13795-101 Rev. F
36
Cleaning & Maintenance
Cleaning ClearChart 4
Use a lint-free, soft cloth lightly damped with 90% Isopropyl Alcohol to clean the ClearChart 4,
ClearChart 4X, and AcuityChek screen and the unit. Cleaning of the ClearChart should be performed
when the screen has contaminants on it or when visually, there is dust accumulation on the instrument.
CAUTION:
DO NOT USE AMMONIA-BASED WINDOW CLEANERS. USE OF AMMONIA BASED CLEANERS ON
THE LIQUID CRYSTAL DISPLAY (LCD) MAY CAUSE DAMAGE TO THE DISPLAY.
CAUTION:
DO NOT USE PAPER TOWELS.
Cleaning the IR Detector
Use a lint-free cotton swab, clean the IR detector with
a lens cleaner that is safe for plastic lenses. Refer to
Figure MM-01.
Fuse Replacement
WARNING:
DISCONNECT POWER BEFORE ATTEMPTING
TO REMOVE THE FUSES OR SERIOUS INJURY OR DEATH
MAY OCCUR.
Replace the fuses in the Power Input Module with the
fuses indicated in the
Specifications
section of this
manual.
1. Turn the power to the unit off, and unplug the
device.
2. Press down on the tab in the middle of the Fuse
Holder to release the Fuse Holder and pull the
Fuse Holder out. Refer to figure MM-02.
3. Install new fuses that are indicated in the Specifi-
cation section of this manual into the Fuse Holder.
Refer to Figure MM-03.
4. Push the Fuse Holder into the Power Input Mod-
ule until it snaps into place.
MM-03 Fuse Removal
Fuses
MM-02 Fuse Holder
Fuse
Holder
Press
Tab In
MM-01 Clean IR Detector
IR
Detector
