Chapter 1. INTRODUCTION - TM-55-4920-244-140015
DIFFERENCES IN MODELS.
Section Ill. TEST EQUIPMENT AND SPECIAL TOOLS
Chapter 2. OPERATING INSTRUCTIONS - TM-55-4920-244-140019
Figure 2-1. Operator's controls and instruments
Section Il. OPERATION UNDER USUAL CONDITIONS
Figure 2-2. EGT circuit check.
EGT INDICATOR CHECK (Figure 2-4).
Figure 2-3. Installation of Heater Probes in Engine
Resistance of Circuit Out of Tolorance
Insulation Resistance Check (Shorts to Ground)
Continuity Check of Thermocouple and Harness
Transpositions (Crossing of Lead Wires).
Operational Check (Figure 2-8).
Figure 2-8. Operational check.
Thermocouple Bench Check
Section III: OPERATION UNDER UNUSUAL CONDITIONS
Figure 2-10. Cable storage compartment.
Chapter 3. ORGANIZATIONAL MAINTENANCE INSTRUCTIONS
Section Ill. INSPECTIONS AND SERVICING
Figure 3-1. Box assembly.
Figure 3-2. Probe storage compartment.
Section IV. PREVENTIVE MAINTENANCE
Section V. OPERATIONAL CHECKOUT OF TESTER AND ACCESSORIES
Check Cable Circuit Continuity Check.
Potentiometer Continuity Check.
Figure 3-5. EGT indicator circuit operation check.
Table 3-2. Troubleshooting
Chapter 4. DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE INSTRUCTIONS
Limited Storage
Section II. CHECKOUT AND ANALYSIS
Trouble Analysis.
Table 4-1. Troubleshooting
Table 4-1. Troubleshooting (Cont)
Section Ill. REPAIR PROCEDURES
BH1766 Printed Circuit Board Assembly and Cable
Figure 4-6. Tester major components.
Repair
Figure 4-7. BH1766 circuit board assembly (sheet 1 of 2).
Figure 4-7. BH1766 circuit board assembly (sheet 2 of 2).
BH1760 Printed Circuit Board Assembly - TM-55-4920-244-140058
Figure 4-8. Deck Assembly (sheet 2 of 4).
Figure 4-8. Deck Assembly (sheet 3 of 4).
Galvanometers (GALVO-1)
Figure 4-8. Deck Assembly (sheet 4 of 4).
Potentiometer (R-1)
Toggle Switch
Connectors - TM-55-4920-244-140065
Figure 4-9. BH146 Takcal assembly (sheet 1 of 2).
Figure 4-9. BH146 Takcal assembly (sheet 2 of 2).
Repair.
Probe Storage Compartment Assembly
Base Assembly
Deck Assembly
Replacement of POWER ON Lamp
Section IV. REASSEMBLY AND ALIGNMENT
BH1760 Printed Circuit Board Assembly - TM-55-4920-244-140074
Potentiometer (C)
Connectors - TM-55-4920-244-140077
RPM check assembly.
Handle Assembly.
Section V. ALPHA-NUMERIC PARTS LIST AND PROBE REFERENCE TABLE
Figure 4-15.
Table 4-2. Alpha-numeric Parts List.
Table 4-2. Alpha-numeric Parts List-Continued. - TM-55-4920-244-140083
Table 4-2. Alpha-numeric Parts List-Continued. - TM-55-4920-244-140084
Table 4-2. Alpha-numeric Parts List-Continued. - TM-55-4920-244-140085
Table 4-2. Alpha-numeric Parts List-Continued. - TM-55-4920-244-140086
Table 4-2. Alpha-numeric Parts List-Continued. - TM-55-4920-244-140087
Table 4-2. Alpha-numeric Parts List-Continued. - TM-55-4920-244-140088
Table 4-3. Probe Reference Table
Table 4-3. Probe Reference Table (Cont)
Appendix A: REFERENCES - TM-55-4920-244-140092
Appendix B: MAINTENANCE ALLOCATION CHART - TM-55-4920-244-140094
Explanation of Format.
Maintenance Allocation Chart for Tester, Exhaust gas Temperature, Part Number
Appendix C: REPAIR PARTS AND SPECIAL TOOLS LIST
Source Code
Maintenance Code. - TM-55-4920-244-140100
Maintenance Code. (Cont)
Recoverability Code.
Explanation of Columns (Sect. IV).
Special Information - TM-55-4920-244-140104
How to locate Repair Parts.
