Found this check list in my computer files. I don’t recall
the source. Like most of us, I’d have a few additions, deletions, and changes - but it seems complete enough to provide a decent starting point from which to customize your own check list.
Periodic Maintenance Schedules:
Once a day:
~ Apply sunscreen.
~ Air out and dry out bedding.
~ Walk the deck
, looking at all hardware
, lines, covers, etc. Adjust chafe points on all lines.
~ Check drains in cockpit
and chain locker.
~ Check bilges and through-hulls.
~ Check electrical
panel for popped breakers, proper settings, etc.
~ Make log book entries.
~ Inspect all stored fruits and vegetables for mold/decay.
Once a week:
~ Check transmission oil
~ Check belts.
~ Check engine oil
~ Check engine coolant
~ Check frequently-used raw water
intake strainers (engine and genset ?).
~ Check frequently-used heat-exchanger zincs (engine and genset ?).
~ Visual check of batteries.
~ Operate and inspect all seacocks.
~ Quick look into all lockers, compartments, cabinets, etc for anything wrong.
~ Run all pumps, including emergency
and manual ones. Clean strainers for all bilge
pumps. Make sure all bilge
pumps actually pump water
. Make sure a couple of buckets are easily accessible.
~ Clean and dry the bilge.
~ Check for loose bolts on roller-furler, wind-vane, and steering
~ If have roller-furling, and kept in one position over last week, roll sails
in/out to keep the bearings from freezing up.
~ If anchor windlass
unused over last week, roll rode
in/out to keep the windlass parts
~ Disinfectant scrub of toilet and head
~ Check navigation
lights and flashlights.
~ Wash hull
~ Practice celestial navigation
Once a month:
~ Check/clean all water
~ Check engine air filter visually (don't remove it).
~ Check for oil under engine; clean oil off engine mounts with water and dishwashing liquid.
~ Check drive train grease points.
~ If pedestal/cable steering
: lubricate cable sheave bearings and check cable tension.
~ Test emergency
~ Wind-vane: wash with fresh water, then lubricate. Clean the oar. Inspect everything for cracks and loose bolts.
~ Check propane
system for leaks
~ Hose off and lightly oil winches.
~ Oil anchor
~ Lubricate bow roller.
~ Lubricate zippers and snap fasteners on canvas
with silicone grease.
~ Lubricate gaskets/seals on hatches, ports
and deck-fillers with Vaseline.
~ Check/clean all anti-siphon valves and vented loops.
~ Change watermaker's pre-filter.
~ Check for corrosion
and loose wiring
~ Equalize/condition (slow-charge at higher voltage) wet-cell batteries.
~ Clean engine and touch up chipped/bare spots with high-temperature paint
. (Don't get paint
~ Check bilge pump
screens/strainers. Clean the pumps if they look messy.
~ Dive over and clean off stuff growing on the hull
~ Pretend water is rising in the cabin
. Practice quickly checking all through-hulls and head
~ Imagine that the boat next to you has caught fire. How quickly can you start the engine, cast off and get away ?
~ Practice (or at least review) First Aid techniques.
~ Inspect MOB equipment
and practice MOB
~ Inspect and shake up fire extinguishers.
~ Do a surprise fire drill (to the point where everyone has a fire extinguisher in their hands and pointed at the base of the "fire").
~ Test fume alarms.
~ Test EPIRB
with built-in self-test.
~ Bring contents of all lockers up onto deck
, to dry out, air out, and let sun kill mildew.
~ Unpack, inspect and re-bag all stowed sails
~ Uncoil, inspect and re-coil all stored lines.
~ Clean refrigerator
and vegetable/fruit storage
areas with bleach.
~ Clean insides of dorades and other vents with vinegar or Chlorox solution to kill mold
~ Clean insides of snorkels and mouthpieces with vinegar or baking soda to kill mold/mildew.
Every six months:
~ Check fittings at top of mast
~ Check screws at top and bottom of roller-furler.
~ Turn anchor chain end-for-end.
~ Empty and scrub out chain locker.
~ Wash anodized aluminum
(mast, spars, etc) and rigging
wires with fresh water.
~ Test all hatches/ports/lockers for leaks
by dumping water on them.
~ Test deck filler caps for leaks by putting a little water on thread gaps and seeing if it drains.
~ Inspect all sails.
~ Lubricate mainsail
track on mast
~ Lubricate sail hanks.
~ Lubricate and work all turnbuckles.
~ Check oil in anchor windlass.
~ If hydraulic steering
: check pressure, look for leaks at joints.
~ Clean and wax gelcoat
~ Sample fuel
from bottom of fuel tank
. Pump it into a clear jar and let it settle.
~ Check/tighten all zincs. If totally corroded or not corroding at all, there is a problem.
~ Check hoses, hose clamps, and exhaust
~ Check refrigerant pressure and fluid level.
~ Vacuum/wash refrigerator
~ Inspect engine sea water pump impeller.
~ Check "weep hole" at bottom of engine water pump with engine running; if steady dripping, replace seal.
~ Scrub out water tanks
with bleach and water (if non-aluminum) or Aquabon (if aluminum), rinsing well.
~ Shock treat fresh water system with bleach, rinsing well.
~ Check oil in outboard motor gearbox
~ If have folding or feathering propeller
, re-grease it.
~ Lubricate rudder
~ Clean corrosion
~ Inspect storm equipment
(sea anchor, drogue
, storm sails) and practice deploying it.
