D20x22 Series II Navigator HDD
Preparation 40-7
Sound and Vibration Levels
Tier 3/Stage IIIA engine
Equivalent Continuous A-Weighted Sound Pressure as specified by ISO 6394
at Operator’s Ear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 dB(A)
at Control Station at rear of machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92 dB(A)
Guaranteed Sound Power Level as determined by directive 2000/14/EC . . . . . . . . . . . . . . . . 108 dB(A)
The stated sound levels are representative for a given operating condition. Operating conditions may
vary at each jobsite. The actual sound levels for your application and operating conditions may be different.
Tier 4 Interim/Stage IIIB engine
Hand/Arm Vibration Level as determined by ISO 5349 . . . . . . . . . . . . . . . . . . . . . . less than 2.5 m/s
2
Whole Body Vibration Level as determined by ISO 2631-1 . . . . . . . . . . . . . . . . . . . . .less than 0.5 m/s
2
Equivalent Continuous A-Weighted Sound Pressure as specified by ISO 6394
at Operator’s Ear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86.5 dB(A)
Guaranteed Sound Power Level as determined by directive 2000/14/EC . . . . . . . . . . . . . . . . 106 dB(A)