Winco — Changing the Oil
Maintenance · engine
From a Winco service manual covering: WL12000HE-03/A, WL12000HE-03/B, WL12000HE-03/C, WL12000HE-03/D. Check it applies to your exact model before use.
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Before you start
- Remove spark plug wire before draining oil to prevent accidental starting
Procedure
- Start the engine and warm it up, stop the engine and remove the spark plug wire
- Attach a neoprene hose to the oil drain valve and drain the oil into an approved container
- Remove the oil filter and dispose of it properly
- Clean the filter mounting base and coat the seal of the new oil filter with clean engine oil
- Install the oil filter by hand until the gasket contacts the adapter, then tighten 1/2 to 3/4 turn
- Replace oil drain bolt making sure the sealing washer is in place
- Remove the oil filter plug and refill with new oil of the proper grade
- Replace filter plug
- Start the engine and warm it up
- Recheck the oil level and refill as necessary
Specs & values
- Oil capacity 57-58 oz (1.78-1.81 qt)
Source: Winco service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.