General Principles
GL-2
Operational Instruction
You can neglect the structural differences between the part in the
manual and the corresponding one of your vehicle, because the manual
is just teaching you principles for your operation.
Standard Terms
Vehicle direction
Vehhicle direction referred in the manual is marked as the right
picture.
Maintenance standard
The matching clearance or standard performance parameter of
components while assembled.
Reparation limit
It means that the component size or component clearance after
repairing must satisfy the specified repair limit;
Wear limit
It means that if a component is overworn or exceeds its wear
limit, it must be replaced;
Unit
Legal measure units are used in this manual.
Standard Tightening Torque
To assure the safety and reliability of key vehicle parts, this
manual makes specific prescriptions to the tightening torque of the
bolts and other fasteners on those parts. As for the bolts and other
fasteners not mentioned, the structures and the sizes of them have been
standardized and they should be fastened with screwing torques
prescribed in the following table.
M6 M8 M10 M12 M14 M16 M18 M20
Ordinary car-
bon steel
5~8 16~23 29~42 50~70 80~110 130~170 160~200 260~320
High-strength
alloy steel
9~12 18~26 34~48 67~95 120~170 165~220 200~250 320~400
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