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The basic malfunctions of a starter

Apply the handbrake and set gear lever to the neutral position. Turn on the ignition.

Using an additional wire cross section 4 ^mm2, connect terminals 30 and 50.

If the starter motor starts to rotate, then faulty electrical circuit power starter.

CAUSE	SOLUTION
The starter does not work
Low Battery	Charge the battery.
When connecting terminals 30 and the starter 50 starts	Restore the electrical power supply circuit of a starter.
Open or short to ground in the starter	Check the condition of the wires and, if necessary, replace them.
Current reduction due to weak attachment or oxidised wire	Clean the contacts and secure the wire.
There is no voltage at terminal 50 of the traction relay	Open circuit power starter, which must be restored.
The starter rotates slowly and turns the engine crankshaft
Low Battery	Charge the battery.
Current reduction due to weak attachment or oxidised wire	Clean the contacts and secure the wire.
Carbon brushes insufficiently densely adjoin to a collector or are defective	Check the condition and, if necessary, replace the carbon brushes.
The carbon brushes come into contact with the collector	Replace carbon brushes.
The working surface of the reservoir is damaged	Pereshlifuyte working surface of the collector or replace an anchor.
The voltage applied to the starter at least 10	Check the starter relay or the traction relay.
Faulty magnetic switch	Replace magnetic switch.
The starter works normally, but does not turn the engine crankshaft
Dirty or defective starter drive gear	Clean or replace the starter drive gear.
Worn flywheel	Replace the flywheel.
There is no decoupling gear starter flywheel
Dirty or damaged starter drive gear or screw-thread on the shaft of the starter	Clean or replace the pinion gear or starter armature.
Faulty magnetic switch	Replace magnetic switch.
Decreased elasticity or broken recoil spring	Replace return spring.
The starter continues to run after the ignition key is turned off it
Sticking contacts of the traction relay	Immediately turn off the ignition and remove a wire of weight from the accumulator.
The ignition switch does not disconnect the starter	Immediately remove a wire of weight from the battery and replace the ignition switch.