Sensor Replacement; Warning - MSA Orion plus Manual De Operación

4. Install and tighten the battery mounting screws.

Sensor Replacement

1. Verify that the instrument is turned OFF; remove battery pack.
2. Remove pump cover by removing the screw with a 1/16" hex key.
3. Remove the sensor cover screws and cover.
4. Gently lift out sensor to be replaced; properly dispose of sensor.
NOTE: Sensor positions cannot be changed. Each sensor location
is identified by a label in the bottom of each sensor well.
When replacing a sensor, ensure that the gas type printed
on the sensor label matches the sensor identification label
in the instrument.
5. If replacement sensor is equipped with a shorting plate, clip or
wire attached to its pins, remove plate, clip or wire before inserting
the replacement sensor.
6. Carefully align the new sensor contact pins with the sockets on the
printed circuit board.
7. Press the new sensor into place.
8. Replace the sensor gasket and sensor cover.
9. Re-install the screws to hold down the sensor cover.
NOTE: Any repair beyond this manual (IR sensor, Main board,
etc.) requires special training and can only be performed
by qualified and authorized repair centers.
Verification of calibration response is required (some toxic
sensors require more than five hours to stabilize); other-
wise, the instrument will not perform as required, and per-
sons relying on this product for their safety could sustain
serious personal injury or death.

" WARNING

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