User Manual

4 • Table of Contents Model GP-01 O
p
erator’s Manual
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Replacing or Charging the Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Replacing the Combustible Sensor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Replacing the Sensor Filters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Parts List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
WARNING: Understand this manual before operating the Model GP-
01. Substitution of components may impair intrinsic
safety. To prevent ignition of a hazardous atmosphere,
batteries must only be changed or charged in an area
known to be nonhazardous. This unit has not been tested
in an oxygen enriched atmosphere (above 21%).