Stryker Stretcher 1231 Stretcher

Remove the litter top from the stretcher

Lift the base hood off the base frame

Remove the hair pin cotter and washer connecting the side control Big Wheel linkage toggle pivot plates to the side control Big Wheel carriage weldment

Remove the rue ring cotter and clevis pin connecting the side control Big Wheel rod end link to the yolk weldment on the end control brake rod

Remove the Big Wheel carriage assembly

Remove the two hex washer head screws and washers connecting the pump pedal link to the foot end pump pedal assembly and pump connecting rod

Remove the foot end pump pedal return spring

Remove the cotter pin from the center of the foot end pump pedal assembly and slide out the pivot pin

Slide the foot end pump pedal assembly up and over the foot end mounting bracket

Pump up the litter top to full height using the foot pedal

Remove the round, black hole plugs from the jack supports at each end of the litter to expose the jack support tube truss head screws

Using a 1/2” socket, and a 3/8” drive ratchet, remove the truss head screws holding the jack support tubes to the jack shafts

Thread a 7/16−20 fine thread bolt far enough into the top of the jack supports to separate the litter top from the jack shaft

With the assistance of another person, lift the litter straight up to remove it from the jack shafts and set it aside

Refer to drawings 1211−31−10 & 1211−31−20 for parts reference

Move Fowler to this position for easier access

Upload a photo of removed set screws (K on page 82), located in center of yokes (item Y on page 82)

Upload a photo of removed cap screws (item A on page 81), flat washers (item C) and hex nuts (item D) holding the gas cylinders (item K) to the litter frame

Fowler holds its position after adjustment?

Upload a photo of replaced washers (item C on page 81) and hex nuts (item D) to secure the pivot bolts

Upload a photo of reinstalled set screws (item K on page 82) with thread locktite

Sign off on the Fowler adjustment

Pump the litter up to full height

Lift the base hood and support it from the litter using string or bungee cords

Drive out the slotted spring pin connecting the butterfly “V” pedal on the patient’s right side to the side control wheel axle using a hammer and 1/4” punch

Remove the butterfly “V” pedal and set it aside

Drive out the slotted spring pin holding the side control Big Wheel link- age yoke weldment to the side control wheel axle using the hammer and 1/4” punch

Pull straight out on the patient’s left side butterfly “V” pedal and remove the side control wheel axle

Remove the hair pin cotter and washer holding the toggle pivot plate to the side control Big Wheel carriage assembly using needle−nose pliers

Remove the rue ring cotter and clevis pin connecting the side control Big Wheel linkage rod end link to the end control brake rod

Remove the side control Big Wheel linkage assembly and set it aside

Remove the litter top from the stretcher

Lift the base hood off the base frame

Remove the two clevis pins and rue ring cotters connecting the brake rods to the drive arm at the center of the base near the cam bracket assembly

Pull the brake shafts straight out away from the base

Remove the four hex washer head screws holding the cam bracket assembly to the base frame and remove the cam bracket assembly

Remove the rue ring cotter from the dampener mounting pin and remove the pin

Lift up on the (patient) left side of the cam bracket and remove the rue ring cotter holding the dampener to the dampener arm and remove the dampener

Reverse steps 1−7 to install the new dampener

Sign off on the dampener replacement