Maintenance Procedures – Litter
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KNEE MOTOR REMOVAL AND REPLACEMENT
Required Tools:
5/16” Nut Driver 1/4” Nut Driver 3/8” Socket Wrench
1/8” Hex Allen Wrench #2 Phillips Screwdriver OR
Wire Cutters T27 Torx
Procedure:
1. Electrically run the knee section (Gatch) fully up. Unplug the power cord from the wall receptacle.
2. Remove the clevis pin from the knee section and pivot the knee section up and out of the way.
3. Using a 3/8” socket wrench or a T27 Torx, remove the two bolts holding the ground straps to the motion
interrupt pan.
4. Using a 5/16” nut driver, remove the two bolts holding the motion interrupt pan to the litter and remove
the pan.
5. Using a #2 Phillips screwdriver or a T27 Torx, remove the ten screws securing the foot and midsection
litter access covers and remove the covers.
NOTE
If the motor is not operational, and the knee section is flat, access and remove the pull clip and clevis pin
through the holes on the litter surface, and pivot the knee section of the bed up and out of the way.
6. Disconnect the two cables at the knee motor capacitor. Using wire cutters, remove the cable ties.
7. Disconnect the motor cable from the plug on the bottom of the litter.
8. Using a 5/16” nut driver, remove the three screws holding the electrical shield to the litter and remove
the shield.
9. Using a 5/16” nut driver underneath the litter, remove the two screws holding the motor to the litter.
19. Using a 1/8” hex Allen wrench, loosen the set screw on the motor drive coupling and slide the drive toward
the motor.
20. To remove the motor from the litter, push the motor toward the head end of the bed and lift it up and out.
21. Reverse the above steps to install the replacement motor and capacitor.
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