Chapter Five – Maintenance Procedures – Litter
101
5.4 KNEE SECTION (CONTINUED)
KNEE MOTOR REMOVAL AND REPLACEMENT (GATCH MOTOR KIT P/N 3000–300–711)
Required Tools:
5/16” Nut Driver 1/4” Nut Driver Standard Screwdriver
3/32” Hex Allen Wrench Side Cutters
A
C
F
B
D
E
Procedure: (This procedure will take approximately 30 minutes)
1. Electrically run the knee section (Gatch) fully up. Unplug the power cord from the wall receptacle.
2. Remove the motion interrupt panel (see page 95).
3. Remove litter access panels 1 and 2 (see page 93).
4. Pivot the knee section of the bed up and out of the way by removing the pull clip and clevis pin.
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.
5. Disconnect the two cables (A) at the knee motor capacitor.
6. Using a 1/4” nut driver, remove the cable clamp holding the motor cable (B) to the litter.
7. Disconnect the motor cable from the main CPU board.
8. Using a 5/16” nut driver, remove the two screws (see item D, page 99) holding the electrical shield to the
carriage and remove the bracket.
9. Using a 5/16” nut driver underneath the litter, remove the two screws (C) holding the motor to the litter.
10. Using a 3/32” hex allen wrench, loosen the set screw (D) on the motor drive coupling (E) and slide the drive
toward the motor.
11. To remove the motor from the litter, push the motor toward the head of the bed and lift it up and out.
12. Using side cutters, cut the cable ties at the capacitor (F) and remove the capacitor. (The replacement motor
kit will contain a capacitor.)
13. Reverse the above steps to install the replacement motor and capacitor.
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