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SM-1 Ev6/25062014
6.22 Adjustment of the wheel geometry
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Lift the mower (the wheels must be over ground)
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Adjust the wheels in straight direction
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Loosen the clamp bushings of the steering chain
Unscrew the sink-head screw 1 (Picture 97)
Screw one of the screws in the thread used to loosen the clamp bushing 2 (Picture 98)
Tighten the screw to loosen the clamp bushing
Return the sink-head screws in the thread 1 (screw then in but do not tighten them – the wheels
must be lose so that they can be turned by hand)
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When turning MIND a possible collision of the screw and driving pulley (Picture 99)
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Put a straight lath along the wheel portals on the left side and to the tyre discs on the right side. Adjust the
wheels to be parallel. (Picture 100, Picture 101)
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Tighten at least one screw of the clamp bushing (an accessible one). Do not turn the wheels prior tightening
the screw otherwise the geometry is impaired!
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After the first screw is tight, turn the wheels (ATTENTION! The wheels must be over the ground!)
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Tighten the second screw
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Check the geometry with the lath
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Turn alternatively the wheels and Tighten both screws of the clamp bushings of all wheels till the clamp
bushings are fully tight (approximately 23 Nm)
Picture 97
Picture 98
Picture 99
Picture 100
Picture 101
ATTENTION !
1
2
