Graco Therm-O-Flow 200 Instructions Manual page 50

Replacing Heater Bands and Sensors in Pump Module
Removing/Replacing RTD Sensor
1. Remove the screws that hold the front shroud in
place and remove front shroud.
2. If RTD sensor wire is connected to electrical enclo-
sure, disconnect it.
3. Loosen the clamp holding sensor on pump.
4. Tie the leads of the new RTD sensor to the old RTD
sensor and remove the old sensor. The leads of the
new sensor will be easily drawn through the conduit
for reconnecting.
5. Remove RTD sensor.
6. Replace the sensor (H) in clamp:
a. Place RTD sensor approximately 30° counter
clock-wise from pump outlet.
b. Tighten clamp.
7. Re-connect sensor wire to electrical enclosure.
Inspection/Maintenance Frequency
The pump packings do not require any other service or
maintenance, except as described in the Daily Mainte-
nance Procedures. See 308570 for inspection frequency
of the pump.
Throat Packings
Refer to manual 308570 for a list of throat packing kits
and replacement instructions.
50 311208P