MGG Gizmow T130, Руководство оператора

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Lawn Tractor Rear Discharge
33
The tension of the belt can be adjusted with the adjustment
nut as indicated in (Fig 49), by following these next steps:
1. Loosen the nut under the pulley by rotating it
anti-clockwise.
2. Adjust the tension of the belts as required.
3. Tighten the nut under the pulley accordingly.
1. Check the chain tension after setting the drive
conversion unit to the highest gear.
2. Adjust the drive conversion unit while the engine is
operating in minimal number of revolutions and the
travel lever being in the neutral position “N”.
3. After turning the engine off, check the chain tension
and when necessary loosen the nut (2 – Fig 51)
4. With the adjusting screw set the chain tension.
5. Once complete, tighten the nut accordingly.
6. Do this adjustment with the disassembled throat of
the rear plate.
Adjusting the drive belt of the blades drive Adjusting the chain
IMPORTANT: It is recommended that your
authorized service centre makes these belt
adjustments.
WARNING: Wear strong gloves when
handling the blades.
Fig 49
Adjustment
Nut
Adjusting the drive conversion unit belt
The operation of the drive conversion unit is ensured by a
belt between the engine and central conversion unit pulley.
Adjust the right position and tension of the belt if the belt
is slipping or the belt tension is wrong while pushing the
brake pedal down.
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3mm below the outside periphery of the central
conversion pulley.
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number of engine revolutions.
3. Transfer the travel lever from the neutral position “N’ in
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4. Check and adjust the belts while the engine is being
turned off.
5. Adjust it with the nut (Fig 50). Loosen the nut if the
distance between the belt is smaller than 3 mm from the
outside periphery of the central pulley.
6. If you turn the central pulley by two revolutions the belt
should displace by 2mm. After this adjustment check the
belt position again.
1. The initial tension of the spring (3 – Fig 51) can be
reduced by prolonging the belts.
2. Adjust the initial tension with the nut (4 – Fig 51) you
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3. Set the spring so that the limiting chain (5 – Fig 51) is
going to be tightened up completely while the engine
is operating.
4. Check the chain tension once more after the
adjustment of the spring.
Adjusting the drive conversion unit spring
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Badly sharpened blades will pull at the grass, cause the
lawn to turn yellow and reduce the capacity of the
container.
Loose blades will cause unusual vibrations during the
mowing operation and can be dangerous.
Sharpening and balancing the cutting blades
3mm
Fig 50
Fig 51
3
4
2
1
5