Manual
1 Maintenance Intervals and Items
GX-8000 - 2 -
1
Maintenance Intervals and
Items
• Daily maintenance: Perform maintenance before beginning to work.
• Monthly maintenance: Perform alarm test once a month.
• Regular maintenance: Perform a maintenance once or more for every six months to maintain the
performance as a safety unit.
Maintenance
item
Maintenance content Daily
maintenance
Monthly
maintenance
Regular
maintenance
Battery level
check
Check that the battery level is sufficient. { { {
Concentration
display check
Make the gas monitor draw in fresh air. Check
that the concentration display value is zero (or
20.9 vol% on the oxygen deficiency meter).
When the reading is incorrect, perform the zero
adjustment (fresh air adjustment) after ensuring
that no other gases exist around it.
{ { {
Flow rate check See the flow rate indicator to check for
abnormalities.
{ { {
Filter check Check the dust filter for dust or clogging. { { {
Alarm test Check the alarm lamp and buzzer for normal
operation by using the alarm test function.
{ {
Span adjustment Perform the span adjustment by using the
calibration gas.
{
Gas alarm check Check the gas alarm by using the calibration gas. {