TM-9-2350-311-20-2

TM 9--2350--311--20--2

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Change 2

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REPORTING EQUIPMENT IMPROVEMENT RECOMMENDATIONS (EIR)

If your howitzer needs improvement, let us know. Send us an EIR. You, the user, are the only one who can tell us what you

don’t like about your equipment. Let us know why you don’t like the design or performance. Put it on a SF 368 (Product

Quality Deficiency Report). Mail it to: Commander, U.S. Army Armament Research, Development and Engineering Cen-

ter, ATTN: AMSTA--AR--QAW--A (R)/Customer Feedback Center, Rock Island, IL 61299--7300.

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WARRANTY INFORMATION

The M109 howitzer series is no longer warranted.

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SAFETY, CARE, AND HANDLING

WARNING

Nuclear, Biological, and Chemical (NBC) agents can kill you. If NBC exposure is suspected, all air

filter media must be handled by personnel wearing full NBC protective equipment (FM 3--4).

WARNING

The M1A1 collimator is radioactively illuminated. Check for presence of illumination and damage.

If discovered broken, damaged, or defective, follow the procedures on page b.

The M140 alinement device is radioactively illuminated. Check for loss of luminescence, break-

age, damage, or defects. If present, follow the procedures on page b.

a. Deleted.

b. Prior to purging or charging, make the following checks:

Lift cover assembly and check for cracks or loss of illumination.

Look through objective end of collimator and check for broken/cracked reticle and loss of illumination. If re-

ticle is intact, no cracks are observed, and collimator is illuminated, proceed with maintenance actions.

If cracks are observed, but collimator is still illuminated, remove collimator scope and notify the local Radi-

ation Protection Officer (RPO). Seal collimator scope in a double plastic bag (item 5, Appx D) and return it to

depot for disposal.

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