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 251 of 343
TM 9-2350-358-BD
11-15. BYPASSING FAILED COMPONENTS - CONTINUED
1.
Disconnect the hydraulic supply line from the reservoir to the manual elevation hand pump at the reservoir
bulkhead tee.
2.
Using a 1/4-inch cap, cap the tee in step 1.
3.
Install a 1/4-inch straight adapter into the line disconnected in step 1.
4.
Connect a 7/16-inch hose onto the straight adapter in step 3.
5.
Submerge the hose from step 4 into a utility pail fill with clean hydraulic fluid.
6.
Record the BDAR action taken.
When mission is complete, as soon as practical, repair the equipment/system
using standard maintenance procedures.
Option 5:
Manual elevation and equilibration hand pumps inoperative (hydraulic reservoir damaged no hydraulic
fluid).
Limitations:
•
No hydraulic system pressure.
•
All functions must be done manually.
Personnel/Time Required:
•
1 soldier
•
0.5-1.0 hour
Materials/Tools:
•
Cap tube 1/4-inch (item 5, Appendix C)
•
Nipple tube, straight 1/4-inch (item 40, Appendix C)
•
Hose 7/16-inch ID 4 feet long (scavenge from available source)
•
Pail, utility
•
Hydraulic fluid (Item 36, Appendix C)
References:
TM 9-2350-314-20-2-2
Procedural Steps:
11-33
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