Amana C-Model Especificaciones Pagina 178

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SERVICING
178 Rev. 3
Other recording type instruments can be essential in solving
abnormal problems, however, in many instances they may
be rented from local sources.
Proper equipment promotes faster, more efficient service, and
accurate repairs with less call backs.
COOLING PERFORMANCE TEST
Before attempting to diagnose an operating fault, run a Cool-
ing Performance Test and apply the results to the Service
Problem Analysis Guide.
TEST EQUIPMENT
Proper test equipment for accurate diagnosis is as essential
as regular hand tools.
The following is a must for every service technician and ser-
vice shop:
1. Thermocouple type temperature meter - measure dry
bulb temperature.
2. Sling psychrometer- measure relative humidity and wet
bulb temperature.
3. Amprobe - measure amperage and voltage.
4. Refrigeration test cord - check compressors, motors,
and continuity testing.
5 Volt-Ohm meter - testing continuity, capacitors, and
motor windings.
6. Accurate Leak Detector - testing for refrigerant leaks.
7. High evacuation pump - evacuation.
8. Electric vacuum gauge, manifold, and high vacuum
hoses - to measure and obtain proper vacuum.
9. Accurate charging cylinder or electronic scale - mea-
sure proper refrigerant charge.
10. Inclined manometer - measure static pressure and pres-
sure drop across coils.
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