Welch Allyn ELI 150, Service Manual

Page: 17 / 104

Section 2
2-1
Maintaining and Cleaning
Introduction
This section provides servicing and maintenance instructions for the ELI 150 interpretive electrocardiograph.
Subsequent parts of this section are disassembly, inspection techniques, cleaning techniques, and installation.
Recommended Cleaning Supplies

Anti-static mat & wrist band, properly grounded

Clean, lint-free cloth

Hospital grade germicidal solution

DRY, low pressure, compressed air (30 psi)

Electronic safe non-residue solvent, such as Flux-off

Masking tape

Non-metallic, soft-bristle brush

Naphtha

Vacuum cleaner, Static Safe
Equipment Required

Screwdriver Philips #2.

Allen Wrench 0.05 inch or a 1.25 mm

Vibra-Tite or similar product to prevent screws from vibrating loose.

Digital Multi Meter (DMM)
Note: The equipment and solvent mentioned above are standard shop commodities that are available from
commercial sources. If in the performance of normal maintenance or repair, the PCB assembly, AC
connector assembly, or writer assemblies are removed or replaced, a leakage test should be performed.
See section on testing.
2
CAUTION:
Remove battery fuse before attempting any disassembly.
Removal of the battery fuse will not cause a loss of ECGs or of the configuration. This
information is stored in FLASH memory.