Chapter 1. INTRODUCTION - TM-3-6665-302-340008
Chapter 2. FUNCTIONING OF EQUIPMENT
Figure 2-2. M43 detector unit schematic diagram.
Section Il. M42 ALARM UNIT
Chapter 3. DIRECT SUPPORT MAINTENANCE
Figure 3-1. M43 detector unit wiring diagram
Figure 3-2. M43 detector unit schematic diagram.
Figure 3-3. Flow chart procedures
Electronic Module Assembly (1A2A4)
Figure 3-16. M43 Detector unit, exploded view.
Section Ill. M43 DETECTOR UNIT BOTTOM CASE ASSEMBLY (1A1)
Rainshield Assembly Gasket
Figure 3-17. Detector unit assembly, exploded view.
AIR INLET Assembly
Air Inlet Heater Assembly
Figure 3-18. Pump assembly, exploded view.
Installation - TM-3-6665-302-340024
Tubing, Tubing Coupling, and Pin
Terminal Lugs
Figure 3-20. Aligning pump assembly.
Section VI. CHASSIS ASSEMBLY (1A2A2)
Figure 3-21. Chassis assembly, exploded view. - TM-3-6665-302-340029
Tubing
Figure 3-21. Chassis assembly, exploded view. - TM-3-6665-302-340031
Cell Block Preformed Packing
Figure 3-22. Case top assembly, exploded view
Section VII. CASE TOP ASSEMBLY (1A2A5)
Knobs, Boots, and Plunger
Horn and Gasket
Section VIII. ELECTRONIC MODULE ASSEMBLY (Al2A4)
Section IX. M42 ALARM UNIT TROUBLESHOOTING
Disassembly - TM-3-6665-302-340039
Figure 3-25. M42 alarm unit, exploded view
Figure 3-26. Panel assembly, exploded view.
Binding Posts
Battery Retainer Assembly
Chapter 4. GENERAL SUPPORT MAINTENANCE
Gear Assembly Ball Bearings
Figure 4-1. Gear assembly alinement.
Section Il. M43 DETECTOR UNIT CHASSIS ASSEMBLY (1A2A2)
Figure 4-2. Thermal resistor replacement.
Shaft Assembly
Branched Wiring Harness
Figure 4-3. Switch assembly, exploded view.
Figure 4-4. Switch assembly alinement.
Appendix A. REFERENCES - TM-3-6665-302-340053
Figure 3-24. M42 alarm unit troubleshooting chart - TM-3-6665-302-340057
Figure 3-4. M43 detector unit troubleshooting chart
Figure 35. Horn circuit troubleshooting chart.
Figure 3-6. Electronic module troubleshooting chart.
Figure 4-7. Pump assembly troubleshooting chart
Figure 3-8. Meter circuit troubleshooting chart
Figure 3-9. Motor control voltage circuit troubleshooting chart
Figure 310. Reset circuit troubleshooting chart.
Figure 3-11. Inlet heater troubleshooting chart
Figure 3-12.(1) Pneumatic system troubleshooting chart
Figure 3-12.(2) Pneumatic system troubleshooting chart
Figure 3-13. Cold temperature operation troubleshooting chart
Figure 3-14. Flow rate meter troubleshooting chart
Figure 3-15. Zero adjust circuit troubleshooting chart.
Figure 3-24. M42 alarm unit troubleshooting chart - TM-3-6665-302-340071
TM-3-6665-302-34 Detector Unit Chemical Agent Automatic Alarm M43 and Chemical Agent Automatic Alarm M42 Manual
Chapter 2. FUNCTIONING OF EQUIPMENT
Figure 2-2. M43 detector unit schematic diagram.
Section Il. M42 ALARM UNIT
Chapter 3. DIRECT SUPPORT MAINTENANCE
Figure 3-1. M43 detector unit wiring diagram
Figure 3-2. M43 detector unit schematic diagram.
Figure 3-3. Flow chart procedures
Electronic Module Assembly (1A2A4)
Figure 3-16. M43 Detector unit, exploded view.
Section Ill. M43 DETECTOR UNIT BOTTOM CASE ASSEMBLY (1A1)
Rainshield Assembly Gasket
Figure 3-17. Detector unit assembly, exploded view.
AIR INLET Assembly
Air Inlet Heater Assembly
Figure 3-18. Pump assembly, exploded view.
Installation - TM-3-6665-302-340024
Tubing, Tubing Coupling, and Pin
Terminal Lugs
Figure 3-20. Aligning pump assembly.
Section VI. CHASSIS ASSEMBLY (1A2A2)
Figure 3-21. Chassis assembly, exploded view. - TM-3-6665-302-340029
Tubing
Figure 3-21. Chassis assembly, exploded view. - TM-3-6665-302-340031
Cell Block Preformed Packing
Figure 3-22. Case top assembly, exploded view
Section VII. CASE TOP ASSEMBLY (1A2A5)
Knobs, Boots, and Plunger
Horn and Gasket
Section VIII. ELECTRONIC MODULE ASSEMBLY (Al2A4)
Section IX. M42 ALARM UNIT TROUBLESHOOTING
Disassembly - TM-3-6665-302-340039
Figure 3-25. M42 alarm unit, exploded view
Figure 3-26. Panel assembly, exploded view.
Binding Posts
Battery Retainer Assembly
Chapter 4. GENERAL SUPPORT MAINTENANCE
Gear Assembly Ball Bearings
Figure 4-1. Gear assembly alinement.
Section Il. M43 DETECTOR UNIT CHASSIS ASSEMBLY (1A2A2)
Figure 4-2. Thermal resistor replacement.
Shaft Assembly
Branched Wiring Harness
Figure 4-3. Switch assembly, exploded view.
Figure 4-4. Switch assembly alinement.
Appendix A. REFERENCES - TM-3-6665-302-340053
Figure 3-24. M42 alarm unit troubleshooting chart - TM-3-6665-302-340057
Figure 3-4. M43 detector unit troubleshooting chart
Figure 35. Horn circuit troubleshooting chart.
Figure 3-6. Electronic module troubleshooting chart.
Figure 4-7. Pump assembly troubleshooting chart
Figure 3-8. Meter circuit troubleshooting chart
Figure 3-9. Motor control voltage circuit troubleshooting chart
Figure 310. Reset circuit troubleshooting chart.
Figure 3-11. Inlet heater troubleshooting chart
Figure 3-12.(1) Pneumatic system troubleshooting chart
Figure 3-12.(2) Pneumatic system troubleshooting chart
Figure 3-13. Cold temperature operation troubleshooting chart
Figure 3-14. Flow rate meter troubleshooting chart
Figure 3-15. Zero adjust circuit troubleshooting chart.
Figure 3-24. M42 alarm unit troubleshooting chart - TM-3-6665-302-340071
TM-3-6665-302-34 Detector Unit Chemical Agent Automatic Alarm M43 and Chemical Agent Automatic Alarm M42 Manual
