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TM 5-2420-222-20-3
HYDRAULIC EARTH DRILL BORING HEAD - CONTINUED
TASK ENDS HERE
HYDRAULIC IMPACTOR LINES AND FITTINGS
This task covers:
a. Removal (page 2-1880)
d.
Inspection/Replacement (page 2-1881)
b. Disassembly (page 2-1880)
e.
Assembly (page 2-1882)
c. Cleaning (page 2-1880)
f.
Installation (page 2-1882)
INITIAL SETUP
Tools
Materials/Parts - Continued
Container, flexible, 1-gallon
Solvent, drycleaning (item 28, Appendix C)
Knife, pocket
Tags, marking (item 30, Appendix C)
Wrench, open-end, 1-inch
Wrench, open-end, 1/8-inch
Personnel Required
Wrench, open-end, 1 1/4-inch
(two required)
One
Wrench, open-end, 1 1/2-inch
Equipment Condition
Materials/Parts
Hydraulic impactor removed
Detergent, GP (item 7, Appendix C)
(TM 5-2420-222-10)
Packing, elbow (two required)
Rags, wiping (item 21, Appendix C)
TA243637
2-1879
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