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SERIES 60 MAINTENANCE OF MARINE ENGINES

Marine engine components must be maintained at various intervals. ‪

Fuel Cooler

The component must be inspected, serviced, corrected or replaced as necessary at the given interval. Refer to section . ‪

  • Every 400 hours Remove, clean, inspect.
  • Every 4 years Replace.

Fuel Injectors

The component must be inspected, serviced, corrected or replaced as necessary at the given interval. Refer to section . ‪

  • Every 1,000 hours Replace on pleasure craft marine engine.
  • Every 5,000 hours Replace on commercial marine engine.

Vibration Damper

The component must be inspected, serviced, corrected or replaced as necessary at the given interval. Refer to section . ‪

  • Replace at time of engine overhaul.

Heat Exchanger

The component must be inspected, serviced, corrected or replaced as necessary at the given interval. Refer to section . ‪

  • Every 400 hours or 2 years (whichever comes first) Clean and flush.
  • Every year Check low coolant level sensor operation.

Charge Air Cooler Keel-Cooled Engine

The component must be inspected, serviced, corrected or replaced as necessary at the given interval. Refer to section . ‪

  • Every 5000 hours or 1 year (whichever comes first) Clean and flush.

Raw Water System Zincs

The component must be inspected, serviced, corrected or replaced as necessary at the given interval. Refer to section . ‪

  • After the first 60 hours Inspect for cavitation.
  • Every 200 hours or 1 year (whichever comes first) Inspect and replace on pleasure craft marine engine.
  • Every 5000 hours or 1 year (whichever comes first) Inspect and replace commercial marine engine.

Marine Gear

The component must be inspected, serviced, corrected or replaced as necessary at the given interval. Refer to section . ‪

  • Every 1000 hours Replace gear oil and filter.
  • Every 1000 hours Check mounting bolts and pads and retighten or replace.
  • Every 800 hours or 4 years (whichever comes first) Replace gear oil cooler on pleasure craft marine.
  • Every 10,000 hours or 4 years (whichever comes first) Replace gear oil cooler on commercial marine engine.

Valve Lash and Injector Height

The component must be inspected, serviced, corrected or replaced as necessary at the given interval. Refer to section . ‪

  • After the first 1500 hours Check and reset, if required.

Crankcase Breather (in valve rocker cover)

The component must be inspected, serviced, corrected or replaced as necessary at the given interval. Refer to section . ‪

  • Every 1000 hours Remove, clean.

Thermostats and Seals

The component must be inspected, serviced, corrected or replaced as necessary at the given interval. Refer to section . ‪

  • Every 400 hours or 2 years (whichever comes first) Replace on pleasure craft marine engine.
  • Every 10,000 hours or 2 years (whichever comes first) Replace on commercial marine engine.

Engine Mounts

The component must be inspected, serviced, corrected or replaced as necessary at the given interval. Refer to section . ‪

  • Every 1000 hours Check and retighten.

Air Separator Filter Element and Vacuum Limiter

The component must be inspected, serviced, corrected or replaced as necessary at the given interval. Refer to section . ‪

  • Every 250 hours Clean and re-oil.
  • Every 10,000 hours Replace.

Water Pump

The component must be inspected, serviced, corrected or replaced as necessary at the given interval. Refer to section . ‪

  • Every 100 hours or 6 months (whichever comes first) Inspect drain hole for plugging.

Fuel Filters

The component must be inspected, serviced, corrected or replaced as necessary at the given interval. Refer to section . ‪

  • Every 250 hours Replace Spin-on primary and secondary fuel filters on heat exchanger-cooled pleasure craft marine engine.
  • Every 250 hours Replace Sea Pro 150 or 300 primary fuel filters and secondary spin-on filter on heat exchanger-cooled pleasure craft marine engine.
  • When fuel level reaches top of element in see-thru cover Replace element in Sea Pro 152 primary filter.
  • Every 150 hours Replace spin-on primary and secondary filter on keel-cooled commercial marine engines.
  • Every 150 hours Replace Sea Pro 150 or 300 primary fuel filters on keel-cooled commercial marine engines.

Lube Oil Filters

The component must be inspected, serviced, corrected or replaced as necessary at the given interval. Refer to section . ‪

  • Every 250 hours Replace Spin-on lube oil filters on heat exchanger-cooled marine engine.

Air Cleaner

The component must be inspected, serviced, corrected or replaced as necessary at the given interval. Refer to section . ‪

  • Every 150 hours Inspect element and clean or replace, as required.

Battery

The component must be inspected, serviced, corrected or replaced as necessary at the given interval. Refer to section . ‪

  • Every month Inspect for charge.

Engine Coolant

The component must be inspected, serviced, corrected or replaced as necessary at the given interval. Refer to section . ‪

  • Every 250 hours or 3 months Test nitrite concentration and add supplemental coolant additives or dilute, as required.
  • Every 4000 hours or 2 years If installed, replace the required mix of Power Cool 3000 and water, or a 50/50 mix of Power Cool fully formulated ethylene glycol antifreeze and water, or a 50/50 mix of fully formulated propylene glycol and water. Drain, clean, and flush system before refill.
  • Every 10,000 hours or 4 years If installed, replace required mix of Power Cool Plus 6000 and water, or replace Power Cool Plus Marine antifreeze/water premix solution. Drain, clean, and flush system before refill.
  • At engine overhaul If installed, replace a 50/50 mix of phosphate-free TMC RP 329 "Type A" (IEG) or TMC RP 330 "Type A" (IPG) antifreeze and water. Drain, clean, and flush system before refill.
  • Every 8000 hours or 6 years If installed, replace 50/50 mix of NOAT coolant and water. Drain, clean, and flush system before refill.

Cooling System

The component must be inspected, serviced, corrected or replaced as necessary at the given interval. Refer to section . ‪

  • Every 500 hours Inspect hoses. Replace, if required.

Fuel System

The component must be inspected, serviced, corrected or replaced as necessary at the given interval. Refer to section . ‪

  • Every 500 hours Inspect hoses, except fire-resistant. Replace, if required.
  • Every 1000 hours Inspect fire-resistant hoses. Replace, if required.

Hoses

The component must be inspected, serviced, corrected or replaced as necessary at the given interval. Refer to section . ‪

  • Every 5 years Replace.