Lesson 1 Describe the M157 Smoke Generator System and the Purposes
Introduction - cm3305a0008
Figure 1-1. Components of the M157 Smoke Generator Set
Figure 1-2. M1059 and M157/M998 Smoke Generator Systems
Figure 1-3. Nozzle assembly
Figure 1-5. Nozzle clamp assembly
Figure 1-6. Ignitor
Figure 1-7. Cover assembly, inside view
Figure 1-9. Frame assembly
Figure 1-10. Fog oil tank assembly
Figure 1-11. Fog oil pump assembly
Figure 1-12. Air compressor assembly
Figure 1-13. Control panel assembly
Figure 1-14. Temperature indicator and temperature ranges
Large-Area Smoke Screens - cm3305a0021
Deceptive Screens - cm3305a0022
Deceptive Screens - cm3305a0023
Wind speed
Figure 1-15. Wind directions
Fuel and Fog Oil Supply
Figure 1-16. Four phases of a smoke cloud
Part D: Identify the Uses of Smoke and Discuss the Imprtance of Cover and Concealment
Screening Smoke
Smoke Planning
Smoke support of offensive operations
Figure 1-18. Smoke support of an assault
Figure 1-19. Smoke support of a support unit area
Smoke support of offensive operations cont'd
Figure 1-20. Smoke support of a river-crossing operation
Figure 1-21. Smoke support of an obstacle-breaching operation
Smoke support of defensive operations
Figure 1-23. Smoke support in execution of the defense
Smoke support of defensive operations cont'd
Figure 1-24. Smoke support of a passage of lines
Lesson 1 Practice Exercise - cm3305a0041
Lesson 1 Practice Exercise cont'd - cm3305a0042
Lesson 1 Practice Exercise cont'd - cm3305a0043
Lesson 1 Practice Exercise Answer Key and Feedback - cm3305a0044
Lesson 2 Perform Operator Maintenance on the M157 Smoke Generator System
Part A - Perform Operator Maintenance on the M54 Smoke Generator
Figure 2-1. Removal of the engine head assembly
Engine Head Assembly cont'd
Figure 2-2. Removal of carbon deposits from the valve seating face
Cover Assembly
Strainer
Figure 2-3. Fog oil tank assembly
Figure 2-4. Strainer assembly
Part D: Perform Operator Maintenance on the Air Compressor Assembly
Figure 2-5. Air compressor
Figure 2-6. Air tank purge valve
Part E: Perform Operator Maintenance on the Control Panel
Figure 2-7. Control panel
Lesson 2 Practice Exercise - cm3305a0059
Lesson 2 Practice Exercise cont'd - cm3305a0061
Lesson 2 Practice Exercise Answer Key and Feedback - cm3305a0062
Lesson 3 Operate the M157 Smoke Generator System
Refueling Procedures
Before-operation Checks - cm3305a0065
On-Board Spares
Part B - Start the M157 Smoke Generator System and Perform During-Operation Checks
Figure 3-3. Sequence of starting procedures
Part C - Stop the M157 Smoke Generator System and Perform After-Operation Checks
Figure 3-4. Sequence of stopping procedures
Engine Head Assembly
Table 3-1. Fog oil-kerosene mixtures
Starting Procedures cont'd
Stopping Procedures - cm3305a0074
Starting Procedures
Stopping Procedures - cm3305a0076
Figure 3-6. Starting and stopping procedures under extreme heat conditions
Lesson 3 Practice Exercise - cm3305a0078
Lesson 3 Practice Exercise cont'd - cm3305a0079
Lesson 3 Practice Exercise Answer Key and Feedback - cm3305a0080
Lesson 4 Perform Operator Troubleshooting Procedure
Introduction - cm3305a0082
Figure 4-1. Connector 2J1 at the air compressor
Part B - Perform Operator - Level Troubleshooting Procedure
Figure 4-3. Connector 5J1 at the smoke generator cover assembly
Figure 4-4. Vehicle adapter assembly
Figure 4-5. Connectors 1J3 and 1J4 at the control panel
Part C - Perform Operator-Level Troubleshooting Procedure When the Engine Will Not Start
Part C - Perform Operator-Level Troubleshooting Procedure When the Engine Will Not Start cont'd
Part D - Perform Operator-Level Troubleshooting Procedures When Circuit Breaker CB1 Moves
Figure 4-6. Connector 6J3 at the fog oil pump assembly
Figure 4-7. Connector 1J5 at the control panel assembly
Part E - Perform Operator-Level Troublrshooting Procedures When the Engifne Runs Erratically
Part G - Perform Operator-Level Troubleshooting Procedures When the Engine Overheats
Lesson 4 Practice Exercise - cm3305a0095
Lesson 4 Practice Exercise cont'd - cm3305a0097
Lesson 4 Practice Exercise Answer Key and Feedback - cm3305a0098
Glossary and Symbols
Operational
Friendly Units
Operation, Maintenance, and Troubleshooting of the M157 Smoke Genarator System
