Starting the Engine (continued)
Starting a flooded engine
. Disconnect the spark plug lead, and then use the spark plug wrench to unscrew the spark plug (counter- clock- wise to remove.) See Figure 9
. If the spark plug is fouled or is soaked with fuel, clean or replace the plug as necessary. For spark plug specificia- tions and gapping procedure, see the Maintenance section.
3.While the spark plug is removed, crank the engine several times to clear excess fuel from the combustion chamber.
4.Replace the spark plug and tighten it firmly with the spark plug wrench. If a torque wrench is available, torque the spark plug to
5.Follow the starting procedures for a warm engine.
6.If the engine still fails to start or fire, refer to the troubleshooting chart at the end of this manual.
CAUTION!
Incorrect spark plug installation can result in serious engine damage!
Figure 9 |
Adjusting Engine Idle
IMPORTANT
A clean and unrestricted airflow is essen- tial to your pump’s engine performance and durability! Before attempting any car- buretor adjustments, inspect and clean the engine air filter as described in the Main- tenance section of this manual.
Idle Speed Adjustment
. Place the unit on the ground and start the engine, and then set throttle control lever to idle postion. Allow engine to idle
. If a tachometer is available, the engine idle speed should be adjusted to 3,000 (±300) RPM
NOTE
Carburetor fuel mixture adjustments are preset at factory and cannot be serviced in the field.
Decrease Idle
Increase Idle
Figure 10
Idle
Adjustment
Screw