9-8 OM ET18/20/24 us 1.3 * et18_20_24t900.fm
9
9.10 Coolant
Compound table
9.11 Noise emissions
Measurements performed on asphalted surface.
Outside temperature
1
1. Use the 1:1 concentration for warm outside temperatures, too, to ensure protection against corrosion,
cavitation and deposits.
Water Coolant
2
2. Do not mix the coolant with other coolants.
Up to °C (°F)
% by vol-
ume
% by volume
−37 (−34.6) 50 50
ET 18 ET 20 ET 24
(Yanmar 3TNV76-SNSE12)
Measured sound power level
LwA
1
1. According to ISO 6395 (EC Directives 2000/14/EC and 2005/88/EC)
92.8 dB (A) 92.8 dB (A) 92.8 dB (A)
Guaranteed sound power level
LwA
1
93 dB (A) 93 dB (A) 93 dB (A)
Uncertainty factor KpA
2
2. According to EN ISO 4871 (EC Directives 2000/14/EC and 2005/88/EC)
0.8 0.8 0.8
Operator-perceived sound pres-
sure level LpA
3
3. According to ISO 6394 (EC Directives 84/532/EEC, 89/514/EEC, 95/27/EEC)
75.8 dB (A) 75.8 dB (A) 75.8 dB (A)
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