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 234 of 343
TM 9-2350-358-BD
11-11. HYDRAULIC TUBE AND HOSE REPAIR (HIGH PRESSURE) - CONTINUED
Personnel/Time Required:
•
1 soldier
•
0.5-2.0hours
Materials/Tools:
•
Nipple, tube, straight, 1/4, 3/8, 1/2, 5/8, 3/4-inch determined by size (item 40, 41, 42, 43, 44, Appendix C)
•
Packing, preformed, kit (item 42, Appendix C)
•
Tube, fitting kit 1/4, 3/8, 1/2, 5/8, 3/4-inch determined by size (item 69, 70, 71, 72, 73, Appendix C)
•
Hydraulic fluid (item 36, Appendix C)
•
High pressure tubing (scavenge from available source)
•
Tube cutter
References:
•
LO 9-2350-314-12
•
TM 9-2350-314-20-2-2
Procedural Steps:
1.
Cut out damaged section of tube.
2.
Determine size of tube Select two nipples and four tube fitting kits required.
3.
Measure length of replacement section of tube, see Option 2 (high pressure tube fabrication) for measuring and
cutting instructions.
4.
Install nut ferrule and sleeve from fitting kit one each end or measured piece tube.
5.
Install one nut, ferrule and sleeve on each end of original high pressure tube.
6.
Install two preformed packings, one In the face groove on each end of the nipple.
7.
Install one nipple straight tube in each nut on original high pressure tube.
8.
Install replacement tube section onto original high pressure tube.
11-16
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