Inspection and adjustment of vibration frequency
Frequency measurement should be performed whi-
le the machine is running at maximum RPM with the
engine warmed up to the running temperature and
with hydraulic oil minimum temperature of 50 °C
(122 °F).
The engine should be warmed to running tempera-
ture while you are setting the engine.
Note:
RPM of engines are controlled by ECM (electronic control mod-
ule) of the engine. They are set by the manufacturer and it is nor
necessary to set them again.
Adjust frequency vibration
Place sensor 2 of the instrument 1 to the damping plate of the
drum and measure the frequency.
If the frequency diers from that specied in this manual,
adjust it by means of the adjusting screws on the pump of
vibration.
Adjust with the engine o!!!
ASC 110 D ASC 110 PD
35 (2100) 35 (2100)
32 (1920) 31 (1860)
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