Fluke Biomedical 10100AT - Manual (Page 55)

Maintenance
Introduction
4
4-1
Section 4
Maintenance
4.1 Introduction
This section gives step-by-step procedures on how to replace the Model 35050AT Dosimeter's battery
and fuse. This section also gives instructions on how to order replaceable parts or arrange for service if
necessary.
Disconnect the instrument from other equipment
and turn off power before continuing to section 4.3,
Battery Replacement, and section 4.4, Fuse
Replacement.
4.2 Cleaning the Instrument
To clean the exterior of the instrument, follow these steps:
1. Turn off the instrument and disconnect all input connectors.
2. Place the cap on the triaxial-BNC connector.
3. Moisten a soft cleaning cloth with a solution of three parts water and one part liquid dishwashing
detergent.
Do not soak the cloth in the solution; you must not let the solution drip inside the instrument.
4. Use the moistened cloth to wipe the instrument's exterior cover.
5. Let the instrument dry completely before using.
4.3 Battery Replacement
Use the following procedure to replace the battery pack in the Model 35050AT Dosimeter and refer to
Figure 4-1.
1. Turn off power.
2. Twist off the four rubber feet on the bottom of the instrument with finger friction; remove the bottom
cover plate and set aside.
3. Invert and tap the instrument into the palm of the hand until the battery pack falls out.
4. Using a small screwdriver or fingernail, remove all six exhausted batteries from the battery pack;
dispose of them properly.
5. Replace with six fresh AA alkaline batteries -- spring side connects to negative end of battery.
Press all six batteries firmly to make sure contacts have been made at both ends.
6. Install the battery pack back into the instrument with the output terminals facing the direction of the
notch cutout provided for easy replacement (see Figure 4-1).
7. Put the bottom cover plate back on the instrument in the proper position. Screw the rubber feet
back on and finger tighten.
WARNING