Check Engine Speeds
Warm up engine and use the tachometer to check engine speeds:
| Tractors |
Slow Idle |
Fast Idle |
| 7220, 7320 |
845-855 rpm |
2455-2465 rpm |
| 7420, 7520 |
845-855 rpm |
2245-2255 rpm |
See your John Deere dealer for adjustments.
NOTE:
Slow idle speeds can be as high as 1060 rpm until coolant temperature rises to 20°C (68°F).
|