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TM 5-2420-222-20-3
HYDRAULIC EARTH DRILL BORING HEAD - CONTINUED
ACTION
LOCATION
ITEM
REMARKS
NOTE
If gasket has just been replaced during draining, it may be reused. Otherwise, use new gasket.
28
Gear case (6)
Gasket (9) and
Screw in and tighten using 1 1/8-inch
fill plug (8)
open-end wrench.
29
Drain plug (7)
a.
Screw in and tighten using 5/16-inch
socket-head screw key.
b.
Get rid of drained fluid (page 2-137).
30
Loader backhoe
Hydraulic earth
Operate for 5 minutes
auger attachment
(TM 5-2420-222-10).
2-1877
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