TA Instruments TMA 2940 CE, Operator'S Manual

Page: 94 / 178

Using Your Options
TA I
NSTRUMENTS
TMA 2940 CE 4–6
Removing the
Existing Probe
1. Raise the furnace, and rotate it clockwise to
move it off to the side.
2. Grasp the top of the probe with one hand,
and locate the probe-locking lever (behind
the door that covers the weight tray) with
your other hand.
3. Unscrew the locking lever by turning it
counterclockwise approximately one turn.
4. Lift the probe gently, and twist slightly to aid
its removal from the stage opening.
Removing the Stage
1. Remove the stage shield from the base of
the stage by lifting it straight up. (This is a
friction fit.)
2. Take off the spring clip that holds the sample
thermocouple in place.
3. Move the thermocouple off to the side of the
stage.
4. Turn the stage nut counterclockwise to
remove it.
5. Twist the stage retainer ring (with key slots)
counterclockwise, pull it up off the three
posts, and slide it up off the stage.
6. Take the wave washer up off the stage
flange and remove it.
7. Remove the stage from the stage opening.