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LOAD CELL REPLACEMENT
TOOLS REQUIRED:
• #2 Phillips Screwdriver
• Small Regular Screwdriver
• 9/16 in. Socket
• 3/8 in. Driver Ratchet
• 3/8 in. Drive Torque Wrench
• 1/2 in. Combination Wrench
• 9/16 in. Combination Wrench
• Diagonal Pliers
• Sawhorse
• 0.036 in. Shim
• Floor Jack
PROCEDURE
1.
Raise the litter and the siderails to the highest
position and lower the endrail corresponding to
the load cell to be replaced. If foot endrail is fixed,
see the "Fixed Endrail Installation" procedure
(see page 1-16)
for reference to temporarily lower the
rail.
2.
Lift the foot section and fold it towards the head end
of the stretcher.
3.
Using a #2 Phillips screwdriver, remove the seven
screws (A) holding the foot cover plate (B) to the litter
frame. Remove the plate. Refer to Figure 14.
4.
Place a sawhorse under the corner of the litter frame
according to the position of the load cell to be replaced.
For hydraulic bases, ensure the sawhorse does not
interfere with the lowering of the litter. For fixed bases,
use a floor jack to raise the base on to the sawhorse.
5.
Lower the litter on to the sawhorse. Ensure the litter frame is free of any tension.
6.
Using a 9/16 in. combination wrench and a 9/16 in. socket, remove the two bolts and two locknuts (B) holding the
load cell to the frame support (see Figure 15,
Note
When reinstalling the load cells, use a torque wrench to tighten the bolts to 450 in-lb.
7.
Turn the load cell to disconnect the cable and slide the load cell out.
8.
Using diagonal pliers, cut cable ties holding the defective load cell cable to the litter frame. Note the position of
the cable ties and the slack of the cable between each cable ties.
Note
When installing new cable ties on the load cell cable, ensure the load cell has a 1 in. radius curve at the first point it
is secured. Leave a small amount of slack in the cable as the remainder of the cable ties are installed. This will allows
for the movement of the stretcher.
Return To Table of Contents
1-44
Service
page
1-45).
1900-009-002 REV B
A
B
Figure 14
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