TM 5-3895-382-24
Eccentric Weight Cross Section (High Amplitude).
(6) Steel shot.
Eccentric weight (1) and (2) are loaded with steel shot (6).
When the vibratory selection switch is placed in the high
amplitude mode, the eccentric weight rotates in one direction.
The steel shot is captured in one side of the weight
compartment as shown above.
The weight of the steel shot in this position increases the
natural eccentricity of the weight. This causes the drum
assembly to vibrate in the high amplitude mode.
Eccentric Weight Cross Section (Low Amplitude).
(6) Steel shot.
When the vibratory selection switch is placed in the low
amplitude mode, the eccentric weight rotates in the opposite
direction. This causes steel shot (6) to be captured in the
opposite side of the weight compartment as shown above.
The weight of the steel shot in this position offsets the natural
eccentricity of the weight. This causes the drum assembly to
vibrate in the low amplitude mode.
13-9
