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 716 of 775
TM 9-2350-311-10
G-3 LUBRICATION INSTRUCTIONS — CONTINUED
5. CANNON BORE (C). — CONTINUED
b. Day After Firing. — Continued
2 Attach bore brush to cleaning staff section.
3 Wet Punch. Wet punch the cannon tube following the procedures for “Day of Firing.”
4 Dry Punch. Wrap the bore brush with a new disposable cleaning sleeve and dry punch the entire length
of the cannon tube once forward and back. Remove and dispose of the cleaning sleeve.
5 Wet Punch. Wrap the bore brush with a new disposable cleaning sleeve. Pour half of the pre-measured
bottle contents onto cleaning sleeve. Wet punch the entire length of the cannon tube once forward and
once back. Remove and dispose of cleaning sleeve.
6 Repeat step 5 with last half of bottle contents.
NOTE
Step c. applies to cleaning, lubricating, and preserving of both breech and bore evacuator.
c. After Firing is Completed.
1
2
3
4
5
6
7
G-12
The following items are needed from the cleaning and preservative artillery kit (item 21, Appx D):
1 spray top bottle with CLP (item 8, Appx D)
1 bore evacuator brush
1 primer cleaning brush
Rags from general supply (item 35, Appx D)
NOTE
Shake the liter bottle well before each use.
Thoroughly wet all breech components with CLP. Let soak for 10-15 minutes and then wipe off. Reapply
a light coat of CLP.
Spray CLP from the liter bottle onto all exposed metal surfaces.
Disassemble bore evacuator (item 14, Appx G).
NOTE
Bore evacuator brush (item 7, Appx D) maybe substituted for bore evacuator brush from the
cleaning and preservative artillery kit (item 21, Appx D) to clean the bore evacuator.
Thoroughly wet the bore evacuator with CLP and scrub using bore evacuator brush.
Apply CLP to primer chamber and thoroughly brush with primer cleaning brush.
Thoroughly wet lock pin with CLP and wipe off all carbon and firing residue. Reapply a light coat of CLP.
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