9-7. Adjusting Engine Speed (Kohler-Powered Units)
2200 ± 50 rpm
3700 ± 50 rpm
After tuning engine, check engine speeds with a tachometer (see table). If necessary, adjust speeds as follows:
Start engine and run until warm.
Remove wrapper to access speed adjustments.
Idle Speed Adjustment
|
| Move Engine Control switch to | ||
1 |
| Run/Idle position. | ||
|
| 1 | Throttle Solenoid | |
|
| 2 | Mounting Screws | |
|
| 3 | Idle Speed Screw | |
|
| Loosen mounting screws. Adjust | ||
|
| solenoid position so engine runs at | ||
5 |
| idle speed. If necessary, back out | ||
| idle speed screw so solenoid can | |||
| 2 | |||
4 | be moved to correct position. Tight- | |||
| ||||
|
| en mounting screws. Be sure sole- | ||
|
| noid linkage works smoothly. | ||
|
| Turn idle speed screw for fine | ||
|
| adjustments. | ||
|
| Weld/Power Speed Adjustment | ||
|
| Move Engine Control switch to Run | ||
|
| position. | ||
|
| 4 | Weld/Power Speed | |
|
|
| Adjustment Nut | |
|
| 5 | Lock Nut | |
|
| Loosen lock nut. Turn adjustment | ||
3 |
| nut until engine runs at weld/power | ||
| speed. Tighten lock nut. | |||
! Stop engine.
Reinstall wrapper.
Top View
Tools Needed:
1/4, 3/8 in
802