70
2040-309-002 REV B
Fowler Potentiometer Replacement
Required Tools:
• T27 Torx.
• Wire Cutters.
• 1/2” Open End Wrench.
• 7/64” Allen Wrench.
Procedure:
1. Manually crank the knee section up until it stops.
2. Using a T27 Torx, remove the four screws holding the litter access cover to the litter and remove the cover.
3. Using a 7/64” Allen wrench, loosen the screw holding the linkage to the potentiometer shaft and remove the linkage
from the shaft.
4. Using a 1/2” open end wrench, remove the nut holding the potentiometer to the frame.
5. Using wire cutters, remove the cable ties from the cable. Unplug the cable from the CPU and remove the
potentiometer.
6. Reverse the above procedure to install the replacement potentiometer.
7. The new potentiometer must be calibrated after it has been installed.
8. The Fowler potentiometer should be set at 150 ohms (±10 ohms) in the full down position. This reading must be
taken from pins 3 and 4 on the connector with the potentiometer unplugged from the board. After the correct ohm
reading is achieved, tighten the screw on the linkage.
9. Perform the “Burn-in” procedure for the Fowler potentiometer (Refer to Fowler Potentiometer “Burn-in”
Procedure).
Fowler Potentiometer “Burn-In” Procedure
Note
It requires two people to enable the diagnostics mode for the bed.
1. Unplug the bed power cord from the wall socket.
2. On the foot board control panel, hold down the bed motion lock button and the button to lock out the siderail
controls for the knee. While still holding the buttons, plug the bed power cord into the wall socket. Release the foot
board buttons. The siderail control lights LED should be flashing to indicate the bed is in diagnostics mode.
3. Using the foot board controls, run the Fowler up to 90°. Press and hold the button on the foot board to lock out the
siderail controls for the back until the padlock LED flashes. Release the button.
4. Using the foot board controls, run the Fowler down to 0°. Press and hold the button on the foot board to lock out
the siderail controls for the knee until the padlock LED flashes. Release the button.
Service Information
Summary of Contents for Zoom 2040
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Page 38: ...38 2040 309 002 REV B www stryker com Notes Return To Table of Contents ...
Page 86: ...86 2040 309 002 REV B www stryker com Base Assembly and Options Return To Table of Contents ...
Page 107: ...www stryker com 2040 309 002 REV B 107 ZOOM Base Assembly Return To Table of Contents ...
Page 108: ...108 2040 309 002 REV B www stryker com ZOOM Base Assembly Return To Table of Contents ...
Page 118: ...118 2040 309 002 REV B www stryker com Litter Assembly Return To Table of Contents ...
Page 119: ...www stryker com 2040 309 002 REV B 119 Litter Assembly Return To Table of Contents ...
Page 120: ...120 2040 309 002 REV B www stryker com Litter Assembly Return To Table of Contents ...
Page 121: ...www stryker com 2040 309 002 REV B 121 Litter Assembly Return To Table of Contents ...
Page 127: ...www stryker com 2040 309 002 REV B 127 Litter Assembly Return To Table of Contents ...
Page 128: ...128 2040 309 002 REV B www stryker com Litter Assembly Return To Table of Contents ...
Page 148: ...148 2040 309 002 REV B www stryker com ZOOM Litter Assembly Return To Table of Contents ...
Page 149: ...www stryker com 2040 309 002 REV B 149 ZOOM Litter Assembly Return To Table of Contents ...
Page 150: ...150 2040 309 002 REV B www stryker com ZOOM Litter Assembly Return To Table of Contents ...
Page 151: ...www stryker com 2040 309 002 REV B 151 ZOOM Litter Assembly Return To Table of Contents ...
Page 160: ...160 2040 309 002 REV B www stryker com Head End Siderail Assembly Return To Table of Contents ...
Page 176: ...176 2040 309 002 REV B www stryker com Foot End Siderail Assembly Return To Table of Contents ...
Page 178: ...178 2040 309 002 REV B www stryker com Foot End Siderail Assembly Return To Table of Contents ...
