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obsidian_lht/AMM/73 - Engine Fuel.md
2025-07-01 12:01:28 +02:00

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---
created: 2023-01-16T08:00:06+01:00
updated: 2024-02-16T09:53:54+01:00
---
## V2500
## SBs
| SB | |
| ------- | ------------------------ |
| 73-1138 | EEC SCN23 Software Stand |
| EEC Softw | EEC PN | Data Plug |
| --------- | ------------------------------------------ | --------- |
| SCN21/AA | 824972-xx-022 or 808050-x-068 | 2A3106 |
| SCN22/AB | 824972-xx-024 or 808050-x-070 or 2A4346 | 2A4378 |
| SCN23/AC | 824972-xx-026 or 808050-x-072 or 2A610 | |
## 73-10
#### Functional Test Fuel Recirculation Cooling
Label Call-up
- 07C/1/245/01 -- Engine 1
- 07C/2/245/10 -- Engine 2
Only bits 28 - 14, ignore 13 - 11
Add SET Bit Values
| 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 |
|---- | ---- | ---- | ---- | ---- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 16384 | 8192 | 4096 | 2048 | 1024 | 512 | 256 | 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 |
$$
\text{Valve Position \%} = \frac{\text{added up Value}} {32768} \times 128
$$
Make sure the calculated value is more than 10%
![[73-13-42_Functional Test of the Fuel Recirculation Cooling System with AIDS.pdf]]
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