Chery S11 / Chery QQ. Manual — part 48

Chery QQ Service Manual

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5. Daub lubricating grease on inside of the end cover, install rectifier end cover.

6. Install end cover sealing gasket and braking spring, then install armature retainer

firmly, Daub lubricating grease on the 40% space before install the rear cover.

7. Install magnet switch.

8. After make a connection with battery, check the working condition of the starter

motor is normal or not.

1.rectifier end cover

2.armature clip plate

3.brake spring

4.end cover

5.nut

6.magnet switch

7.end cover bolt

8.start motor bracket

Chery QQ Service Manual

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Section 4 Check and Repair

Armature

Check whether the rectifier is dirty or damaged. If

need repair, repair it by sand paper or on the lathe.

Earthing

It should be insulated between the rectifier plate

and armature iron core, check it by ohmmeter.

Open circuit

Check whether it is connected between the rectifier

plates, if it is not connected when you check in any

test point, it shows that there is open circuit, you

should replace the armature.

Jumpiness of the rectifier

Use V shape iron to support the armature,

check the jumpiness of the rectifier. You can

calibrate it on the lathe if necessary.

Radial jumpiness of the rectifier

Repair limit (max): 0.4mm (0.15in).

Diameter of the rectifier

Check whether the diameter of rectifier is worn;

replace the armature if the diameter of rectifier is

smaller than limit.

Diameter of the rectifier

Repair limit (min): 27mm (1.063in)

Chery QQ Service Manual

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Surface of the rectifier

Use 100# emery cloth to trim and clean the

surface of the rectifier, and check the deepness of

the mica. If necessary, trim the deepness.

Deepness A of rectifier mica piece

Repair limit (min): 0.22mm (0.008in)

Starter motor bracket

Check the electric conduction of the excitation coil.

It should be connected between the brush and the

starter motor bracket body.

Check the brush

Measure the length of the brush, replace if

necessary.

The length of the brush

Repair limit (min): 10.7mm (0.421in)

Brush holder

Check whether the brush spring is rubiginous or

damaged. At the same time, check whether the brush

holder is rubiginous and whether the positive plate is

insulated. Replace the whole assembly if necessary.

Overspeed clutch

Check whether the overspeed clutch can rotate freely in A direction and whether

connected in the other direction. And check whether the pinion is worn abnormally.

Replace the whole assembly if necessary.

1.insulating mica
2.rectifier plate
3.mica deepness

A rotate freely

Chery QQ Service Manual

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Magnet switch protective cover and plunger

Check whether magnet switch protective cover

is damaged and whether plunger is worn or

damaged, replace if necessary.

Magnet switch

Push plunger then loose hand, plunger should

return to original position rapidly. Replace if

necessary.

Motor shaft and shaft liner

Measure the clearance between the motor shaft and

shaft liner, replace the shaft liner if the clearance

exceed limit.

Notice:

1. The disassembly and assembly of shaft liner

should use appropriate pressure machine.

2. After press the shaft liner in, then ream hole to

make the clearance between shaft and liner is

0.05mm.

3. When replace front liner, protective cover of drive cover should be tightened.

4. Use lubricating grease to lubricate shaft liner.

The clearance between shaft and liner operation limit A—B

0.22mm (0.008in)