TM-9-2350-311-10
HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5
TECHNICAL MANUAL; OPERATOR’S MANUAL
NOVEMBER 1994
TM-9-2350-311-10 - Page 611 of 775
TM 9-2350-311-10
5-12 MAINTENANCE — CONTINUED
e. Fuzes
1
Inspect fuzes for the following defects.
(a) Damage to body or threads.
(b) Loose components.
2 Return defective fuzes to ammunition supply point (ASP).
f. Ammunition or Components of Ammunition Prepared for Firing, But Not Rammed
1
2
3
4
Return such ammunition to the original condition and packing. Mark appropriately, and use first in
subsequent firings to keep stocks of open packings to a minimum.
Reassemble the supplementary charge and the correct type of lifting plug (with gasket and spacer) to
the projectile to restore to its original condition. Return fuzes to original condition. Return fuzes to original
packing. In reassembling the components, make certain the supplementary charge is properly inserted
(felt pad end innermost).
Remove the projectile spotting charge from the M577 series or M762 fuze and replace the expulsion
charge assembly and fusible or universal lifting plug with gasket to the M483A1 or M864 projectiles.
Replace rocket cap on M549 and M549A1 projectiles.
Reassemble propelling charges prepared for firing and not used. Replace in original containers as
follows.
(a)
(b)
(c)
(d)
g. Unserviceable Ammunition
If increment was removed, reinstall and retie.
Replace igniter protective cap.
Repack charge in container (igniter end first), and close and secure container.
Mark container appropriately and use charge first in subsequent firings.
1
Conspicuously mark unserviceable ammunition or explosive components “UNSERVICEABLE,” and
return to ammunition supply personnel for disposition.
2 Repackage ammunition components in original containers. If original container is unsuitable, use
avaiiable package material and transfer ail markings. All layers of packing must be conspicuously
marked “UNSERVICEABLE.”
5-75
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