Mercury 92-8M0069603

Section 4 - Maintenance
Page 30 90-8M0113986 eng DECEMBER 2015
Each day start
• Check the engine oil level. (This interval can be extended based on operator experience with the
product.)
• Check the engine coolant level.
• Check the transmission oil level.
Each day end
• If operating in saltwater, brackish water, or polluted water, flush the seawater section of the
cooling system after each use.
• Drain any water from the primary fuel filter after each use. (Drain any water from both fuel filters
if operating in freezing temperatures.)
Weekly
• Drain any water from the fuel filters.
• Check the seawater inlets for debris or marine growth.
• Check and clean the seawater strainer.
Every Two Months
• Check the battery connections and fluid level.
• Treat the engine surfaces with Corrosion Guard if operating in saltwater, brackish water, or
polluted waters.
• Inspect the air filter. (Inspect every two months or every 50 hours, whichever occurs first.)
• Inspect the engine anodes and replace if eroded by 50% or more.
• Ensure that the gauges and all wiring connections are secure.
• Clean the gauges. (If operating in saltwater reduce the interval to every 25 hours or 30 days,
whichever occurs first.)
Scheduled Maintenance
After first 50 hours
• Clean the transmission oil filter and change the transmission oil.
Annually
• Touch‑up the power package with paint and spray with Corrosion Guard.
• Clean the transmission oil filter and change the transmission oil.
Every 100 hours or annually
(whichever occurs first)
• Check the steering system and the remote control for loose, missing, or damaged
parts. Lubricate the cables and linkages.
• Check the engine alignment.
• Torque the engine mounts.
• Check the electrical system for loose, damaged, or corroded terminals.
• Inspect the cooling system and the exhaust system for damage or leaks. Check
both systems hose clamps for tightness.
• Clean the transmission oil filter and change the transmission oil.
Every 200 hours or annually
(whichever occurs first)
• Change the engine oil and filter.
• Replace the fuel filters.
• Replace the air filter.
• Inspect the condition and tension of the engine accessory drive belts.
• Disassemble and inspect the engine seawater pump and replace worn
components.
• Check the seawater pump drive belt.
• Clean the seawater section of the closed cooling system. Clean, inspect, and test
the pressure cap. Check the anodes and replace if eroded by 50% or more.
• Clean the seawater strainer.
• Check the closed cooling fluid level and level of protection.
• Check the run history for faults.
• Check the engine timing belt.
Every 2 years
• Replace the engine coolant.
Every 1000 hours or 5 years
(whichever occurs first)
• Replace the engine timing belt.
• Clean the fuel tank.
• Clean the aftercooler core.
According to OEM Schedule • Check the engine to propeller shaft alignment.