Introduction - cm3305a0008
Figure 1-1. Components of the M157 Smoke Generator Set
Figure 1-2. M1059 and M157/M998 Smoke Generator Systems
Figure 1-3. Nozzle assembly
Figure 1-5. Nozzle clamp assembly
Figure 1-6. Ignitor
Figure 1-7. Cover assembly, inside view
Figure 1-9. Frame assembly
Figure 1-10. Fog oil tank assembly
Figure 1-11. Fog oil pump assembly
Figure 1-12. Air compressor assembly
Figure 1-13. Control panel assembly
Figure 1-14. Temperature indicator and temperature ranges
Large-Area Smoke Screens - cm3305a0021
Deceptive Screens - cm3305a0022
Deceptive Screens - cm3305a0023
Wind speed
Figure 1-15. Wind directions
Fuel and Fog Oil Supply
Figure 1-16. Four phases of a smoke cloud
Part D: Identify the Uses of Smoke and Discuss the Imprtance of Cover and Concealment
Screening Smoke
Smoke Planning
Smoke support of offensive operations
Figure 1-18. Smoke support of an assault
Figure 1-19. Smoke support of a support unit area
Smoke support of offensive operations cont'd
Figure 1-20. Smoke support of a river-crossing operation
Figure 1-21. Smoke support of an obstacle-breaching operation
Smoke support of defensive operations
Figure 1-23. Smoke support in execution of the defense
Smoke support of defensive operations cont'd
Figure 1-24. Smoke support of a passage of lines
Lesson 1 Practice Exercise - cm3305a0041
Lesson 1 Practice Exercise cont'd - cm3305a0042
Lesson 1 Practice Exercise cont'd - cm3305a0043
Lesson 1 Practice Exercise Answer Key and Feedback - cm3305a0044
Lesson 2 Perform Operator Maintenance on the M157 Smoke Generator System
Part A - Perform Operator Maintenance on the M54 Smoke Generator
Figure 2-1. Removal of the engine head assembly
Engine Head Assembly cont'd
Figure 2-2. Removal of carbon deposits from the valve seating face
Cover Assembly
Strainer
Figure 2-3. Fog oil tank assembly
Figure 2-4. Strainer assembly
Part D: Perform Operator Maintenance on the Air Compressor Assembly
Figure 2-5. Air compressor
Figure 2-6. Air tank purge valve
Part E: Perform Operator Maintenance on the Control Panel
Figure 2-7. Control panel
Lesson 2 Practice Exercise - cm3305a0059
Lesson 2 Practice Exercise cont'd - cm3305a0061
Lesson 2 Practice Exercise Answer Key and Feedback - cm3305a0062
Lesson 3 Operate the M157 Smoke Generator System
Refueling Procedures
Before-operation Checks - cm3305a0065
On-Board Spares
Part B - Start the M157 Smoke Generator System and Perform During-Operation Checks
Figure 3-3. Sequence of starting procedures
Part C - Stop the M157 Smoke Generator System and Perform After-Operation Checks
Figure 3-4. Sequence of stopping procedures
Engine Head Assembly
Table 3-1. Fog oil-kerosene mixtures
Starting Procedures cont'd
Stopping Procedures - cm3305a0074
Starting Procedures
Stopping Procedures - cm3305a0076
Figure 3-6. Starting and stopping procedures under extreme heat conditions
Lesson 3 Practice Exercise - cm3305a0078
Lesson 3 Practice Exercise cont'd - cm3305a0079
Lesson 3 Practice Exercise Answer Key and Feedback - cm3305a0080
Lesson 4 Perform Operator Troubleshooting Procedure
Introduction - cm3305a0082
Figure 4-1. Connector 2J1 at the air compressor
Part B - Perform Operator - Level Troubleshooting Procedure
Figure 4-3. Connector 5J1 at the smoke generator cover assembly
Figure 4-4. Vehicle adapter assembly
Figure 4-5. Connectors 1J3 and 1J4 at the control panel
Part C - Perform Operator-Level Troubleshooting Procedure When the Engine Will Not Start
Part C - Perform Operator-Level Troubleshooting Procedure When the Engine Will Not Start cont'd
Part D - Perform Operator-Level Troubleshooting Procedures When Circuit Breaker CB1 Moves
Figure 4-6. Connector 6J3 at the fog oil pump assembly
Figure 4-7. Connector 1J5 at the control panel assembly
Part E - Perform Operator-Level Troublrshooting Procedures When the Engifne Runs Erratically
Part G - Perform Operator-Level Troubleshooting Procedures When the Engine Overheats
Lesson 4 Practice Exercise - cm3305a0095
Lesson 4 Practice Exercise cont'd - cm3305a0097
Lesson 4 Practice Exercise Answer Key and Feedback - cm3305a0098
Glossary and Symbols
Operational
Friendly Units
Operation, Maintenance, and Troubleshooting of the M157 Smoke Genarator System
