TM-9-2350-358-BD
HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A6
TECHNICAL MANUAL; OPERATOR’S, UNIT, AND DIRECT SUPPORT SUPPORT MAINTENANCE
MARCH 1994
TM-9-2350-358-BD - Page 259 of 343
TM 9-2350-358-BD
12-7.
BORE EVACUATOR DAMAGE - CONTINUED
4.
Use acetylene torch to cut two 10 1/2-inch long metal strips at least 1 inch wider than damaged area.
5.
Shape each metal band to fit curve of bore evacuator.
When metal bands are placed around bore evacuator, a
gap between 1/8 to 1/4-inch should exist between halves (see Illustration).
6.
Remove bands from bore evacuator and line inside surface of each band with suitable fire resistant material.
7.
Drill 3/8-inch evenly spaced holes in each end of both bands, set bands in place over damaged area.
8.
Secure bands against bore evacuator with screws, nuts, and lockwashers.
9.
Record the BDAR action taken.
When mission is complete, as soon as practical, repair the equipment/system
using standard maintenance procedures.
Option 2:
Welded patch repair.
Limitations:
None
Personnel/Time Required:
•
2 soldiers
•
1.0 hour
12-7
Back to Top
