1 Scope
This Part specifies product classification, code, the marking method of product model & specification, technical requirements, inspection methods, inspection rules, marking, packing, transport and storage of plastic cooling fan for internal combustion engines.
This Part is applicable to plastic cooling fan for use in cooling system for water cooled and air-cooled internal combustion engine (gasoline engine and diesel engines) whose outside diameter is not more than 1000mm (hereinafter referred to as fan).
2 Normative References
The following normative documents contain provisions which, through reference in this Part, constitute provisions of this standard. For dated references, subsequent amendments to (excluding amending errors in the text), or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of the normative document is applicable. For undated references, the latest edition of the normative document applies.
Foreword I
1 Scope 2
2 Normative References 2
3 Product Classification, Code and Marking Method of Model & Specification 2
4 Technical Requirements 4
5 Inspection Methods 7
6 Inspection Rules 8
7 Marking, Packaging, Transportation and Storage 8
Figure 1 Classification by Airflow Direction 3
Figure 2 Classification by Structures 4
Table 1 Classification and Code of Fan 3
Table 2 Location Hole Diameter and Center Circle Diameter of Bolt Hole (Recommended Dimension) 5
Table 3 Outside Diameter of Fan (Recommended Dimension) 5
Table 4 Runout of Blades Axially on the Same Side 5
Table 5 Unbalance Quantity of Fan Assembly 6
Table 6 High Temperature Resistance of Fan Blades Made of Different Materials 6
