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DESCRIPTION
This document illustrates how to replace the Temperature Sensor for models 791 & 891.
* For instructional purposes, model 791 is shown in photos. Instructions for model 891 are the same, unless noted otherwise*
TOOLS NEEDED
•
#2 Phillips Screwdriver (Stubby
Recommended)
•
6 mm Socket Wrench or Driver
•
7 mm Socket Wrench or Driver
FS140148 REV:ORIG
7-24-2020
TEMPERATURE SENSOR REPLACEMENT
PARTS INCLUDED
•
(1) 0027173 - Temperature Sensor
MODEL 791/891
0027173SK
Page 1 of 5
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Summary of Contents for Wisco Industries 791
- Page 1 0027173SK DESCRIPTION This document illustrates how to replace the Temperature Sensor for models 791 & 891. * For instructional purposes, model 791 is shown in photos. Instructions for model 891 are the same, unless noted otherwise* TOOLS NEEDED PARTS INCLUDED •...
- Page 2 MODEL 791/891 TEMPERATURE SENSOR REPLACEMENT 0027173SK Remove the racks from inside of the unit and then place the Unplug the temperature sensor from the power board unit on its side. Remove (9) screws and remove the bottom panel. (Note: the temperature sensor is plugged into the slot that’s labeled CN5) Note: Both units have 9 screws but the layout is different.
- Page 3 MODEL 791/891 TEMPERATURE SENSOR REPLACEMENT 0027173SK Flip the unit back into an upright position. Using the 7 Pull the temperature sensor wires through the hole that mm socket wrench or driver, remove (2) nuts that hold leads to the bottom of the unit.
- Page 4 MODEL 791/891 TEMPERATURE SENSOR REPLACEMENT 0027173SK 791: Remove (6) screws from the top panel. Remove (4) screws from the inside-top of Remove (2) nuts holding the blower 891: Remove (7) screws. the unit. motor in place. Remove the blower motor assembly.
- Page 5 MODEL 791/891 TEMPERATURE SENSOR REPLACEMENT 0027173SK Using the 6 mm socket wrench or driver, remove Using the new sensor, complete all steps in reverse order and (1) nut that holds the temperature sensor in place. you have successfully replaced your units temperature sensor.