PRIOR TO MAINTENANCE TEST FLIGHT (CONT)

PRIOR TO MAINTENANCE TEST FLIGHT (CONT) - TM-1-1510-225-MTF_17

PRIOR TO MAINTENANCE TEST FLIGHT (CONT) - TM-1-1510-225-MTF_19

TM-1-1510-225-MTF Army Model C-12 Aircraft Manual
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TM 1-1510-225-MTF PROCEDURE TROUBLESHOOTING REFERENCE PRIOR TO MAINTENANCE TEST FLIGHT (CONT) (g) LEFT and RIGHT STANDBY PUMP switches - OFF. (h) LEFT and RIGHT FIREWALL VALVE circuit breakers - Reset. (i) CROSSFEED VALVE - Open. Check FUEL CROSSFEED annunciator illuminated and L and R FUEL PRESS annunciators extinguished. (j) CROSSFEED valve switch - OFF. (k) NO TRANSFER lights - PRESS TO TEST. C40 *13. Fuel quantity indicators - Check as follows: B6-8 (a) Fuel quantity indicator selector switch - MAIN. (b) Fuel quantity indicators - Com- pare indication. With full fuel tanks, left and right fuel quantity indicators must indicate within 82 pounds of each other with fuel quantity indicator selector switch set to MAIN. (c) Fuel quantity indicator selector switch - AUXILIARY. (d) Fuel quantity indicators - Com- pare indication. With full fuel tanks, left and right fuel quantity indicators must indicate within 35 pounds of each other with fuel quantity indicator selector switch set to AUXILIARY. 2-4

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