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ENGINE OPERATION
WARNING
DO NOT RUN THE ENGINE AT EXCESSIVE SPEEDS. The maximum allowable high idle speed for the RANGER 8+ DIESEL is 3750 RPM, no load. Do NOT adjust the governor screw on the engine. Severe personal injury and damage to the machine can result if it is operated at speeds above the maxi- mum rated speed.
Read and understand all safety instructions included in the Ruggerini instruction manual that is shipped with your RANGER 8+ DIESEL.
BEFORE STARTING THE ENGINE
Check the engine oil level:
See Engine manual for location of dipstick.
1.Be sure the machine is on a level surface.
2.Remove the engine oil dipstick and wipe it with a clean cloth. Reinsert the dipstick and check the level on the dipstick.
3.Add oil (if necessary) to bring the level up to the full mark. Do not overfill.
4.Replace the dipstick.
Check the Oil Bath Air Cleaner:
With normal operating conditions, check the oil level in the air cleaner daily. Refer to the engine manual for the oil grade and other servicing information.
Check and fill the engine fuel tank:
WARNING
DIESEL fuel can cause fire or explosion.
•Stop engine when fueling.
•Do not smoke when fueling.
•Do not overfill tank.
•Keep sparks and flame away from tank.
1. Remove the fuel tank cap.
2.Fill the tank approximately
3.Replace the fuel tank cap and tighten securely.
CAUTION
USE DIESEL FUEL ONLY
Purchase diesel fuel in quantities that will be used within 30 days, to assure freshness.
STARTING THE ENGINE
CAUTION
Remove all loads connected to the AC power recepta- cles and the welder before starting the diesel engine.
1.Check for proper oil level on the oil dipstick.
2.Set “IDLER” switch to “AUTO”. 
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3.Check the fuel gauge to make sure that there is an adequate fuel level.
4.The engine used in the Ranger 8+ Diesel 
can be started in temperatures as low as 5°F 
WARNING
Under NO conditions should ether or other starting fluids be used in con- junction with the glow plugs. This may cause an explosion or fire!
5.Press the “START” button to crank the engine. 
Release when the engine starts. After running at high engine speed for
Note: Do not press start button while engine is running.
6.Check that the charge indicator light is off and that the oil pressure gauge indicates that there is sufficent oil pres- sure. If not, immediately stop the engine and investigate the indicated problem.
7.Allow the engine to warm up at low idle speed for several minutes before applying a load and/or switching to high idle. Allow a longer warm up time in cold weather.
STOPPING THE ENGINE
1.Remove all welding and auxiliary power loads and let the engine cool by running it for several minutes at low idle.
2.Stop the engine by pulling the stop cable and hold it ‘out’ until engine has stopped. A fuel shut off valve is not required on the RANGER 8+ DIESEL because the fuel tank is mounted below the engine.
RANGER 8+ DIESEL
