Early Fuel Evaporation Valves (Heat Riser Assemblies)
| Condition | Code | Procedure |
|---|---|---|
| Broken | A | Require replacement of affected parts |
| Diaphragm inoperative | A | Further inspection required |
|
NOTE:
Inoperative includes intermittent operation. If the inoperative diaphragm is separate from the heat riser, then require replacement of the inoperative diaphragm. If the inoperative diaphragm is part of the heat riser, then replace the heat riser.
|
||
| Leaking | B | Require repair or replacement |
| Noisy | 2 | Suggest repair or replacement |
| Seized | A | Require replacement of affected parts |
| Spring broken | B | Require replacement of spring(s) |
| Spring inoperative | A | Require replacement of spring(s) |
|
NOTE:
Inoperative includes intermittent operation.
|
||