Figure C-1. Tester Assembly (Sheet 1 of 2)
Figure C-1. Tester Assembly (Sheet 2 of 2)
Repair Parts List - TM-55-4920-244-140108
Figure C-2. Box Assembly
Repair Parts List - TM-55-4920-244-140110
Figure C-3. Circuit Board Assembly (Sheet 1 of 2)
Figure C-3. Circuit Board Assembly (Sheet 2 of 2)
Repair Parts List - TM-55-4920-244-140113
Figure C-4. Deck Assembly (Sheet 1 of 4)
Figure C-4. Deck Assembly (Sheet 2 of 4)
Figure C-4. Deck Assembly (Sheet 3 of 4)
Figure C-4. Deck Assembly (Sheet 4 of 4)
Repair Parts List - TM-55-4920-244-140118
Repair Parts List (Cont) - TM-55-4920-244-140119
Repair Parts List (Cont)
Figure C-5. BH146 Takcal Assembly
Repair Parts List - TM-55-4920-244-140122
Figure C-6. BH1760 Printed Circuit Board
Repair Parts List - TM-55-4920-244-140124
Figure C-7. Terminal Board Assemblies
Repair Parts List - TM-55-4920-244-140126
NATIONAL STOCK NUMBER INDEX - TM-55-4920-244-140128
NATIONAL STOCK NUMBER INDEX (Cont) - TM-55-4920-244-140129
Part Number Index
Part Number Index (Cont) - TM-55-4920-244-140131
Part Number Index (Cont) - TM-55-4920-244-140132
Part Number Index (Cont) - TM-55-4920-244-140133
Part Number Index (Cont) - TM-55-4920-244-140134
Part Number Index (Cont) - TM-55-4920-244-140135
FIGURE AND ITEM NUMBER INDEX
FIGURE AND ITEM NUMBER INDEX (Cont) - TM-55-4920-244-140137
FIGURE AND ITEM NUMBER INDEX (Cont) - TM-55-4920-244-140138
FIGURE AND ITEM NUMBER INDEX (Cont) - TM-55-4920-244-140139
FIGURE AND ITEM NUMBER INDEX (Cont) - TM-55-4920-244-140140
FIGURE AND ITEM NUMBER INDEX (Cont) - TM-55-4920-244-140141
TM-55-4920-244-14 Tester Exhaust Gas Temperature Model BH112JA-36 Manual
DIFFERENCES IN MODELS.
Section Ill. TEST EQUIPMENT AND SPECIAL TOOLS
Chapter 2. OPERATING INSTRUCTIONS - TM-55-4920-244-140019
Figure 2-1. Operator's controls and instruments
Section Il. OPERATION UNDER USUAL CONDITIONS
Figure 2-2. EGT circuit check.
EGT INDICATOR CHECK (Figure 2-4).
Figure 2-3. Installation of Heater Probes in Engine
Resistance of Circuit Out of Tolorance
Insulation Resistance Check (Shorts to Ground)
Continuity Check of Thermocouple and Harness
Transpositions (Crossing of Lead Wires).
Operational Check (Figure 2-8).
Figure 2-8. Operational check.
Thermocouple Bench Check
Section III: OPERATION UNDER UNUSUAL CONDITIONS
Figure 2-10. Cable storage compartment.
Chapter 3. ORGANIZATIONAL MAINTENANCE INSTRUCTIONS
Section Ill. INSPECTIONS AND SERVICING
Figure 3-1. Box assembly.
Figure 3-2. Probe storage compartment.
Section IV. PREVENTIVE MAINTENANCE
Section V. OPERATIONAL CHECKOUT OF TESTER AND ACCESSORIES
Check Cable Circuit Continuity Check.
Potentiometer Continuity Check.
Figure 3-5. EGT indicator circuit operation check.
Table 3-2. Troubleshooting
Chapter 4. DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE INSTRUCTIONS
Limited Storage
Section II. CHECKOUT AND ANALYSIS
Trouble Analysis.
Table 4-1. Troubleshooting
Table 4-1. Troubleshooting (Cont)
Section Ill. REPAIR PROCEDURES
BH1766 Printed Circuit Board Assembly and Cable
Figure 4-6. Tester major components.
Repair
Figure 4-7. BH1766 circuit board assembly (sheet 1 of 2).
Figure 4-7. BH1766 circuit board assembly (sheet 2 of 2).
BH1760 Printed Circuit Board Assembly - TM-55-4920-244-140058
Figure 4-8. Deck Assembly (sheet 2 of 4).
Figure 4-8. Deck Assembly (sheet 3 of 4).
