OPERATING INSTRUCTIONS SECTION 4
DD-29/31HF/38HF Vibratory Asphalt Compactors 4-15
7. Press Vibration ON/OFF switch (15, Figure 4-23). If vibration does not begin
when machine reaches ½ mph., press the switch again.
Figure 4-23
Using Vibration Controls: Operating the Machine Using Manual Vibration.
NOTICE
Asphalt mat damage.
With the engine running and the vibration switch on, the machine will
vibrate.
DO NOT vibrate with the machine stationary.
1. Position the water spray switch (3, Figure 4-24) at the desired setting for
Manual, OFF or Auto drum spray.
2. Press the right side of vibration switch (1, Figure 4-24) to select Auto Vibration.
3. Place the drum selector switch (2, Figure 4-24) to front drum vibration.