PRINTABLE MAINTENANCE WORKSHEET · Monthly / engine-specific interval

Monthly Engine & Electrical Review

Keep maintenance records consistent and identify developing charging or propulsion faults.

About 45 min12 checks

0 of 12 checks completed

Vessel Date Checked by

01 · Propulsion

Record engine running hours, upcoming manual maintenance intervals and faults.
Inspect accessible belts, hoses and mounts with the engine stopped and cool.
Check for fuel, coolant or oil leaks and investigate their source.
Review raw-water strainer condition and exhaust-water flow notes.

02 · Charging

Record start and house battery voltage trends at comparable charge conditions.
Review alternator, solar and DC-DC charging peaks against battery limits.
Check visible charging cables for heat damage or chafe without disconnecting live parts.
Record charge-controller errors or BMS warnings for follow-up.

03 · Records and spares

Review fuel-filter and impeller replacement records against the manuals.
Count essential engine spares and verify exact compatible part numbers.
Log corrosion or moisture around accessible wiring and terminal covers.
Create a specific repair list for unusual readings or new noises.

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Safety reminder

Do not adjust a running alternator belt, open a hot coolant circuit or loosen high-pressure diesel or watermaker lines.

General educational checklist only. Adjust for your boat's equipment, actual conditions and manufacturer maintenance schedule. A checkmark does not certify seaworthiness.

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