Volvo Ingersoll Rand SD-116 TF Series Operator's Manual page 78

SECTION 4
Drum Amplitude Selection
1. Press switch (25, Figure 4-18) to select required drum amplitude setting.
•
•
Drum Vibration Frequency Selection
1. Select frequency by rotating the selector switch
frequency. The dial is marked with the ranges of vibration frequency for
and low
common types of soil.
4-14
Select high amplitude for initial or thick lift soil compaction by depressing switch end
marked .
Select low amplitude for final or thin layer of soil and when soil is loose and granular
by depressing switch end marked
amplitude. Refer to Table below for the natural frequency for
Figure 4-17
.
Figure 4-18
(2,Figure 4-18) to the desired
SD-116F/DX/122D/F/DX/160F/DX/190DX/200F/DX
OPERATING INSTRUCTIONS
high