Stryker 4700, Руководство по обслуживанию

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Service Information – Litter
20
FOWLER MOTOR REMOVAL AND REPLACEMENT (CONTINUED)
8. Unplug the capacitor wires.
9. Lift the electrical pan up slightly and turn it sideways on an angle.
WARNING
It is important to properly support the Fowler before proceeding or personal injury could result.
10. Using a 3/8” inch socket wrench, remove the five 5/16” bolts holding the motor mounting bracket to the
litter frame.
11. Lift the motor up and out.
12. Reverse the above procedure to install the replacement Fowler motor.
FOOT MOTOR REMOVAL AND REPLACEMENT
Required Tools:
T27 Torx Driver Hammer Punch
7/16” Socket 9/16” Socket Ratchet
Removal Procedure:
1. Raise the bed to the full up position.
2. Remove all accessories from the foot end of the bed (foot pan, mattress, basin, etc.).
3. Using a 5/16” nut driver, remove the 8 screws holding the bottom cover to the litter.
4. Using a 9/16” socket, remove the bolts holding the left and right foot pan support brackets. (When replac-
ing the brackets during re–assembly, use Loctite 242 on the bolts and torque them to 40 foot–pounds.)
5. Remove the head/seat section mattress.
6. Using a T27 Torx driver, remove the six bolts holding the seat section.
7. Run the foot motor half way up from the bottom stop.
8. Unplug the motor connector from the power board.
9. Unplug the connector from the foot motor capacitor.
10. While holding the motor to prevent it from falling, use a 7/16” wrench to remove the four bolts from the
seat section.
11. Using a hammer and punch, drive the roll pin out of the manual override nut.
12. With the motor and crosstube sitting on the seat frame, push down on the foot motor to force the Acme
nut out of the crosstube and remove the nut from the screw.
13. Unscrew the Acme nut from the motor shaft.
14. Tilt the motor toward the head end of the bed and carefully lift it up and remove it from the bed.
15. Reverse the above procedure to install the replacement foot motor. See page 23 for the potentiometer
adjustment procedure.