Zeiss humphrey HFA II-i series, Field Service Manual

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Humphrey Field Analyzer II - i General Information
Confidential and Proprietary
52235C1105 1 - 9
Field Service Guide
5. If the power cord or plug on the instrument is damaged, a shock or fire hazard may
result. Do not allow continued operation of the instrument until the damaged cord or plug
has been replaced.
6. To prevent personal injury and damage to the instrument:
P
Use only the power table recommended by Carl Zeiss Meditec.
P
Do not place the instrument on uneven or sloped surfaces.
7. For stability of the power table, strictly adhere to the following guidelines:
P
Ensure that the instrument is secured to the power table with the screws provided.
P
Do Not place the instrument near the operator end of the table during setup,
service, or operation.
P
Before servicing the instrument, cycle the table to its lowest position and ensure that
the slider is locked in position.
8. Ensure that the instrument is installed on a stable, vibration-free surface.
9. Be cautious when you first touch the projection assembly.
The projection assembly
can become extremely hot any time the projection bulb is lit for prolonged periods,
such as during sustained patient testing.
10. The bowl lamp voltage is approximately 550 volts — AVOID TOUCHING!
Instrument Precautions
1. When the instrument is being unpacked, save the shipping materials for possible future
use. Whenever the instrument is shipped, it must be properly packed to prevent damage.
Do Not place objects in the bowl during shipment of the HFA II - i .
2. When spare parts are received, save the shipping materials for returning the defective
part(s), if appropriate.
3. Handle interconnecting cables carefully. Many of these are constructed of extremely
small coax cable and are easily damaged.
4. To avoid possible damage to circuit board components, do not plug/unplug cables while
power is applied to the instrument.
5.
Do Not
use Windex® to clean the touch screen, as it can scratch plastics. The
recommended cleaner is a 50% solution of isopropyl alcohol and water. Otherwise, use
a commercially available anti-static plastic cleaner.
6. Use extreme care whenever working in or near the bowl to avoid causing marks or
scratches to the inner bowl surface.