4-21
4.2.3-12 4.2.3-13
4.2.4 Bumper Wheel
• Release the Brush from the Brush
deck.
• Put the machine in safe conditions.
• Make sure that the brush deck is in
lifted position.
• Unscrew the top bushing of the
wheel.
• Remove the wheel.
• Proceed at reverse to refit the part.
Note: Use the thread lock liquid on the
screw during the assembling.
4.2.5 Brush deck lifting arms
• Put the machine in safe conditions.
• Disassemble the Brush Deck from
the machine (see section 4.2.1 at page 20).
• Unscrew the screws that hold the lift
arms from the brush deck (see fig. 4.2.5-
14) (see fig. 4.2.5-15).
• Proceed at reverse to refit the part.
4.2.6 Brass Bushings
• Put the machine in safe conditions.
• Disassemble the brush deck lifting
arms.
4.2.5-14 4.2.5-15
• Replace worn out bushings with new
ones.
• Proceed at reverse to refit the part.
• Before fixing the lift arms, proceed to
lubricate the bushings with grease.
4.2.7 Fixing and adjustment
plate
• Put the machine in safe conditions.
• Disassemble the Brush Deck from
the machine (see section 4.2.1 at page 20).
• Disassemble the brush deck lifting
arms.
• Remove the screw that secures the
fixing and adjustment plate to the
brush deck.
• Proceed at reverse to refit the part.
4.2.7-16