TM 5-2420-232-10
0054
PAVEMENT BREAKER ROCK DRILL TROUBLESHOOTING PROCEDURES
0054
Breaker Does Not Run
00054
Step 1. Oil level too low in hydraulic tank.
Fill hydraulic tank to proper level (WP 0017).
Step 2. Operating pressure too low.
Ensure machine is at correct engine rpm.
Step 3. Check if couplers or hoses are blocked at ports.
Remove restriction.
Step 4. Check if hoses are crimped or crushed.
If found, notify Field Maintenance.
Step 5. If breaker remains inoperative, notify Field Maintenance.
Breaker Operates Slowly
00054
Notify Field Maintenance.
Impact Force Too Low
00054
Notify Field Maintenance.
Breaker Does Not Hit Effectively
00054
Step 1. Check if couplers or hoses are blocked at ports.
Remove restriction.
Step 2. If breaker remains ineffective, notify Field Maintenance.
END OF WORK PACKAGE