5 Device Care
5.1 Maintenance
WARNING!
• Repair or alteration of the device beyond the procedures described in this user guide or by anyone other than a
person authorized by MSA, could cause the unit to fail to perform properly. Use only genuine MSAreplacement parts
when performing any maintenance procedures on the device. Substitution of components can seriously impair
performance, alter intrinsic safety characteristics or void agency approvals.
• This device contains electrostatically sensitive components. Do not open or repair the device without using the
appropriate electrostatic discharge (ESD) protection. Electrostatic discharge can damage sensitive components and
result in erroneous gas readings or inability to detect a gas event. The warranty does not cover damage caused by
electrostatic discharge.
• Opening the device and replacing components in a hazardous environment poses a risk of explosion. Do not open the
device or replace components in a hazardous area.
• Remove and install all components carefully, ensuring that the components are not damaged. Otherwise device
intrinsic safety may be adversely affected, wrong readings could occur, and persons relying on the device for their
safety could sustain serious personal injury or death.
• Perform a calibration after performing maintenance on the device.
Failure to follow these warnings can result in serious personal injury or death.
5.1.1 Cleaning
Routine Cleaning
Clean the exterior of the device regularly using only a damp cloth. Do not use cleaning agents, as many contain silicone or
alcohol, which can damage the sensors.
Dust and Dirt Exposure
Use a dry, soft bristled brush to remove any dust or dirt that has accumulated on the device, especially at the sensor
openings. If there is a buildup of dust or dirt particles remaining in the sensor area after brushing, use a vacuum to remove
remaining particles, but maintain at least a 1/2 inch (1.3 cm) distance from the gas detector.
Water Exposure
If the apparatus is exposed to water, turn the device sensor side down and gently shake water off the sensor area. Any
remaining water can be removed with a clean dry cloth.
ALTAIR io 4 34
5 Device Care US
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