1. M40 GAS MASK

2. M40 Field Protective Mask
Individual protection against
chemical and biological agents

3. M40 FPM Characteristics No protection against industrial gases
Allows the capability of drinking
Available in three sizes

4. Components of the M40 FPM

5. COMPONENTS Face piece assembly Eye lenses Carrier M 1 Water proof bag
Hood
Face form
Canister

6. Accessories of the M40 FPM

7. Accessories Optical Inserts M8 Paper M1 Canteen Cup
M258A1/M291 Decon Kit
Optical inserts

8. Inspection & Maintenance
Individual responsibility:
Face piece Assembly
Head Harness
Eye lenses and Outserts

9. Hood and Canisters
Outlet Valve Disk and Cover
Internal/External Drink Tubes
Airflow Deflector
Inlet Valve

10. Nose Cup Assembly
Voice meter
Carrier
Waterproof Bag
Optical Inserts (If issued)

11. FILTER ELEMENTS

12. M40 Filter Standard NATO Threads Left or Right Side Facepiece Assembly
Can be changed while wearing

13. Initial Fitting Face piece Position Temple Straps Pupils Centered
Nose cup does not obscure vision
If hard to fit, try another size

14. DONNING & CLEARING

15. Donning & Clearing
Stop Breathing
Close Your Eyes
Remove mask

16. Chin First
Cover Valve
Breath Out
9 Seconds w/o hood
15 Seconds with hood

17. DRINKING SYSTEM

18. Use M8 Paper Decon with M258A1 Kit: Recheck with M8 Paper
Drinking Tube
M1 Canteen Cap
Recheck with M8 Paper

19. Grasp internal drinking tube
Pull quick disconnect coupling
Attach to M 1 Cap
Create positive pressure
Raise & invert canteen

20. WASHING THE M40 FPM

21. Washing Wash mask anytime it is needed Use soft cloth and brush
Remove components needed
Rinse and cloth dry

22. REVIEW