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Chery QQ Service Manual
Mechanical Part of SQR 472Engine
6-17
2.7.1 Measure the camshaft with micrometer caliper. If it
is below to the specified limit, replace with a new one.
Camshaft journal Unit: mm
EF
Type
Item
ZL, RL
GL, GS, ZS
IN
φ
23.0
-0.02
-0.033
Standard value
EX
φ
23.0
-0.02
-0.033
IN
φ
22.9
Limit: 0.10
EX
φ
22.9
2.7.2
Inspection of camshaft axial clearance
(1) Replace the camshaft when the axial clearance value
measured with dial gauge exceeds the standard value.The
axial clearance of intake camshaft is 0.1~0.170mm.
The axial clearance of exhaust camshaft is 0.1~ 0.173mm.
Limit: 0.18mm.
2.7.3 Inspect the clearance of the engaging tooth of
camshaft
(1) Install the camshaft into the cylinder head.
(2) Confirm the mark forwards on the bearing cap as
well as the axle number, and then tighten the bolts.
(3) Measure the clearance of engaging tooth of the intake
camshaft with dia indicator.
Notice
:
·
Measure at 4 points on the circle of the piston
·
Turn the intake camshaft with special tools.
·
Make sure that the marks on the driven gear and
the driving gear of the camshaft match with each
other.
Inspect the clearance of the engaging tooth of camshaft:
Item
Standard value
Limit
Single tootj
0.04-0.13
0.30
3. Installation
3.1 Under the circumstance that special tools are used:
3.1.1
Fix the 2 holes (
φ
6) of the camshaft gear
assembly with special tool.
3.1.2
Rotate the driven gear to the right with special
tool and tally the mark hole of driven gear with that of
camshaft driving gear, or their marking way complies with
each other, fix the driven gear with bolts.(Thread: M5;
Thread pitch: 0.8)
For Fixing
Содержание Vyper 4WD 1100cc 4 seater XY1100UEL
Страница 1: ...Service Manual 4 4 GIO MOTORS Vyper 4WD 1100cc Vyper 4WD 1100cc 4 seater ...
Страница 65: ...4 COOLING SYSTEM 4 6 Cooling System Chart 4 ...
Страница 175: ...11 EFI SYSTEM OF SQR 472ENGINE 11 3 3 The ECU control principle diagram ...
Страница 176: ...11 EFI SYSTEM OF SQR 472ENGINE 11 4 4 The ECU function module layout ...
Страница 178: ...11 EFI SYSTEM OF SQR 472ENGINE 11 6 39 The speed signal input Input 80 Empty 40 Empty 81 Empty 41 Empty ...
Страница 258: ...12 LIGHTING AND SWITCHES 12 7 2WD 4WD 4WD Diff Lock Switch No continuity Change the switch ...
Страница 260: ......
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