Teledyne Max-5 - Combustion efficiency analyzer - Manual (Page 14)

shown in Figure 4.
Figure 4. Location of Sensors (Top View)
CO SENSOR: (Refer to Interconnection Diagram)
a. Installation: To install the F-1R sensor, remove the sensor from its protective bag
and plug it into the center receptacle in the bottom of the MAX 5. Next, take the
the connector from J6 on the analog board and plug it into the top of the F-1R
sensor.
b. Replacement: To replace the F-1R sensor, unplug the connector from J6 at the
top of the sensor, remove the sensor by pulling up on it, and throw away the old
sensor. Take a new F-1R sensor from its protective bag, insert it into the recep-
tacle (center bottom of the MAX 5), and attach the connector from J6 to the top
of the sensor.
OXYGEN SENSOR: (See Interconnection Diagram)
CAUTION:
Do not scratch, puncture, or otherwise damage the Micro-Fuel Cell membrane (screen
surface). Damage to the membrane will require sensor replacement. NEVER PRESS ON
THE SENSING SURFACE (screen); you might damage the sensor.