~ Test all contents of abandon-ship bag and liferaft
~ Inspect (and use) PFDs, harnesses, jacklines
, MOB equipment. Orally inflate all inflatable
PFDs and let them sit for 16 hours.
Once a year:
~ Haul out
and bottom-paint ? (See also “Haulout” Check List)
+ Remove, clean and reseal the mast boot.
+ Pull and re-grease any stainless-steel fittings on aluminum
masts or spars.
+ Wax anodized aluminum (mast, spars, etc).
+ Dye test for cracks in swaged fittings.
+ Dismantle, clean, lubricate winches.
+ Service/lubricate the compass
+ Retune the rig.
+ Wash halyards and dock-lines.
(disassemble and lubricate) all seacocks.
+ If pedestal/cable steering, dismantle and check everything.
+ Inspect the rudder
+ Repack stuffing box.
+ Check all struts and fasteners related to the propeller shaft.
+ Remove and inspect propeller and key. If has plastic bushing, replace bushing and key.
+ Repack bearings on engine idler pulleys.
+ Disassemble exhaust
pipe and check for carbon.
+ Change transmission
+ Clean heat exchanger
+ Change engine coolant
(use correct type for your engine).
+ Replace engine water-pump impeller (save old one as spare if not damaged).
+ Replace all belts (save old ones as spares if not damaged).
+ Clean engine air filter (wash with kerosene ?).
+ Clean engine intercooler.
+ Check engine mounts.
+ Check engine-propeller alignment.
+ Remove propeller, inspect, check shear pin, grease, reassemble.
+ Change oil in gearbox
+ Replace water-pump impeller, seals
+ Replace disposable inline fuel filter
+ Clean filter screen
on integral fuel tank
+ Inspect starter rope
Rebuild the head (even if it is working fine).
+ Or at least replace the joker valve.
+ Replace holding tank
+ Flush refrigerator condenser with muriatic acid.
+ Clean gaskets on all ports
, lubricate with silicone spray.
+ Have EPIRB
tested by USCG or manufacturer.
+ Have liferaft
tested and repacked.
+ Replace triggers in automatically inflatable
+ Inspect all tanks
for leaks/corrosion and proper mounting.
+ Sand and repaint propane
aluminum tape on propane connections.
+ Check bonding wires for continuity and low resistance.
+ Unplug all electrical
connectors and check for corrosion.
+ Varnish cabin sole
+ Review stowage plan, discard unused stuff, and look for ways to increase stowage space/utility.
+ Make sure all licenses/documentation (boat, dinghy
, etc) are up to date. You can renew USCG Documentation
by filing form CG-1280 without waiting for renewal notice to arrive.
+ Review boat insurance
to see if terms and valuation remain appropriate.
+ Check with manufacturers to see if there are any software
updates to GPS
, SONAR, auto-pilot, RADAR
, radios, EPIRB, computer, inverter
, navigation software
+ Replace expired medicines.
+ Have a skin-cancer examination.
+ First Aid refresher class ? SCUBA
skills refresher class ?
+ Have SCUBA regulator
+ Have camera
and lenses professionally cleaned to remove mold/mildew.
Every two to three years:
~ Replace engine thermostat (save old one as spare if not damaged).
~ Replace all engine hoses and hose clamps (save old ones as spares if not damaged).
~ Steam-clean the fuel
~ Clean the water tank.
~ Regalvanize anchors and chain.
~ Pull mast and inspect mast base, mast step and all wiring
~ Pull a couple of keel bolts
and inspect them.
~ Replace centerboard
~ Repack the rudder bearings.
~ Replace jack-lines (especially if nylon webbing; UV damage weakens them).
~ Replace valve on inflatable dinghy
~ Have SCUBA tank hydrostatically tested.
~ Expect to have to replace batteries.
Every five to seven years:
~ Remove and rebed all through-hulls.
~ Remove and rebed all deck hardware
~ Replace standing rigging.
~ Replace lifelines
~ Replace anchor chain.
~ Replace steering cables
~ Replace exhaust manifold and riser.
~ Replace rubber engine mounts.
~ Replace smoke/fume alarms even if still working.
~ Have electrical system survey
~ Expect to have to replace all sails.
~ Expect to have to rebuild diesel
* Every 8 hours of engine running:
~ Add shot of grease to stuffing box (if greased).
* Every 20 hours of engine running:
~Test engine coolant with coolant tester.
~ Test batteries with hydrometer.
~ Check engine hoses, clamps, wires, tubes, belts, mounts, drip pan, vents, gaskets.
* Every 50 hours of engine running:
~ Have engine oil analyzed ?
~ Change oil and filter. (Use for-diesel-engines oil only.)
~ Inspect zincs in heat exchanger
and exhaust riser.
~ Remove anti-siphon valve in exhaust system, wash it with warm soapy water, and inspect it.
~ Check engine air intake system for dust, rust, water, salt
~ Check for loose bolts on engine (due to vibration).
~ Inspect/clean outboard
motor's spark plugs.
* Every 100 to 150 hours of engine running.
~ Change primary fuel filter
~ Adjust valve clearance.
~ Retorque cylinder head bolts.
~ Tighten fuel lines.
~ Decarbonize outboard motor with fuel additive ? (Clean spark plug
* Every 300 hours of engine running.
~ Replace air filter (maybe at 200 hours, or every 3rd oil change).
~ Change secondary fuel filter.
~ Change transmission oil.
~ Top up autopilot
oil (for an in-decks pilot).
~ Replace crankcase ventilation air filter.
~ Replace outboard motor's spark plugs.
E. & O. E.