Oil Cooler (Optional) - Briggs & Stratton Twin Cylinder L-Head Repair Manual

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Oil Cooler (Optional)

Some models are equipped with an optional oil cooler,
Fig. 38. The oil cooler is mounted on the cylinder cover
plate. Filtered oil is routed through the oil cooler
through two oil lines from a special oil filter adapter.
Forced air from the flywheel fan flows through the oil
cooler fins dissipating heat from the engine oil.
The oil filter adapter and the oil supply line to the oil
cooler are equipped with a 1/8" NPTF fitting if a
pressure switch and oil pressure gauge is used.
The oil cooler fins should be checked periodically for
debris and cleaned with compressed air or a soft bristle
brush.
Fig. 38 – Oil Cooler (Optional)
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