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Electric System EL-21 Trouble analysis Trouble Cause Method Both the speed Flexible shaft core broken Replace Odometer rotating shaft seized Replace the odometer Square connector nut slackened Tighten again Only the speed Needle deformed and seized with dial or glass Correct Drive worm wheel and worm, and inductive plate Replace or clean The needle and Drive gear or driven gear of the speedometer dam- Replace meter Meter failed Replace meter The deflection Speedometer flexible shaft deformed or radius Correct the flexible shaft Input shaft or gear worn Replace meter The speedometer Transmission output shaft slipped Tighten the flange fork under the rec- ommended torque The magnetic effect of the magnetic steel reduced Replace Needle indica- Hairspring deformed or deviate from the original Move the hairspring to one side to adjust the indication of the needle Magnetic body cracked Replace meter Dimension of tyre is wrong Replace and use the recommended tyre Speed gear worn or damaged Replace meter The needle Grease on the magnet Clean out the grease The speed needle Hairspring broken Replace meter At the constance velocity of the vehicle when the Adjust Flexible shaft core seized Clean and lubricate Speedometer nee- The axial clearance of the flexible shaft is too big Replace shaft core |