame cross tube to loosen the non-steer caster.
10. Grasp the opposite brake/steer pedal and pull outward about four inches (100 mm) to remove and discard the non-
steer caster.
Note:
Note the position of the label on the mounting shaft of the old caster for reinstallation of the replacement caster.
11. Reverse steps to reinstall.
WARNING
Always make sure to line the hex shaft with the hex in the caster. Test the caster to identify the direction of the
brake. Damage may occur if you install the caster incorrectly.
Note: Torque the caster mounting screws (I) to 9.5 Nm +/- 1.5 Nm.
12. Verify proper operation of the product before returning it to service.
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