| Rules for cleanliness when working on engine preheater |
| t
| Thoroughly clean all connections and adjacent areas before disconnecting. |
| t
| Place parts that have been removed on a clean surface (use sheeting or paper, but no fluffy cloths) and cover. |
| t
| Carefully cover opened components or seal if the repair cannot be carried out immediately. |
| t
| Install clean parts only: |
| –
| Remove replacement parts from their packages only immediately before installing them. |
| –
| Do not use any parts which have not been stored in their packaging (e.g. in a tool box). |
|
|
|
