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SM-1 Ev6/25062014
6.25 Exchange of the drive control servomotor NBB
Dismount:
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Disconnect the battery
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Disconnect the supply cables
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Dismount the lever of servomotor and servomotor
Mounting:
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Mount the servomotor
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Mount the pull bar on the pin of the pump lever and pin of the servomotor
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Set the servomotor and hydraulic pump shafts to zero (central) position
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Mount the lever on servomotor and tighten the securing nut
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Connect the regulation cables and supply control cables of servomotor
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Connect the battery
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Tighten the lever nut (30 Nm)
Adjustment of neutral position:
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Support the mower (the wheels must get over the ground)
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Loosen the securing nuts of servomotor pull bars (left and right thread)
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Start the mower – ATTENTION! The mower can start only when the servomotor lever is in zero (central)
position. If it is not in zero position, move the lever until the neutral LED on the control panel lights up. Test
driving in both directions and leave the neutral gear. When returning to the neutral gear from both
directions, the wheels have to stop. If not, turn the central nut of the adjustment pull rod of servomotor till
the wheels stop from both directions.
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Tighten the securing nuts. (Picture 106)
Picture 105
Picture 106
