Leonardo 250-300 Repair Manual 2004 - Wheels Academy

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LEONARDO 250 - 300 CYCLE PARTS 7.5.3. CHANGING THE BEARINGS WARNING The bearings must be checked and if necessary changed every time they are removed. • Clean the two sides of the hub with a cloth. Disassembly Work on the left side of the vehicle: • Insert a punch (not pointed) in the wheel hub, act on the inner ring of the right bearing (1), changing the contact points in rotation (90°), in order not to misalign the bearing itself. • Extract the right bearing (1). • Extract the spacer ring (2). Work on the right side of the vehicle: WARNING Keep the punch perpendicular to the bearing (coaxial to the wheel axis), in order not to misalign and damage the bearing itself. • Insert a punch with 15 mm diameter in the wheel hub and place it on the inner ring of the left bearing (3). • Strike the punch more than once and not too violently with a rubber hammer and extract the bearing. Reassembly • Work on the right side of the vehicle: • Rest the bearing on the wheel hub. WARNING Keep the punch perpendicular to the bearing (coaxial to the wheel axis), in order not to misalign and damage the bearing itself.. • Put a punch with 31 mm diameter on the outer edge of the bearing. • Strike the punch more than once and not too violently with a rubber hammer and insert the right bearing (1) completely. • Insert the spacer ring (2). Work on the left side of the vehicle: • Repeat the first three operations for the left bearing (3). WARNING Check the centering of the bearings with respect to the wheel hub. 7 - 49
CYCLE PARTS LEONARDO 250 - 300 7.5.4. CHECKING FRONT WHEEL PARTS Bearings WARNING Check the integrity of all the components and in particular those indicated below. • Manually rotate the inner ring (1), which should rotate without jamming and/or noise. There should be no axial slacks. The bearings that show signs of the malfunctions mentioned above must be changed. Wheel pin WARNING Apply grease on the balls (or rollers) on both sides of each bearing, see 1.7 (LUBRICANT CHART). This operation is not necessary if the bearing is self-lubricating. • Check the eccentricity of the pin by means of a comparator. If the eccentricity exceeds the limit value, change the pin. Rim WARNING Apply grease on the pin (only in the area of contact with the bearings), see 1.7 (LUBRI- CANT CHART). • Using a comparator, make sure that the radial and axial eccentricity of the rim do not exceed the limit value. Excessive eccentricity is usually caused by worn or damaged bearings. If after changing the bearings the value still exceeds the indicated limit, change the rim. Speedometer control • Make sure that there are no evident signs of damage and/or excessive wear. Tyre WARNING Apply grease on the inner side, see 1.7 (LU- BRICANT CHART). Check the conditions of the tyre, see 2.21.2 (TYRES). 7 - 50
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INTRODUCTION LEONARDO 250 - 300 CON
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INTRODUCTION LEONARDO 250 - 300 0.1
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INTRODUCTION LEONARDO 250 - 300 RIG
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GENERAL INFORMATION LEONARDO 250 -
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PERIODIC MAINTENANCE LEONARDO 250 -
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LEONARDO 250 - 300 LUBRICATION LUBR
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LEONARDO 250 - 300 LUBRICATION 3.1.
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FUEL SYSTEM LEONARDO 250 - 300 CONT
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FUEL SYSTEM LEONARDO 250 - 300 TANK
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FUEL SYSTEM LEONARDO 250 - 300 4.1.
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FUEL SYSTEM LEONARDO 250 - 300 4.2.
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FUEL SYSTEM LEONARDO 250 - 300 Key:
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FUEL SYSTEM LEONARDO 250 - 300 •
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COOLING SYSTEM LEONARDO 250 - 300 C
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COOLING SYSTEM LEONARDO 250 - 300 5
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LEONARDO 250 - 300 ENGINE ENGINE 6
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LEONARDO 250 - 300 ENGINE 6.1. EXHA
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LEONARDO 250 - 300 ENGINE • Relea
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LEONARDO 250 - 300 ENGINE • Disco
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LEONARDO 250 - 300 ENGINE • Place
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LEONARDO 250 - 300 ENGINE 6.2.2. RE
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LEONARDO 250 - 300 ENGINE • Conne
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Leonardo 250-300 Repair Manual 2004 - Wheels Academy

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