Owner's Manual

Tru Pointe

Instruction 0019-9328

Sensor Replacement

Over time the sensor will become less responsive to refrigerant gas as it

nearstheendofitsusefullife.Asensor’saveragelifeexpectancyisap-

proximately150hoursor1yearofnormaluse,butwillvarydependingon

the amount of refrigerant that passes through the sensor.

Replacethesensorasfollows(seeFigure4):

Material Required:

•Sensor(refertoSectionReplacement Parts)

Procedure:

1. Turn OFF instrument.

2. Grasp nose cone of probe assembly and pull probe away from case

using a slight twisting motion.

3. Sensor may be hot! Pull spent sensor from its socket and discard.

 4. Pluginnewsensor.

 5. Pushprobeassemblybackintocase.

6. Turn ON the instrument and check that it responds in a positive man-

ner to a source of refrigerant gas.

Maintenance

Figure 4. Sensor Replacement

Grasp probe assembly’s nose

cone and pull probe away from

case while applying a slight

twisting motion.

REFRIGERANT

SENSOR