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Valtra 6550 - Page 1064

Valtra 6550
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1007
Model Code Page
66. Air suspension of front axle
1. 8. 2000
660 56200--8950
1. 11. 1998
4. Other parts
A. Shock absorbers
322±3
Middle position 431,5
492±3
The shock absorbers (2 pcs) are of a liquid type. If the
shock absorbers are damaged, the oscillations will take
longer to stabilize after driving over pot ho les or an rough
terrain: giving uncomfortable driving. The shock absorbers
are attached with the aid of bushings which have rubber
damping.
Note! The shock absorbers cannot be repaired, but a new
one is fitted in place of the damaged one.
B. Rubber bellows
Type: Dunlop 8”x2.
Pressure values:
Pressure Limit value
Max. axle loading, static 3,5 bar 15 bar
Max. axle loading, bottom reaching 14 bar 15 bar
Norm. axle loading, outwards 1,8 bar not vacuum
Pressure air
intake from
level valve
Metal flange+fixing bo lts
Metal flange+fixing bo lts
Note! In case of damages the rubber bellows are c hanged
as a complete unit.
The bellows can be removed as follows:
--- stop the engine, exhaust the system
--- remove the rubber bellows protective coverings
--- unscrew the bellows upper nuts (4 pcs)
--- disconnect the pressure pipes under the bellows
--- unscrew the lower nuts (4 pcs)
--- remove the front end joint pins of the suspension
--- raise the tractor front frame, until the bello ws can be
removed.
--- fitting in the reverse order

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