Braking; Brake Test; Conditions - Volvo L90E Operator's Manual

Braking

Braking
Brake smoothly. This is particularly important when
operating with a load and on slippery ground. If
required during certain
transmission can be made to automatically disengage
when the brakes are applied, see page 26.
Engine retarding with the aid of the downshift button
may be advantageous, particularly when operating
downhill. In this way it is possible to reduce the
warming up of the axle oil. see page 76.
VARNING!
The transmission disengagement function
must not be
operation.

Brake test

(Checking service brakes)
The brake test is carried out with the aid of computer
software. which measures the average retardation of
the machine. The test can be carried out by the
machine operator from the display unit .
VARNING!
Brake test and checking the parking brake
must only be done within an area where it
cannot cause accidents.

Conditions

1 Brake test must only be done within an area where it
cannot cause accidents (risk of being run into from
behind etc.).
2 The ground must be level and the surface have
good friction.
3 The machine must not be loaded.
4 The travelling speed of the machine must exceed
20 km/h (12.4 mph) when the service brakes are
applied.
Acceptable values can only be obtained If the test
is carried out on dry asphalt, dry concrete or other
similar surfaces.
operations, the
Used during transport
79
‫ﺑﻪ آراﻣﻲ و ﻳﻜﻨﻮاﺧﺖ ﺗﺮﻣﺰ ﺑﮕﻴﺮﻳﺪ. اﻳﻦ ﻋﻤﻞ ﺑﻪ وﻳﮋه ﻫﻨﮕﺎم ﺣﺮﻛﺖ ﺑﺎ‬
power
‫ﺑﺎر و ﺑﺮ روي ﺳﻄﻮح ﻟﻐﺰﻧﺪه از اﻫﻤﻴﺖ وﻳــﮋه اي ﺑﺮﺧـﻮردار اﺳـﺖ. در‬
‫ﺑﻌﻀﻲ ﺷﺮاﻳﻂ ﻣﻴﺘﻮان از وﺿﻌﻴﺖ اﺗﻮﻣﺎﺗﻴﻚ ﮔﻴﺮﺑﻜﺲ اﺳﺘﻔﺎده ﻛﺮد ﺗ ـ ـﺎ‬
‫ﻫﻨﮕﺎم ﺗﺮﻣﺰ ﮔﻴﺮي، ﮔﻴﺮﺑﻜﺲ ﺑﻄﻮر ﺧﻮدﻛﺎر در وﺿﻌﻴﺖ ﺧ ـ ـﻼص ﻗـﺮار‬
‫ﮔﻴﺮد. اﺳﺘﻔﺎده از رﻳﺘﺎردر ﻣﻮﺗ ـ ـﻮر ﺑـﻪ ﻛﻤـﻚ دﻛﻤـﻪ دﻧـﺪه ﺳـﺒﻚ ﺑـﻪ‬
‫ﺳﻨﮕﻴﻦ از اﻟﻮﻳﺖ ﺑﺮﺧــﻮردار اﺳـﺖ ﺑـﻪ وﻳـﮋه ﻫﻨﮕﺎﻣﻴﻜـﻪ دﺳـﺘﮕﺎه در‬
‫ﺳﺮاﺷﻴﺒﻲ ﻫﺎ ﺣﺮﻛﺖ ﻣﻲ ﻛﻨ ـ ـﺪ. از اﻳـﻦ ﻃﺮﻳـﻖ از ﮔـﺮم ﺷـﺪن روﻏـﻦ‬
‫ﻫﻨﮕﺎم ﺣﺮﻛﺖ دﺳﺘﮕﺎه، ﮔﻴﺮﺑﻜﺲ را در وﺿﻌﻴﺖ ﺧﻼص‬
.‫آزﻣﺎﻳﺶ ﺗﺮﻣﺰﻫﺎ ﺑﻪ ﻛﻤﻚ ﻳﻚ ﻧﺮم اﻓﺰار ﻛﺎﻣﭙﻴﻮﺗﺮي اﻧﺠ ـ ـﺎم ﻣـﻲ ﺷـﻮد‬
‫اﻳﻦ ﻧﺮم اﻓﺰار اﻧﺪازه رﻳﺘﺎرد دﺳﺘﮕﺎه را اﻧﺪازه ﮔﻴﺮي ﻣ ـ ـﻲ ﻛﻨـﺪ. اﭘﺮاﺗـﻮر‬
‫ﻣﻲ ﺗﻮاﻧﺪ از ﻃﺮﻳﻖ ﺻﻔﺤﻪ ﻧﻤﺎﻳﺸﮕﺮ ﺟﻠﻮي ﺧﻮد، ﺗﺮﻣﺰﻫﺎ را ﺑﺎزرﺳــﻲ و‬
‫ﺑﺮاي ﺟﻠﻮﮔﻴﺮي از ﺗﺼﺎدف، آزﻣﺎﻳﺶ و ﺑﺎزرﺳــﻲ ﺗﺮﻣـﺰ‬
‫١( ﺑﺮاي ﺟﻠﻮﮔﻴﺮي از ﺗﺼﺎدف، آزﻣــﺎﻳﺶ و ﺑﺎزرﺳـﻲ ﺗﺮﻣﺰﻫـﺎ ﺑـﺎﻳﺪ در‬
‫ﻳﻚ ﺳﻄﺢ ﺻﺎف اﻧﺠﺎم ﮔﻴﺮد ) ﺧﻄﺮ ﺣﺮﻛﺖ دﺳﺘﮕﺎه ﺑﻪ ﻋﻘــﺐ وﺟـﻮد‬
‫٢( ﺳـﻄﺢ اﺳـﺘﻘﺮار دﺳـﺘﮕﺎه ﺑﺎﻳﺴ ـ ــﺘﻲ ﺻــﺎف و از اﺻﻄﻜــﺎك ﻻزم‬
km/h
٢٠ ‫٤( ﻫﻨﮕـﺎم ﺗﺮﻣـﺰ ﮔـﻴﺮي، ﺳـﺮﻋﺖ دﺳـﺘﮕﺎه ﺑـﺎﻳﺪ ﺑﻴ ـ ـﺶ از‬
‫ﭼﻨﺎﻧﭽﻪ ﺳﻄﺢ اﺳﺘﻘﺮار دﺳﺘﮕﺎه از آﺳﻔﺎﻟﺖ و ﻳﺎ ﺑﺘﻮن ﺧﺸـﻚ و‬
‫ﻳﺎ ﺳﻄﻮح ﻣﺸﺎﺑﻪ ﺑﺎﺷﺪ، ﻣﻘــﺎدﻳﺮ ﺑﺪﺳـﺖ آﻣـﺪه ﻗـﺎﺑﻞ ﻗﺒـﻮل‬
.‫اﻛﺴﻞ ﻫﺎ ﻧﻴﺰ ﺟﻠﻮﮔﻴﺮي ﻣﻴﺸﻮد‬
( ‫) ﺑﺎزرﺳﻲ ﺗﺮﻣﺰﻫﺎي ﻋﻘﺐ و ﺟﻠﻮ‬
.‫دﺳﺘﻲ را در ﻳﻚ ﺳﻄﺢ ﺻﺎف اﻧﺠﺎم دﻫﻴﺪ‬
‫ﺷﺮاﻳﻂ آزﻣﺎﻳﺶ ﺗﺮﻣﺰﻫﺎ‬
.‫٣( دﺳﺘﮕﺎه ﺑﺎﻳﺪ ﺑﺪون ﺑﺎر ﺑﺎﺷﺪ‬
‫ﺗﺮﻣﺰﮔﻴﺮي‬
‫ﺗﺮﻣﺰﮔﻴﺮي‬
:‫ﻫﺸﺪار‬
‫ﻗﺮار ﻧﺪﻫﻴﺪ‬
‫آزﻣﺎﻳﺶ ﺗﺮﻣﺰﻫﺎ‬
.‫آزﻣﺎﻳﺶ ﻛﻨﺪ‬
:‫ﻫﺸﺪار‬
.( ‫دارد‬
.‫ﺑﺮﺧﻮردار ﺑﺎﺷﺪ‬
mph
.‫٤/٢١( ﺑﺎﺷﺪ‬ )
. ‫ﺧﻮاﻫﻨﺪ ﺑﻮد‬