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TM 5-2420-222-20-3
HYDRAULIC EARTH DRILL AUGER - CONTINUED
ACTION
LOCATION
ITEM
REMARKS
CLEANING - CONTINUED
5.
All other parts
a.
Clean in drycleaning solvent.
b.
Using clean, dry rags, wipe dry.
INSPECTION/REPLACEMENT
NOTE
For more information on how to inspect parts, go to General Maintenance
Instructions (page 2-137).
Replace defective parts as needed.
6.
All threaded parts
Look for damaged threads.
7.
All metal parts
Look for cracks, breaks, and abnormal bends.
INSTALLATION
8.
Boring head (1)
Earth Auger (2)
With aid of assistant, place in position.
9.
Boring head (1)
Shear bolt (3) and
a.
Have assistant aline pin holes in
and earth auger (2)
nut (4)
auger (2) and head (1).
b.
Screw together and tighten using
3/4-inch drive socket, and ratchet handle.
10.
Boring head (1)
Setscrew (5)
Screw in and tighten using 3/4-inch,
and earth auger (2)
3/8-inch drive socket and ratchet handle.
2-1868
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