Stryker Medical 1050, Maintenance Manual

Page: 26 / 108

Service Information
21
JACK/MOTOR REPLACEMENT (CONTINUED)
16. Reinstall fill plug, plug stretcher power cord into a properly grounded wall receptacle and run the jack up
and down electrically. Remove the fill plug and add more hydraulic fluid, if necessary. Repeat this step
two or three times.
17. Pump the lift pedal to raise the jack actuator and reattach the jack to the litter support tube. Reattach
the base hood. Test the lift functions before returning the stretcher to service.
FOWLER LIFT MOTOR/ACTUATOR REPLACEMENT
Required Tools:
(2) 7/16” Open End Wrenches 5/32” Allen Wrench Standard Screwdriver (12” or longer)
Two 1/2” Wrenches or Sockets 1/4” Nut Driver 5/16” Ratchet and Extension
5/64” Allen Wrench String or Cord Sawhorse (or equivalent)
A
C
C
B
B
D
FOOT END
Procedure:
1. Raise the litter, Fowler and Knee Gatch to the full up position. Remove the mattress and unplug the power
cord from the wall socket. Properly ground yourself (see page 18).
2. Lift the foot section and pivot it back, securing it with string or cord. Using a 5/32” Allen wrench, remove
the four screws and the two Knee Gatch guides from the sides of the motor/board cover. Using a standard
screwdriver, remove the two sheet metal screws holding the cover to the foot end frame tube and remove
the cover.
3. Disconnect the black cable connecting the Fowler motor to the logic circuit board.
4. Remove and save the small black cap from the end of the quick drop release cable. With two 7/16” open
end wrenches, loosen the nuts on the cable retainer until the end of the quick drop release cable will slide
out. Using a 5/64” Allen wrench, loosen the set screw (A) securing the cable cover at both ends of the
cable and pull off the cable cover.