Weichai America Corp.
Revision: October 2018 13
Engine Operation
WARNING
The use of starting fluids could create an extremely hazardous condition and is not authorized
with this engine. The use of starting fluid could cause severe injury and/or damage to
equipment.
1. Pre-Start Engine Check
• Verify engine oil level is correct
• Verify engine coolant level is correct
• Inspect engine for leaks or a frayed belt or any condition or appearance out of the
ordinary
• Verify all belts and moving parts are clear of obstructions
• Verify the “Check Engine” light is on with the key in the “ON” position and the engine not
running (if applicable)
2. Engine Starting
With the controls in the idle position, start engine. To prevent damage to the starter, do not
engage the starter motor for more than fifteen (15) seconds. Wait two (2) minutes between each
start attempt to allow the starter motor to cool.
If oil pressure reading does not indicate normal oil pressure(≥130kPa) within fifteen seconds of
engine start, immediately shut down the engine to avoid damage to the engine. Service the
engine prior to attempting to start engine again.
3. Performance
For monthly engine system check, idle the engine for at least one (1) minute before applying
operating load. Verify the “Warning” light is not illuminated during engine operation. Inspect for
fuel, coolant, and oil leaks with engine operating. If leaks are found, shut down engine and repair
leaks before operating engine.
It is forbidden to operate engine at idle speed for long time.
4. Engine Shut-Down
If engine has been running under load and reached operating temperature, run engine for five (5)
minutes at idle without a load to allow engine to cool before engine shut down. The engine may
run one to five seconds while the fuel is depleted from the engine’s fuel system.
Document Courtesy of Fly Parts Guy Co.
www.FlyPartsGuy.com
Document Courtesy of Fly Parts Guy Co.
www.FlyPartsGuy.com
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