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TM 1-4920-458-13&P
2-6.
OPERATING PROCEDURES (CONT)
CAUTION
When testing the rate-of-climb indicator and altimeter do not exceed 5000 feet-per-minute up or down.
j.
Open "Control" needle valve to selector valve to test instrument selected. Use small turn to obtain desired
deflections and continue opening to obtain maximum deflection of both instrument on tester panel and
instrument under test.
2-9
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