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 233 of 343
TM 9-2350-358-BD
11-11. HYDRAULIC TUBE AND HOSE REPAIR (HIGH PRESSURE) - CONTINUED
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 45, 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)
•
Tube cutter
References:
•
LO 9-2350-314-12
•
TM 9-2350-314-20-2-2
Procedural Steps:
1.
Cut out damaged section of tube.
Do not exceed 1/2-inch.
2.
Determine size of tube Select nipple and tube fitting kit required for repair.
3.
Pre-set fitting kits to nipple using instruction in Option 2.
4.
Disconnect fitting kits from nipple.
5.
Install two preformed packings, one in the face grove on each end of the nipple.
6.
Reconnect fitting kits to nipple until a sharp increase in resistance is felt (approximately 1/4 turn beyond hand
tight).
7.
Fill and bleed hydraulic system.
8.
Record the BDAR action taken When mission is complete, as soon as practical, repair the equipment/system
using standard maintenance procedures.
Option 4:
High pressure tubing repair large damage (above 1/4-inch).
Limitations:
None
11-15
Back to Top
