The Level Of External Noise Of Tractor; The Level Of Internal Sound Of Tractor; The Level Of Vibrations On Driver´s Seat - Zetor CRYSTAL Series Operator's Manual

The level of external noise of tractor

The exposition to the effects of high levels of noise for a longer period of time may lead to
hearing disorders or deafness. Protect your hearing with protective means, e.g. headphones, ear
plugs etc.
Resulting levels of noise when measuring noise for hearing of a person near a tractor. Based on European
directive 2009/63/EC - Amendment VI.
Model
Travel speed
Tractor noise levels when travelling
dB
Tractor noise levels when standing
dB

The level of internal sound of tractor

The exposition to the higher sound levels for longer periods of time may lead to hearing
disorders or deafness. Protect your hearing with protective measures, e.g. headphones, ear plugs
etc.
Resulting levels of noise when measuring noise for hearing of driver. Based on European directive
2009/76/EC.
Model
Travel speed
Noise levels - Closed windows dB
The level of vibrations on driver´s seat
ZETOR tractors are classified in A category in classes I and II. ´A´category includes all tractors with set level
of vibrations owing to similar specifications of construction:
Results of measurement on testing bench are listed in the following table pursuant to directive 78/764/EEC.
The value a*wS is an adjusted value of effective acceleration balanced according to vibration movement.
The following table is valid for all type series of Zetor tractors.
Brand of seat
GRAMMER
GRAMMER
MARS
SEARS
SEARS
(1) Values corresponding to driver´s weight of 50 kg.
(2) Values corresponding to driver´s weight of 120 kg.
SAFETY INSTRUCTIONS FOR USERS
Crystal 150
40 km
83
79
Crystal 150
40 km
73,5
Model Springing
MSG85/721 mechanical
MSG95A/721 pneumatic
78/764-73xx mechanical
3008 mechanical
3045 pneumatic
Crystal 160
83,5
79,5
Crystal 160
73,5
Class I & II
(1)
a*
wS
(m/s²)
1,18
1,16
1,25
1,24
1,13
18
(2)
a*
wS
(m/s²)
0,8
1,1
1,23
1,06
1,03