Chery S11 / Chery QQ. Manual - part 222

               SQR7080 维修手册                                                                                          372 发动机机械部分

 

 
 

6-4-2 Disintegration 
1．Weather seal 
[Attention]The weather seal are not reusable. 

 

   
2 Remove the oil pump cover 
Attention: The bolt is assembled with glue,loosen it with 
screw driver according to the illustrations 

 

   
3 Remove the driven and drive rotor of the oil pump 
 

 

4．Take off the split pin 
[Attention] The split pins are not reusable. 
Attention:Pay attention not to make the spring and spring 
seat sending forth and dropping suddenly,while taking off 
the open pins. 

 

5．Removal of the oil pump pressure relief valve spring 
stand, spiral spring, oil pump pressure relief valve 
 
 

 

 
   
6．  Removal of the front oil seal of the crankshaft 
[Attention] The removed oil seals are not reusable. 

卸压阀

 

pressure

 

relief valve

 

卸压阀弹簧

 

弹簧座

 

Spring seat 

pressure relief
valve 

滑块

 

slider 

31 

               SQR7080 维修手册                                                                                          372 发动机机械部分

 

 

6-4-3 Routine 

checks 

(1)  Checks on lubricating oil pump spacing 

1. Follow the mark on the interior and exterior gears of 
the oil pump to place it into the lubricating oil pump 
body on the cylinder body. 

 

 

 
2. Use a feeler to measure the clearance between the 
interior gear and the exterior gear 
      [Benchmark] 0.05-0.18mm(average of 9 points) 
      [Limit]  0.35 mm 
1.  Use a feeler to measure the clearance between the 

rotator and the pump body 

      [Benchmark] 0.10-0.185mm 
      [Limit]   0.25mm 

 

  (2) Routine checks on the pressure relief valve 
1 Remove the pressure relidf valve,there should be no 
visible tears, wears and scrapes on the pressure relief 
valve 
 

 

6-4-4  
1 After smearing lubricating oil on the lips of the new 
T-shaped oil seals, use SST to make the assembly. 

 

     

[Attention] 
·Use new oil seal.. 
·The exposed part of the outer edge of the oil seal after 
being pressed in should be less than 0.5mm. 

标记

 

Mark 

SST 

油封露
5mm 以

出

 

下

Oil sealing 
out 5mm 

Pressing 
direction 

Inside 

32 

               SQR7080 维修手册                                                                                          372 发动机机械部分

 

 

2. Assembling of the    oil pump pressure relief valve and 
split pins 

[Attention] The split pins are not reusable. 

 

 

 

3. The marks of the exterior and interior gears of the 
lubricating oil pump should be on the visible side when 
being assembled into the pump body. 

 

 
4 The new weather seal should be put inside the oil pump 
cover groove. 

标识

 

Mark 

6-5 Disintegratin and assembling of oil seal 
6-5-1 Configuration diagram 

 

 

Non-reusable part 

33 

               SQR7080 维修手册                                                                                          372 发动机机械部分

 

 

 

-5-2 Disintegration 
1.  Use a flat screwdriver to remove the rear oil seal. 
[Attention] The oil seals are not reusable. 
 
 

 

6-5-3 Checks 
Check to see if the tears and wears of the lip section of 
the oil seals are within the normal conditions, and if 
there are any damages in outer appearance. 
 
 
6-5-4 Assembling 
Smear lubricating oil on the new oil seal lip section. 
 

SST 
 
SST 

 

2.  Use SST to install the oil seal shown as the right 

figure. 

 
 
 
 
 
 

 

6-6 Assembling 
1. Assembling of the oil sealing stands 

(1) Smear oil sealing silica on the oil sealing 

stands shown as the right figure. 

[Grease] Letai 5699 

 

[Attention] The liquid sealing silica is to be smeared 
to the mating sectin of the oil seal stands and cylinder 
body surface, with a width of 3—4mm. 
[Torque] 25±1.5N.m 
 

Oil sealing 
lip 

Sealing line 

34