TM 5-3820-246-14&P
Table 3-2. Operator Troubleshooting Procedures - CONT.
Malfunction
Test or Inspection
Correctlve Action
ENGINE RUNS BUT TOOL ACTION IS WEAK.
4.
Step 1.
Make sure tool shaft is properly installed (para 2-8c).
Step 2.
Check tip of tool for wear or bluntness.
If problem persists notify unit maintenance.
ENGINE RUNS NORMALLY BUT DRILL ROD DOES NOT TURN.
5.
Step 1.
Make sure proper operation mode has been selected (para 2-8d)
Step 2.
Make sure tool shaft is properly installed (para 2-8c).
Step 3.
Check that tool shaft can not be turned easily CCW.
If tool shaft can be turned easily CCW, the ratchet mechanism is damaged. Turn in to DS
maintenance.
Section III. OPERATOR MAINTENANCE PROCEDURES
a. Use a clean rag (item 8, Appendix E) to remove any buildup of grease and dirt.
b. Use a small brush (item 1, Appendix E), mild detergent (item 3, Appendix E), and water to clean unit.
c. Allow to dry.