Removing and installing navigation processor (APS) - AR82.61-P-7410H
MODEL 170.### 1#
| Removal, installation | |||
| 1 | Connect quiescent current retention unit | *WH58.30-Z-1012-09A | |
| 2 | Disconnect ground lead from battery | AR54.10-P-0003A | |
| 3 | Unscrew screws (1) | ||
| 4 | Disconnect wiring harness (GPS antenna and electrical connection) (2) | ||
| 5 | Unscrew screws (3) and remove APS navigation processor (A2/30) from mount (4) | ||
| 6 | Install in opposite order |
Commercially available tools
| Number | Designation |
|---|---|
| WH58.30-Z-1012-09A | Quiescent current retention unit |