Galvanometers (GALVO-1)
Figure 4-8. Deck Assembly (sheet 4 of 4).
Potentiometer (R-1)
Toggle Switch
Connectors - TM-55-4920-244-140065
Figure 4-9. BH146 Takcal assembly (sheet 1 of 2).
Figure 4-9. BH146 Takcal assembly (sheet 2 of 2).
Repair.
Probe Storage Compartment Assembly
Base Assembly
Deck Assembly
Replacement of POWER ON Lamp
Section IV. REASSEMBLY AND ALIGNMENT
BH1760 Printed Circuit Board Assembly - TM-55-4920-244-140074
Potentiometer (C)
Connectors - TM-55-4920-244-140077
RPM check assembly.
Handle Assembly.
Section V. ALPHA-NUMERIC PARTS LIST AND PROBE REFERENCE TABLE
Figure 4-15.
Table 4-2. Alpha-numeric Parts List.
Table 4-2. Alpha-numeric Parts List-Continued. - TM-55-4920-244-140083
Table 4-2. Alpha-numeric Parts List-Continued. - TM-55-4920-244-140084
Table 4-2. Alpha-numeric Parts List-Continued. - TM-55-4920-244-140085
Table 4-2. Alpha-numeric Parts List-Continued. - TM-55-4920-244-140086
Table 4-2. Alpha-numeric Parts List-Continued. - TM-55-4920-244-140087
Table 4-2. Alpha-numeric Parts List-Continued. - TM-55-4920-244-140088
Table 4-3. Probe Reference Table
Table 4-3. Probe Reference Table (Cont)
Appendix A: REFERENCES - TM-55-4920-244-140092
Appendix B: MAINTENANCE ALLOCATION CHART - TM-55-4920-244-140094
Explanation of Format.
Maintenance Allocation Chart for Tester, Exhaust gas Temperature, Part Number
Appendix C: REPAIR PARTS AND SPECIAL TOOLS LIST
Source Code
Maintenance Code. - TM-55-4920-244-140100
Maintenance Code. (Cont)
Recoverability Code.
Explanation of Columns (Sect. IV).
Special Information - TM-55-4920-244-140104
How to locate Repair Parts.
Figure C-1. Tester Assembly (Sheet 1 of 2)
Figure C-1. Tester Assembly (Sheet 2 of 2)
Repair Parts List - TM-55-4920-244-140108
Figure C-2. Box Assembly
Repair Parts List - TM-55-4920-244-140110
Figure C-3. Circuit Board Assembly (Sheet 1 of 2)
Figure C-3. Circuit Board Assembly (Sheet 2 of 2)
Repair Parts List - TM-55-4920-244-140113
Figure C-4. Deck Assembly (Sheet 1 of 4)
Figure C-4. Deck Assembly (Sheet 2 of 4)
Figure C-4. Deck Assembly (Sheet 3 of 4)
Figure C-4. Deck Assembly (Sheet 4 of 4)
Repair Parts List - TM-55-4920-244-140118
Repair Parts List (Cont) - TM-55-4920-244-140119
Repair Parts List (Cont)
Figure C-5. BH146 Takcal Assembly
Repair Parts List - TM-55-4920-244-140122
Figure C-6. BH1760 Printed Circuit Board
Repair Parts List - TM-55-4920-244-140124
Figure C-7. Terminal Board Assemblies
Repair Parts List - TM-55-4920-244-140126
NATIONAL STOCK NUMBER INDEX - TM-55-4920-244-140128
NATIONAL STOCK NUMBER INDEX (Cont) - TM-55-4920-244-140129
Part Number Index
Part Number Index (Cont) - TM-55-4920-244-140131
Part Number Index (Cont) - TM-55-4920-244-140132
Part Number Index (Cont) - TM-55-4920-244-140133
Part Number Index (Cont) - TM-55-4920-244-140134
Part Number Index (Cont) - TM-55-4920-244-140135
FIGURE AND ITEM NUMBER INDEX
FIGURE AND ITEM NUMBER INDEX (Cont) - TM-55-4920-244-140137
FIGURE AND ITEM NUMBER INDEX (Cont) - TM-55-4920-244-140138
FIGURE AND ITEM NUMBER INDEX (Cont) - TM-55-4920-244-140139
FIGURE AND ITEM NUMBER INDEX (Cont) - TM-55-4920-244-140140
FIGURE AND ITEM NUMBER INDEX (Cont) - TM-55-4920-244-140141
TM-55-4920-244-14 Tester Exhaust Gas Temperature Model BH112JA-36 Manual
