PAVEMENT BREAKER WILL NOT OPERATE.

TM 5-2420-224-20-1

Table 3-5. Troubleshooting (Cont)

Malfunction

Test or Inspection

Corrective Action

BR67 PAVEMENT BREAKER (SEE)

116. PAVEMENT BREAKER WILL NOT OPERATE.

Step 1.

Check for damaged hydraulic lines.

If hydraulic lines are damaged, replace hydraulic lines (page 4-586).

If hydraulic lines are not damaged, go to step 2.

Step 2.

Attempt to operate a different hydraulic tool.

If alternate tool operates, replace pavement breaker.

If alternate tool does not operate, perform Malfunction 76.

117. PAVEMENT BREAKER WILL NOT OPERATE EFFECTIVELY.

Check for damaged hydraulic lines.

If hydraulic lines are damaged, replace hydraulic lines (page 4-586).

If hydraulic lines are not damaged, notify direct support maintenance.

118. PAVEMENT BREAKER OVERHEATS.

Step 1.

Check for low oil level in front hydraulic tank.

If oil level is low, add oil (TM 5-2420-224-10).

If oil level is not low, perform Malfunction 100.

CHAIN SAW (SEE)

119. CHAIN SAW WILL NOT OPERATE.

Step 1.

Check for leaking and damaged hydraulic lines.

If hydraulic lines are leaking or damaged, tighten loose connections

or replace hydraulic lines (page 4-586).

If hydraulic lines are not leaking or damaged, go to step 2.

Step 2.

Attempt to operate a different hydraulic tool.

If alternate tool operates, replace chain saw.

If alternate tool does not operate, perform Malfunction 76.

120. CHAIN SAW CUTS SLOWLY OR NOT AT ALL.

Check for worn and damaged chain.

If chain is worn or damaged, replace chain saw chain (page 4-744).

If chain is not worn or damaged, notify direct support maintenance.

Change 2