Service Information
15
BASE SIDE CONTROL BRAKE/STEER GEAR REPLACEMENT
Required Tools:
Pliers String or Bungee Cord Floor Jack or Equivalent
1/8” Allen Wrench 5/32” Allen Wrench 3/8” Box End Wrench
(2) 9/16” Box End Wrenches 3/16” Punch 1/4” Punch
Hammer
Procedure:
1. Apply the stretcher brakes.
2. Pump the litter up to full height.
3. Lift and support the base hood using string or bungee cord.
4. Using pliers, remove the cotter pins from both jack pump pistons and the pump linkage.
5. Using the 9/16” box end wrenches, remove the two bearing plate bolts.
6. Remove the cotter pin on the side brake bar.
7. Remove the bearing plate and pull out the idler gear rod while holding onto the gear. Lift the gear out.
8. Slide the miter gear away from the rod spacer and remove the dowel pin.
9. Using the floor jack, raise the side of the base you are working on approximately four inches.
10. Rotate the brake bar so the pedals are upside down.
11. Using a 1/4” punch and a hammer, remove the groove pin from the side brake rod.
12. Using a 3/16” punch and hammer, remove the 3/16” groove pin from the pedal.
13. Using a 5/32” Allen wrench, remove the set screw from the collar inside the gear box.
14. Remove the brake rod while holding the gear on the rod.
15. Using a 1/8” Allen wrench and a 3/8” box end wrench, remove the nuts and bolts holding the brake link
to the rod.
16. Using a 5/32” Allen wrench, remove the set screw from the collar outside of the gear box.
17. Using a 1/4” punch, remove the roll pin from the cam and brake link collar.
18. Reverse the above steps to install the replacement gear.
19. Inspect each gear for wear. Lube with MPG−2 grease or the equivalent if necessary.
UNI−PEDAL REPLACEMENT
Required Tools:
Drill w/3/16” Drill Bit Floor Jack Pop Rivet Tool
Replacement Procedure:
1. Set the stretcher brake and pump the litter up fully.
2. Use the floor jack to raise the side of the base frame off the floor approximately four inches.
3. Using a drill with a 3/16” drill bit, drill out the rivets on the bottom of the pedal to be replaced.
4. Using a pop rivet tool and rivets, install the replacement pedal.
5. Lower the stretcher to the floor. Test the operation of the pedal before returning the stretcher to service.
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