Teledyne 7120 - NDIR analyzer - Manual (Page 68)

Infrared Analyzer Maintenance 5
5-1 Teledyne Analytical Instruments
5.0 Maintenance
Aside from normal cleaning and checking for leaks at the gas connec-
tions, routine maintenance is limited to replacing filter elements and fuses,
and recalibration.
WARNING: SEE WARNINGS ON THE TITLE PAGE OF THIS
MANUAL.
5.0 Replacing the Fuse
Remove Power to Unit before replacing the
fuse.
When a fuse blows, check first to determine the cause, then replace the
fuse using the following procedure:
1. Disconnect the AC power and place the power switch located on
the rear panel in the O position. Remove the power cord from the
receptacle.
2. The fuse receptacle is located in the power cord receptacle
assembly in the upper left-hand corner of the rear panel. See
Figure 5-1
Figure 5-1: AC Fuse Replacement
FUSE