Mec 4069RT - Page 95

“4069RT” Service and Parts Manual March 2014
Page 3-19
DUAL FUEL ENGINE MAINTENANCE
I DLE S PEED A DJUSTMENT - D UAL F UEL
1. Bring the engine to operating temperature.
2. With the engine at idle, adjust the Throttle Stop Screw until the engine RPM is
1350±50.
H IGH S PEED A DJUSTMENT - D UAL F UEL
1. Bring the engine to operating temperature.
2. Loosen the adjusting nuts on the Throttle Solenoid.
3. Have an assistant press the enable trigger on the Upper Controls joystick.
4. Adjust the nuts on the Throttle Solenoid Piston until the engine RPM is 3400±50.
5. Tighten the nuts to secure the adjustment.