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STATIC DISCHARGE PRECAUTIONS
The electronic circuits in the 1550 are completely protected from static electricity damage only while the
stretcher is assembled. It is extremely important that all service personnel always use adequate static protec-
tion when servicing the electronic systems of the 1550. Whenever you are touching wires, you should be
using static protection.
Static Protection Equipment
The necessary equipment for proper static protection is:
S 1 static wrist strap; 3M part number 2214 or equivalent,
S 1 grounding plug; 3M part number 61038 or equivalent,
S 1 test lead with a banana plug on one end and an alligator clip on the other; Smith part number
N132B699 or equivalent.
CAUTION
All electronic service parts will be shipped in static shielding bags. Do not open the bags until you have com-
pleted steps 2 and 3 of the following procedure. Do not place unprotected circuit boards on the floor. All circuit
boards to be returned to Stryker Medical should be shipped in the static shielding bags the new boards were
shipped in.
Static Protection Procedure
1. Turn off the main power switch at the foot end of the stretcher and unplug the power cord from the wall
receptacle.
2. Insert the grounding plug into a properly grounded hospital grade wall receptacle. Plug the banana plug
of the test lead into the receptacle on the grounding plug. Connect the alligator clip on the other end of
the test lead to the ground chain of the stretcher.
3. Place the static control wrist strap on your wrist. Connect the alligator clip at the other end of the wrist strap
cord to the ground chain of the stretcher.
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Service Information
STRETCHER
GROUNDING DIAGRAM
11
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