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![]() ![]() TM 55-4920-244-14
LIST OF ILLUSTRATIONS
Page
Title
Number
Exhaust Gas Temperature Tester . . . . . . . . . . . . . .
Operator's Controls and Instruments . . . . . . . . . . . 2-2
EGT Circuit Check . . . . . . . .
... . . . . . . . . . . .
Installation of Heater Probes in Engine (sheet 1 of 2) . . . . . . . . . . 2-5
Installation of Heater Probes in Engine (sheet 2 of 2) . . . . . . . . . . 2-6
EGT Indicator Check . . . . . . . . . . . . . . . . . . .
Resistance Check . . . . . . . . . . . . . . . . . .
Insulation Resistance Check . . . . . . . . . . . . . . . . . . .
Continuity Probe and Sampling Thermocouple . . . . . . . . . . . . . . 2-10
Operational Check . . . . . . . . . . . . . . . . . . .
Thermocouple Bench Check . . . . . . . . . . . . .
Cable Storage Compartment . . . . . . . . . . . . . . . . 2-15
Box Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-3
Probe Storage Compartment . .. . . . . . . . . . . . . . . . . . . . . . . . . . .3-4
Heater Probe Circuit Operation Check . . . . . . . . . . . . . . . . . . . . . . . . 3-7
Check Cable Circuit Continuity Check . . . . . . . . . . . . 3-8
EGT Indicator Circuit Operation Check. . . . . . . . . . . . . . . . . . . . . .3-9
Shipping Pallet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . 4-3
Connections for Potentiometer Circuit Checkout
4-2
Using Circuit Tester, Part No. BH161A-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
4-3
Connections for RPM Check Circuit Checkout
Using Circuit Tester, Part No. BH161A-2 . . . . . . . . . . . . . . . . . . . . . . . 4-5
Insulation Check Circuit Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
4-4
4-5
Resistance Check Circuit Test . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
Tester Major Components . . . . . . . . . . . . . . . . . . . . . . . . . 4-12
BH1766 Circuit Board Assembly (sheet 1 of 2) . .. . . . . . . . . . . . . . . 4-14
BH1766 Circuit Board Assembly (sheet 2 of 2) . . . . . . . . . . . . . . . . . 4-15
Deck Assembly (sheet 1 of 4) . . . . . . . . . . . . . . . . . . . . . . . 4-16
Deck Assembly (sheet 2 of 4 ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-17
Deck Assembly (sheet 3 of 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18
Deck Assembly (sheet 4 of 4) . . . . . . . . . . . . . . . . . . . . . . 4-20
BH146 Takcal Assembly' (sheet 1 of 2) . . . . . . . . . . . . . . . . . . . 4-24
BH146 Takcal Assembly (sheet 2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-25
BH1760 Printed Circuit Board Assembly . . . . . . . . . . . . 4-32
BH1760 Circuit Board Assembly Trimpot Locations . . . . . . . . . . . . . . 4-32
Terminal Locations, Potentiometer °C . . . . . . . . . . . . .
Terminal Board Assemblies . . . . . . . . . . . . . . . . . . . 4-37
RPM Check Assembly Trimpot Location . . . . . . . . . . . . . . . . . . . . . . . . . . .4-38
Schematic Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-39
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