PIAGGIO 2005 XEVO 400ie, Руководство по ремонту

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Possible Cause Operation
Brake disc slack or distorted Check the brake disc screws are locked; measure the axial shift
of the disc with a dial gauge and with wheel mounted on the
scooter.
Brakes overheating
BRAKES OVERHEATING
Possible Cause Operation
Defective plunger sliding Check calliper and replace any damaged part.
Brake disc slack or distorted Check the brake disc screws are locked; use a dial gauge and
a wheel mounted on the vehicle to measure the axial deviation
of the disc.
Clogged compensation holes on the pump Clean carefully and blast with compressed air
Swollen or stuck rubber gaskets Replace gaskets.
Steering and suspensions
Heavy steering
STEERING HARDENING
Possible Cause Operation
Steering hardening Check the tightening of the top and bottom ring nuts. If irregu-
larities continue in turning the steering even after making the
above adjustments, check the seats in which the ball bearings
rotate: replace them if they are recessed or if the balls are flat-
tened.
Excessive steering play
EXCESSIVE STEERING CLEARANCE
Possible Cause Operation
Torque not conforming Check the tightening of the top and bottom ring nuts. If irregu-
larities continue in turning the steering even after making the
above adjustments, check the seats in which the ball bearings
rotate: replace them if they are recessed or if the balls are flat-
tened.
Noisy suspension
NOISY SUSPENSION
Possible Cause Operation
Malfunctions in the suspension system If the front suspension is noisy, check: the efficiency of the front
shock absorber; the condition of the ball bearings and relevant
lock-nuts, the limit switch rubber buffers; and the movement
bushings. In conclusion, check the tightening torque of the
wheel hub, the brake calliper, the shock absorber disc in the
attachment to the hub and the steering tube.
XEVO 400ie
Troubleshooting
TROUBL - 33