4.32 Caster Assembly
Chapter 4: Removal, Replacement, and Adjustment Procedures
Page 4 - 82 Affinity® Three Birthing Bed and Affinity® Four Birthing Bed
Service Manual (MAN272 REV 4)
3. Using the 5/32" Allen™ wrench, turn the setscrew (D) clockwise while
swiveling the caster (C) about 2" from side to side, until you hear a light
ratcheting sound.
4. Turn the setscrew (D) counterclockwise until the ratcheting stops.
5. Set the brake/steer pedal to place the system in the brake position.
6. Ensure that the caster (C) tire does not roll.
7. If the caster (C) tire rolls, tighten the setscrew (D) slightly.
8. If the brake still seems to slip, check the caster (C) tire for wax buildup.
Clean the tire with turpentine if necessary.
9. Set the brake/steer pedal to place the system in steer.
10. Swivel the brake/steer caster (C). The caster (C) should lock into a position
parallel with the length of the bed.
11. Set the brake/steer pedal in the neutral position.
12. Rotate the brake/steer caster (C) 180°. The caster should again lock into a
position parallel with the length of the bed.
13. Set the brake/steer pedal to place the system in neutral.
14. Swivel the brake/steer caster (C) from side to side, while checking for signs
of ratcheting.
15. If necessary, loosen the setscrew (D) to allow the caster (C) to swivel
without ratcheting, but so that it can still be locked in the steer position.
Brake Caster Adjustment
1. Perform step 1 through step 8 in “Brake and Steer Caster Adjustment” on
page 4-81.
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