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

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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

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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

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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

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