Volvo Diesel

Every 100 Hours / Annually
Change Engine Oil
Replace Oil Filter

Every 200 Hours / Annually
Replace Crankcase Ventilation Filer
Reaplce Air Filter
Check Drive Belt Tension
Check Compressor Oil
Check Sea Water Pump Impeller
Check Charge Air Cooler, Heat Exchanger Anodes
Replace Fuel Filter & Fuel Pre Filter
Check Exhaust Hoses & Cooland Hoses
Clean & Touchup Outboard Drive Paintwork
Check Rubber Hoses & Tighten Hose Clamps
Check EVC Sytem with Diagnostic Tool

Every 400 Hours / Annually
Check Outboard Drive Oil & Replace Oil Filter
Check Drive Anodes

Volvo Gas

Every 50 Operating Hours
Check battery level and connections
Check alternator and power steering belts
Check pump
Check exhaust system hoses/clamps (leakage)
Check fasteners (screws, nuts, etc.)
Check flame arrestor (mounting)
Check fuel system (leakage)
Check impeller, water pump (Replace bi-annually)
Check/Fill power steering (Operation/Fluid)
Check/Fill power trim/tilt (Operation/Fluid)
Check/Adjust propeller & shaft
Adjust remote control shift cable

Annually
Check the following:
Exhaust manifold and risers
Distributor cap & rotor
Fuel system (leakage)
Propeller & Shaft (lubricate)
Remote control shift cable
Spark plug wires & boots
Throttle cable (lubricate)
Serpentine belt
Engine alignment & mounting screws
Exhaust manifold and risers
PCV valve
Shift system
Universal joints
Universal joint bellows
Lubricate steering system cable
Lubricate Gimbal bearing
Lubricate drive shaft splines
Replace the following:
Drive bellows and clamps
Fuel filter, Carburetor
Fuel filter, Engine
Impeller, Water pump
Oil, Engine crankcase & drive
Oil Filter, Engine
Spark plug

CUMMINS Diesel

Interval –125 hours or 3 months
Repeat daily checks
Check/adjust sea water pump belt
Check electrical connections
Check/correct air cleaner restriction
Clean/clean sea water strainer
Check/replace zinc anodes

Interval -250 hours or 6 months
Repeat Daily and 125 hour checks
Change engine oil and filters
Check/correct antifreeze concentration (%)
Check/Inspect sea water pump/impeller
Replace fuel/water separator element
Replace fuel filter (engine mounted)

Interval -500 hours or 1 year
Repeat Daily, 125 and 250 hour checks
Check sea water pump
Check/correct belt tensioner
Check batteries
Check/replace drive belts
Flush aftercooler
Flush gear oil cooler
Flush heat exchanger
Check air cleaner element
Check engine mounting bolts
Check vibration isolators

Mercruiser Gas

20 Hr Break In
Change the engine oil and filter.
• Change the engine oil and filter.
• Change the transmission fluid and filter.
ZF Marine requires changing
the transmission fluid and filter maintain warranty.

Every 100 hours or annually.
• Touch up the paint on the power package.
• Change the engine oil and filter.
• Change the transmission fluid (ZF Transmission Models).
• Replace the water separating fuel filter element.
• Clean the flame arrestor, IAC muffler (MPI engines)
Clean crankcase Clean ventilation hoses. Inspect the PCV valve
• Inspect the condition and the tension of the belts.
• Check the coolant level and antifreeze concentration.

Every 300 hours or 3 years
• Check the engine mounts for tightness and
tighten to specifications if necessary.
• Check the electrical system for loose, damaged,
or corroded fasteners.
• Check the cooling system and the exhaust system hose
clamps for tightness. Inspect both systems for damage or leaks.
• Disassemble and inspect the seawater pump
and replace worn conponents.
• Clean the seawater section of the closed cooling system.
Clean, inspect,and test the pressure cap.
• Inspect the exhaust system components.
If the package was equipped with water shutters (flapper valves),
verify that they are not missing or worn.