DRAINING
Contact your authorized Mercury MerCruiser dealer.
CLEANING
Contact your authorized Mercury MerCruiser dealer.
Changing Fluids
See the Maintenance Chart for the lubricant change frequency. The lubricant
should be changed before placing the boat in storage.
Power trim and power steering fluids do not require changing.
CRANKCASE OIL AND FILTER (BOAT IN THE WATER)
IMPORTANT: When changing the oil, make sure that the engine is near
operating temperature. Use only the recommended motor oil (refer to
Specifications).
1. With the engine off but at normal operating temperature, remove the
dipstick.
2. Install the crankcase oil pump onto the dipstick tube.
3. Insert the hose end of the crankcase oil pump into an appropriate
container and, using the pump handle, pump until the crankcase is empty.
a - Crankcase oil pump
b - Crankcase oil pump hose
4. Remove the crankcase oil pump.
5. Place a container beneath the oil filter.
NOTE: To allow the oil to drain from the filter, loosen the filter just enough to
break the internal vacuum. Let the oil drain back into the system for 15
minutes prior to complete removal of the filter.
a - Crankcase oil filter
6. Remove the oil filter from the adapter, and discard the old oil filter and old
sealing ring.
7. Coat the sealing ring on the new filter with motor oil, and install a new
sealing ring and filter.
MAINTENANCE
eng 59
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