Volvo Ingersoll Rand SD-116 TF Series Operator's Manual page 79

OPERATING INSTRUCTIONS
TYPES OF SOIL
Sand
Sand
Sandy Gravel
Clay (Padfoot)
Silt
Silt
Drum Vibration Auto/Manual Selection (Optional)
1. If available, select Auto or Manual vibration mode by pressing switch (24,
Figure 4-18).
NOTE: In Auto Mode, vibration will start when the machine reaches a speed of
approximately 0.8 km/h (0.5 mph). Drum vibration must be On. See Drum
Vibration On/Off Selection.
Drum Vibration On/Off Selection
1. Press button switch (14,Figure 4-19) on the propulsion control lever to turn On
drum vibration. Press again to turn drum vibration Off.
Only switch on drum vibration while unit is in motion. Always switch off
vibration before machine comes to a halt and never allow machine to
vibrate when stationary.
SD-116F/DX/122D/F/DX/160F/DX/190DX/200F/DX
Table 1:
Uniformly Graded
Wet
Dry
Firm
Loose
Figure 4-19
NATURAL FREQUENCY
1400-1900 vpm
1300 vpm
1500-1700 vpm
1200 vpm
1500 - 1700 vpm
1300 - 1900 vpm
SECTION 4
23-32 Hz
22 Hz
21 - 25 Hz
20 Hz
25 - 28 Hz
22 - 32 Hz
4-15