Table 3-1. Troubleshooting Table - Continued.
TEST OR INSPECTION
15. VIBRATORS WILL NOT VIBRATE IN AUTOMATIC.
Step 1. Check operation of screed vibrators with screed vibrator switch in Manual position per paragraph
If the screed vibrators fail to work in the manual operating mode, refer to malfunction 14.
Step 2. Check position of the screed vibration control valve.
Reposition the screed vibration control valve as necessary to achieve the desired speed per
paragraph 2.2.2. Turn the control valve clockwise to increase speed and counterclockwise to
Step 3. Check the position of the control handles.
Move both control handles out of the center, neutral, position per paragraph 2.1.1. If vibration
is desired but paving machine motion is not desired, run the screed vibrators in manual.
Step 4. Check operation of control handles with the travel switch in the forward/reverse position.
If the control handles fail, check circuit breaker CBI 1. If CB I is tripped, reset it. If CB1 is not
tripped, inform supervisor of problem.
Step 5. If screed vibration control valve setting, control handle positions, and control handle operation are OK,
inform supervisor of problem.