Benchmark BW4400, User Manual, Page: 34 / 110

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6.2 CHANGING THE ENGINE OIL
WARNING!
Used motor oil can cause skin irritations if left in long-term contact with
skin. Thoroughly wash off used oil as soon as possible with soap and
water.
Do not dispose of used oil in drains or on soil. Local service shops provide
environmentally-friendly disposal methods.
Drain the oil rapidly and completely on a level surface while the engine is still warm.
1. Stop the engine and remove oil filler dipstick.
2. Place a pan under the engine to catch the oil.
3. Remove the oil drain bolt and allow the oil to completely drain into the pan by
tilting the pressure washer back and to the side to empty the oil from the
crankcase.
4. Return the pressure washer to a level position and reinstall drain bolt. Fill the
engine with fresh oil (SAE 10W-30 4 Cycle Engine Oil) up to the maximum
mark on the dipstick without threading it back in (Maximum capacity 1.1L).
Do not overfill oil reservoir. Use a funnel to prevent spillage.
5. Reinstall the oil filler dipstick and tighten.
Note
Oil Drain Bolt
Oil Drain Pan
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