TM-9-2350-311-20-2
HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5
TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL FOR CAB, ARMAMENT, SIGHTING AND FIRE CONTROL, ELEVATING AND TRAVERSING SYSTEMS AND ASSOCIATED COMPONENTS
DECEMBER 1993
TM-9-2350-311-20-2 - Page 118 of 828
TM 9–2350–311–20–2
3–9
Verify fault is corrected.
Continue normal opera-
tions.
1.
Remove and inspect leaf springs (para 5–6).
2.
Replace damaged or fatigued leaf springs
(para 5–6).
3.
Attempt to close breech (TM 9–2350–311–10).
Does breech close completely?
yes
no
1.
Remove and inspect obturator pad. Replace if
necessary (para 5–7).
2.
Attempt to close breech (TM 9–2350–311–10.
Does breech close completely?
Verify fault is corrected.
Continue normal opera-
tions.
yes
no
CONTINUED ON NEXT PAGE
Adjust closing spring tension at leaf spring adjuster
(TM 9–2350–311–10).
Does leaf spring adjuster rotate past third notch?
If timing marks aline,
breech is fully closed. If
not, go to para 5–12.
yes
no
CONTINUED FROM STEP A OR B
C
D
E
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