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 123 of 775
TM 9-2350-311-10
Item
No.
20
Interval
Before
Table 2-1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES
FOR M109 SELF-PROPELLED HOWITZER - CONTINUED
Location
Item to Check/
Service
Breechblock
(Cont)
Crewmember
Procedure
CANNONEER NO. 1
b. Lubricate breechblock and breech ring threads
(3) with a light coating of CLP (item 8, Appx D).
When weapon is not being fired or inspected,
keep breechblock closed to prevent damage
from tension on adjuster leaf springs.
c. Inspect breechblock detent (6) for distortion
and wear. If worn, notify unit maintenance.
Not Fully Mission
Capable If:
Change 2
2-37
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