Chery S11 / Chery QQ. Manual - part 49

   

Chery QQ Service Manual 

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Performance test 

Caution: Each test should be finished in 3 ～ 5 

seconds in order to avoid damaging coil.     

Attraction test   

Connect test wire according to the figure. Check 

whether the pinion (overspeed clutch) bounce out. If 

don’t bounce out, please replace magnet switch.   

Caution: Disconnect the excitation coil wire at the connection post M before the test.   

 

Retention test: 

When connect wire according to state above, disconnect the 

negative wire at the connection post M and check whether 

pinion keep holding out, if not, please replace magnet switch.   

Pinion (plunger) return test   

As the second step of above content, disconnect negative wire, 

check whether the pinion return to original position rapidly.

 

 

 

 

 

 

Empty load performance test 

  Connect test wire according to the figure，and check whether 

the starter motor can run normally when the pinion hold out. 

Meanwhile, check whether the indication current exceeds 

stated value. 

 

Empty load current: The current is less than 55A when the 

battery voltage is 11V.   

 

Battery 

Remove the wire

   

Chery QQ Service Manual 

 

 

Starter technical data 
 

Voltage 12V 

Output power   

0.8 KW 

Start time 

30 s 

Rotation direction  

See from pinion side    clockwise 

Brush length   

19 ㎜（0.650in） 

Number of teeth of start pinion   

9 

Characteristic  

Condition  

Ensure  

Empty load   

11V 

Below 55A，above 5000 r/m   

Load  

9.5V 

0.7Kg·m 

Below 270A，above 1200 r/m 

Temperature   

20℃（68℉） 

Braking 7.7V 

Below 600A，above 1.3kg·m               

（94 pound/feet） 

Magnet switch working voltage   

Above 8V 

 

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Chery QQ Service Manual     

Charging System 

 

Chapter 2    Charging System 

Section 1   Battery 

. General Information

Ⅰ

 

In the electric system, the battery has three functions. First of all, it is the energy 

source of starting engine and the car; Secondly, it acts as the voltage regulator of 

electric appliance system; Thirdly, when the load of electric appliance exceeds the 

output of generator, it can provide supplementary energy source for some time. 

If the test result of the battery is good, but it is not satisfying during the use, it may 

result from the following factors:   

1. The ancillary equipment keeps active. 

2. The average traveling speed of the car keeps low for a long time. 

3. The load of the electric appliance exceeds the output of generator, in particular 

while the additional equipment is added to the original configuration. 

4. The charging system doesn’t run well, e.g. resistance is too high, driving belt skids, 

the terminal post on the output end of the engine gets loose, generator or voltage 

regulator falls into malfunction. 

5. The battery, including cable terminal post of it, has impurity on it, or it is not 

fastened, or the holding-down device of battery gets loose. 

6. The electrical equipment has such mechanic problems as brittle failure or pinch-off 

of wire etc. 

Visual Inspection 

Check for obvious damage, such as cracking or breaking of shell and cover, which 

may cause the efflux of electrolyte. If such obvious damage exists, the battery should 

be replaced immediately. After the reason for such damage is found out, some 

modification should be made, if it is necessary. If the reason keeps unknown, further 

experiment shall be made to conduct further study. 

 

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Chery QQ Service Manual     

Charging System 

  Carrier and holding-down clamp   

 Before the battery is installed, the carrier and holding-down device should be 

cleaned. And they should be prevented from corrosion. The carrier should maintain a 

good status. Ensure that no other materials are on the carrier before the battery is 

installed. In order to prevent the battery from swinging in the carrier, the packing bolts 

should be reasonably tightened. 

Sulfation 

If the battery discharges for a long time, the lead sulfate will gradually become a kind 

of hard crystalline material, which doesn’t tend to return to active material during the 

subsequent recharging. “Sulfation” just means such result and reaction process. This 

kind of battery can be recovered by means of slow charging. It can be recovered to the 

work level, however, its capacity is lower than before. 

Solidification of electrolyte 

The solidifying point of electrolyte is related to its specific density. The solidification 

may damage the battery, so it should be prevented from solidification by means of 

keeping full of charge. If the battery is frozen accidentally, it can’t be charged before 

it warms up.   

Maintenance of battery 

1）Battery is a reliable component, but it needs regular maintenance. Keep the carrier 

of battery clean, prevent the terminal post from corrosion, and make the electrolyte 

level maximal. In addition, the liquid level of each unit should be basically equal. 

2）Keep the cable plugging device of battery clean.     

The cable plugging device, especially the positive terminal, is sure to become rusty. 

The rust on the fitting surface of conductor will hinder the circulation of electric 

current. It is usually because of the rust on the cable plugging device of battery that 

the engine can’t be started, while the electromotor is activated. Regularly cleaning it 

and lubricating the plugging device may prevent them from corrosion. 

. In

Ⅱ

-Vehicle Maintenance (“jumping” start in case of 

emergency) 

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