| Rules for cleanliness when working on auxiliary heater and fuel system |
| t
| Carefully clean all joints and surrounding areas before disconnecting. |
| t
| Set down parts removed on a clean surface (use sheeting or paper, not fluffy cloths) and cover over. |
| t
| Carefully cover or seal opened components if repairs are not to be performed immediately. |
| t
| Only install clean components: |
| –
| Leave replacement parts in packaging until immediately prior to installation. |
| –
| Do not use parts that have been stored loose (e.g. in tool boxes). |
| t
| When fuel system is open: |
| –
| Do not work with compressed air. |
| –
| Do not switch on auxiliary heater (also applies to switch-on via self-diagnosis “Basic setting” function). |
|
|
|
