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TM 5-2420-222-20-1
ORGANIZATIONAL TROUBLESHOOTING - CONTINUED
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
28. HYDRAULIC EARTH DRILL OVERHEATS
Check hydraulic earth drill bleed oil line (1) for sharp bends and kinks.
a. If oil line (1) has sharp bend or kink, replace (page 2-1550).
b. If oil line (1) does not have sharp bend or kink, replace hydraulic earth drill boring head (page 2-
1870).
2-136
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