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TM 10-6630-236-13&P
SECTION A
(G) Apply the test flame as the temperature reading on the Farenheit thermometer reaches each
successive 5 degree mark, and pass the flame across the top of the cup. The time duration for the passage of
the test flame across the cup should be approximately one second.
(H) Heat the oil (at a rate not exceeding 30°F. below the anticipated flash point of the oil. Thereafter
decrease the rate of heating, and for at-least the last 50°F. before the flash point is reached the rate should be
10 degrees +/- 1 degree per minute.
(I) Record as the flash point, the temperature read on the thermometer when a flash appears at any point
on the surface of the oil. The true flash must not be confused with a bluish halo that sometimes surrounds the
test flame.
(J) After the flash point has been established and recorded, continue heating the oil at the specified rate (10
degrees +/-1 degrees per minute) and apply the test flame at the same intervals until the oil ignites and
continues to burn for a period of at least 5 seconds. Record as the fire point the temperature reading at the
time of the flame application that caused burning for a period 5 seconds or more.
4. SERVICE INSTRUCTIONS:
Under normal conditions service is not required. However, any service problems can often be resolved
quickly and inexpensively by phone or letter. Please contact our office at:
KOEHLER INSTRUMENT COMPANY, INC.
1595 SYCAMORE AVENUE
BOHEMIA, NEW YORK 11716
TELEPHONE: (516) 589-3800
TELEX: 4973677KOEHLER
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