Stryker 2100, Maintenance Manual

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Service Information
21
TILT/TRENDELENBERG SPRING REPLACEMENT AND ADJUSTMENT
TILT/TRENDELENBERG SPRING KIT #88–0316–18–00
Required Tools:
Snap Ring Pliers (External) Blade Screwdriver
11/16” Open End Wrench 1/4” Drift Punch
5mm Allen Wrench Loctite 242
Replacement Procedure:
1. Raise bed to the full up position and tilt head down.
CAUTION
Disconnect power plug from wall receptacle.
2. Remove headboard, foot mattress, foot extension, foot pans, I.V. pole and leg supports.
3. Set brake with casters turned as though the bed is being pushed backwards. The casters at the head end
of the bed must be five feet away from the wall.
4. With the assistance of another person, lift the foot end of the bed chassis and rotate the locked rear casters
until the upper frame–headboard mounts touch the floor.
CAUTION
Replace gas springs one side at a time.
5. Remove shoulder bolt holding gas spring to tilt arm.
6. Remove pin connecting rear lift bar and tilt arm. Disconnect rear lift bar from drive crank.
7. Fully compress gas spring and remove from tilt arm.
8. Remove pin connecting front lift bar and tilt arm.
9. Loosen jam nut on defective gas spring. Unscrew gas spring from spring bracket and remove.
10. Turn replacement gas spring into spring bracket 7 1/2 turns. This will ensure both gas springs engage at
the same time when the Trendelenberg pedal is depressed.
11. Replace and tighten jam nut on gas spring.
12. Apply Loctite 242 to threads of shoulder bolt and attach gas spring to tilt arm.
13. Activate gas springs to align tilt arm.
14. Reconnect front lift bar to tilt arm.
15. Reconnect rear lift bar to drive crank and tilt arm.
16. Repeat steps 5 through 15 for other spring, if necessary.
17. With the assistance of another person, tilt the bed back down to the floor.
18. Remount all items removed previously and return the bed to service.