Dawson EMV 550 Owner's Manual page 12

Saddle
Assembly
with Swivel
Flow Regulator
and Sequence
Valve
Hydraulic
Drive Motor
f h
12
f c
f v
f v
F c
Motion of a pair of eccentrics
Corresponding Sinusoide
gearbox
f h
f c
1
no.
excavator mounted vibrator
Gearbox
containing
accentric
weights
Transport
Stand
drive gear
eccentric
weight
direction of
motion
resulting
direction
of force
Time
2
no.