Replacing Of Front / Rear Wheels - ST MPST 84 Li 48 V1 Manual Del Usuario

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WARNING
Always use original cutting means bearing 
the code indicated in the "Technical Data".
NOTE
Given product evolution, the cutting means 
listed in the "Technical Data" table may be 
replaced in time with others having similar 
interchangeable and operating safety features.
9.3 REPLACING OF FRONT
/ REAR WHEELS
9.3.1 Preliminary procedures
DANGER
Use a suitable lifting device.
Before changing the wheels it is necessary 
to complete some preliminary operations:
1. Position the machine on a solid 
and even surface that guarantees
stability of the machine.
2. Stop the machine;
3. Remove the key from the ignition;
4. Place the lifting device at the lifting
point close to the wheel to be 
replaced (par. 9.3.2; par. 9.3.3).
5. Make sure the lifting device is perfectly 
perpendicular to the ground.
9.3.2 Choice and positioning of the
jack on the rear wheels
Place some wooden wedges (fig. 31.A) 
to the wheel base (fig. 31.B) to the side of 
the wheel to be changed (fig. 30.C).
For models with rear collection:
• The maximum possible jack height 
when closed is 110 mm. (fig. 32).
• Place the jack under the rear plate 
(fig. 33.A) at 180 mm from the side edge.
For side discharge models:
• The maximum possible jack height 
when closed is 110 mm. (fig. 34).
• Place the jack under the rear axle, in the 
point indicated in the diagram (fig. 35.A).
NOTE
In this position the jack allows you to 
only raise the wheel to be changed.
9.3.3 Choice and positioning of the
jack on the front wheels
1. Place some wooden wedges (Fig. 36.A) 
to the wheel base (Fig. 36.B) behind 
the wheel to be changed (Fig. 36.C).
2. The maximum possible jack height 
when closed is 110 mm.
3. Place a square 10 x 10 cm wooden wedge 
(Fig. 37.B) on the jack (Fig. 37.A).
WARNING
The wooden wedge prevents 
damage to the front axle.
4. During this phase use your hand to keep the 
wedge balanced correctly on the jack. Raise 
the jack so that the wedge rests against the 
chassis and structural parts (fig. 37.C).
NOTE
In this position the jack allows you 
to raise the entire front axle.
9.3.4 Changing the wheel
SAFETY INSTRUCTIONS
Make certain the machine remains still 
and stable during the lifting process. If you 
notice anything out of the ordinary, lower 
the jack immediately, check and resolve 
any problems and lift the machine again.
1. Remove the cover (fig. 38.A).
2. Raise it enough to extract the wheel easily.
3. Using a screwdriver, remove 
the snap ring (fig. 38.B) and the 
shoulder washer (fig. 38.C).
4. Remove the wheel to be changed.
5. Coat the axle (fig. 38.D) with grease.
6. Mount the spare wheel.
7. Carefully replace the shoulder 
washer and snap ring.
NOTE
Make sure the two rear wheels are the same 
height (fig. 39.A) and that the difference 
between the external diameters of the two 
wheels (fig. 39.B) does not exceed 8-10 
mm. On the contrary, to avoid uneven 
mowing, the cutting-means assembly must 
be aligned by an authorised Dealer.
EN - 23

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