TM 55-2840-231-23
Troubleshooting Procedure No. 59. High Health Indicator Test (HIT) Check
CHECK FOR AIR LEAKS
CLEAN COMPRESSOR (PARA 2-4
AND 2-5) OR CLEAN BLEED VALVE
(PARA 2-4.1)
CHECK BLEED AIR LINES AND AIR
DISCHARGE TUBES FOR AIR LEAKS.
REPAIR AS NECESSARY
CHECK F.A.T. GAGE
REFER TO TM 55-1520-228-23 (PARA
(THERMOMETER)
8-238).) REPLACE THERMOMETER IF
FOR ERROR
NECESSARY
NO
CHECK TURBINE OUTLET
REFER TO TM 55-1520-228-23 (PARA
TEMPERATURE INDICATOR
8-108). REPAIR, ADJUST, OR
AND SYSTEM FOR ERROR
REPLACE AS NECESSARY
NO
CHECK GAS PRODUCER
REFER TO TM 55-1520-228-23 (PARA
(N1) TACHOMETER AND
8-58 THRU 8-74) REPAIR, ADJUSTOR
GENERATOR FOR ERROR
REPLACE AS NECESSARY
Change 13
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