4.13 Head or Knee Crank Rod and Drive Screw Assembly (Manual Model Only)
Chapter 4: Removal, Replacement, and Adjustment Procedures
Basic Care™ Bed Service Manual (man336)
Page 4 - 29
4
4.13 Head or Knee Crank Rod and Drive Screw Assembly (Manual
Model Only)
Tools required:
Small screwdriver
17 mm wrench
17 mm socket
Ratchet
Removal
1. Raise the knee section and head section to their highest positions.
2. Lift the foot section of the sleep surface, and fold it back toward the head
section.
NOTE:
If either of these sections cannot be raised, this procedure can be done from
underneath the foot end.
WARNING:
Attach the foot section to the head section. Failure to do so could result
in personal injury.
3. Use straps to attach the foot section to the head section.
4. Remove the footboard (A) from the bed frame (B) (see figure 4-13 on page
5. Remove the plastic housing (C) from the crank handle assembly (D).
6. Lift the spring assembly (E) from the groove in the crank handle assembly
(D), and push the spring assembly (E) up the shaft of the crank handle
assembly (D).
7. Pull the crank handle assembly (D) out of the bed frame (B) until the crank
rod (F) releases from crank handle assembly (D).
8. Gently pry up on one side of the u-joint connection (G).
9. Gently pry up on the opposite side of the u-joint connection (G).
10. Remove the crank rod (F) from the drive screw assembly (H).
11. Remove the retaining ring (I), washer (L), and pin (K) attaching the drive
screw assembly (H) to the bed frame (B).
