Engine Run-In

ENGINE RUN-IN

1. Make sure that the fuel solenoid is in the "OFF" position or disconnected.
2. Crank the engine to establish oil pressure on the gauge. Do not engage the starter for more than 30 seconds at a time, waft two (2) minutes between engagements. Reconnect the fuel solenoid if disconnected and move to the "RUN" position.

NOTE: Bleeding of the fuel system may be required to start the engine.

3. Start the engine and run at 1000-1200 RPM for 30 minutes. Observe the oil pressure and water temperature. If oil pressure drops below 103 kPa [15 psi], stop the engine and troubleshoot the lubrication system. If water temperature exceeds 95°C [203°F], stop the engine and allow to cool. Troubleshoot the cooling system.
4. After completing Step 3, stop the engine and inspect for leaks.
5. Restart the engine and test drive the vehicle at approximately 1/3 throttle in "Drive" or "High" gear. Periodically, open the throttle and accelerate to governed RPM and decelerate rapidly. Repeat this procedure at least 10 times.

The engine should be operated normally, but not at continuous high speeds and loads for the first 500 miles or 20 hours. Occasional quick acceleration followed by quick deceleration during this period is beneficial to engine break in.

Change the oil and filters after 500 miles or 20 hours of operation.