TM 5-3820-246-14&P
Table 4-3. Unit Troubleshooting Procedures CONT.
Malfunction
Test or inspection
Corrective Action
ENGINE
SUDDEN INCREASE IN ENGINE SPEED.
6.
CYLINDER COVER
REMOVED FOR CLARITY
Check for overload due to bit catching in cracks in stone.
Step 1.
Check for damaged air hose (1) or air guide (2).
Step 2.
Replace air hose or air guide (para 4-15).
Step 3.
Visually check tool for bent or cracked shaft.
Replace tool (para 2-8c).
Step 4.
Drain fuel tank (para 3-5) and refill with proper fuel mix (para 2-8b).
If problem persists notify DS maintenance.
4-17