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4.14 Hilow Crank Rod and Drive Screw Assembly Including Gas Springs (Manual Model Only)
Chapter 4: Removal, Replacement, and Adjustment Procedures
Page 4 - 34
Hill-Rom® Basic Care™ Bed, Hill-Rom® 305 Manual Bed,
Hill-Rom® 405 Electric Bed Service Manual (MAN336 REV 2)
7. 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).
8. Pull the crank handle assembly (D) out of the bed frame (B) until the crank
rod (F) releases from crank handle assembly (D).
9. Gently pry up on one side of the u-joint connection (G) that attaches the
crank rod (F) to the drive screw assembly (H).
10. Gently pry up on the opposite side of the u-joint connection (G), and
remove the crank rod (F) from the drive screw assembly (H).
11. Remove the nut (I), two spacers (J), and bolt (K) that attach the drive screw
assembly (H) to the bed frame (B).
12. Remove the two bolts (L) that attach the drive screw assembly (H) and the
two gas springs (M) to the bed frame (B).
13. Remove the two retaining rings (N), two spacers (O), and pin (P) that
attach the two gas springs (M) to the drive screw assembly (H).
Replacement
1. Install the two bolts (L) to attach the drive screw assembly (H) and the two
gas springs (M) to the bed frame (B).
2. Connect the u-joint on the crank rod (F) to the drive screw assembly (H).
3. Connect the crank handle assembly (D) to the crank rod (F).
4. Install the spring assembly (E) and the plastic housing (C) to attach the
crank rod (F) to the crank handle assembly (D).
5. Turn the handle (Q) clockwise until the drive screw assembly (H) stops.
6. Install the pin (P), two spacers (O) and two retaining rings (N) to attach the
two gas springs (M) to the drive screw assembly (H).
7. Install the bolt (K), two spacers (J), and nut (L) to attach the drive screw
assembly (H) to the bed frame (B).
8. Install the footboard (A) on the bed frame (B).
9. Do the “Function Checks” on page 2-2.