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Don't suffer buffer confusion.

Some M240 gunners and repairmen are confused about what to look for when inspecting the buffer. No need to suffer buffer confusion. Make these changes to the TMs so you'll know what to look for:

TM 9-1005-313-10

WP 0020 00-7, Item 3:

Under procedures, add "Check buffer housing for peening, cracking or damage to include finish missing from the stop above the buffer. Cheek buffer shaft for bends, mushrooming, peening and cracks on the face. Cheek shaft for oil residue. Work the buffer assembly to check for fluid leakage. Buffer shaft should depress smoothly without chatter and return promptly when released."

In the NFMC column, add: "Brier housing is peened, cracked or damaged. Buffer shaft is bent, mushroomed, peened or cracked. More than 1/8 inch of finish is missing from top edge of buffer housing stop. Buffer shaft actuates roughly or fails to return to full extended position. Buffer leaking around shaft."

TM 9-1005-313-23&P

WP 0007-00-3, Item 3b: Under procedures, add the same words that were added to the-10 above.

WP 0012 00-2: At the end of INSPECT/REPAIR, add "If buffer/buffer housing assembly is damaged or buffer shows signs of leakage, evacuate to Direct Support."

WP 0028 00-5: At the end of INSPECT/REPAIR, add "M240B and N, check backplate body for damage/cracks, peening to stop above buffer shaft or finish missing from stop. Check buffer for signs of leakage, shaft damage and presence of screw plug in rear.

"If damage to the backplate exists to include more than 1/8 inch of the finish missing from the stop, replace the buffer assembly.

"If the buffer itself shows damage or signs of leakage and the stop shows less than 1/8 inch of finish missing, replace the hydraulic buffer and touch up the stop with solid film lubricant to restore a visual reference point for future wear to the stop."

For more information, see TACOM maintenance advisory message 06-038.

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Title Annotation:M240-Series Machine Gun ...
Publication:PS, the Preventive Maintenance Monthly
Date:Jan 1, 2007
Words:326
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