Engine maintenance oil, Changing engine oil – Craftsman 919.678250 User Manual
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• Pull the trigger on the gun and hold.
• When the water supply is steady and constant,
disengage trigger and refasten the wand extension.
Engine Maintenance
Oil
• Oil level should be checked prior to each use
or at least every 5 hours of operation. To check oil see
Adding Engine OH on page 9.
Changing Engine Oil
For a new engine, change oil after the first 5 hours of
operation. Thereafter, change oil after every 50 hours of
operation.
Change the oil while the engine is still warm. The oil will
flow freely and carry away more impurities. Make sure
the engine is level when filling, checking, or changing oil.
Change the oil as follows:
• To keep dirt, grass, etc., out of the engine, clean the
area around the drain plug and oil plug before
removing it.
• Remove the oil drain plug and oil plug. Tilt the engine
slightly towards the oil drain to obtain better drainage.
Be sure to allow ample time for complete drainage.
• Reinstall the drain plug. Make sure it is tightened
securely.
• Fill the crankcase with new oil of the proper type, to
up to the thread in the oil port. Pour slowly.
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