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What is a Marine Engine Survey?
A term used to describe an engine condition assessment (evaluation) in the marine industry. As with other types of marine survey, ‘engine surveys’ are usually performed during boat or ship sales and may be required periodically for insurance purposes.
External visual inspection of the engine coupled with extensive computerized dealer level diagnostic testing on engines with ECM (Electronic control module) hook up. supplied on most engine models 2000 and newer.
Upon request, a compression tests, borescope test, can be provided at an additional charge. Following our diagnostics, we provide you with a detailed written report of our findings.
explaining any issues we’ve discovered, and the steps needed to optimize your engine’s performance. oil analysis included in diagnostic service.
What testing is included in a Marine Engine Survey / Sea Trial.
ECM Hook up: connection of computerized diagnostic port. were applicable.
Cooling System Pressure Test: Pressure testing the cooling system of a boat is essential to identify leaks and ensure proper functioning.
Cold Engine Starting:
WOT (wide open throttle): usually between 5 – 10 minutes. nearly every marine diesel engine manufacturer warrants their engines ability to operate at full throttle for 10 minutes. M rating M1 – M5
Instrument and warning light alarm functionality:
Engine vibration: observed throughout its operating range.
Exhaust manifold temperature:
Engine Oil temperature: before and after the lube oil cooler.
Transmission Oil Temperature: before and after the transmission oil cooler.
Fuel oil temperature: before and after the fuel oil cooler.
Coolant temperature: before & after the heat exchanger.
Pressure to seawater inlet restriction or vacuum:
Engine oil pressure:
Transmission oil pressure:
Fuel oil & turbo boost pressure: ECM equipped.
Exhaust gas temperature: ECM equipped.
Shaft log temperature:
Hoses & Clamps: checked for abrasion, cracking, kinking, deformation, and fitting.
Belts and (external) chains: checked for wear, cracking, tension, and flexibility.
Electrical wires: cables, and connections examined for corrosion and mechanical wear.
Noise or vibration while shifting in & out of gear:
Inspection of engine mounts:
Oil Analysis: We draw samples of engine and crankcase oil for laboratory analysis. The results of this analysis can alert you to a variety of issues ranging from worn out bearing to leaking head gaskets.
Coolant Analysis: Transmission oil analysis: if requested at additional cost of $75.00 per test.
Formal surveys end with a written report, which describes the engine’s general condition, along with any specific problems that the surveyor identified, and what service should be performed on the engine in the near term. Some surveys may estimate the engine’s value and/or how much the service/repairs are likely to cost.
Surveys vary in thoroughness/detail, according to how much the person commissioning the survey (by hiring the surveyor) wants to spend on it, but no survey will provide absolute guarantees, and most reports will contain a disclaimer of liability, describing the limitations of the assessment.
Marine Engine Survey Sample
Marine Engine Survey
Conducted by : Jeff Lendall & Sons. SBmarine diesel mechanic
M/V FANTASEA:
HIN/IMO: TRH55436K718 OFFICIAL#: 5436276 LOA: 55FT YEAR: 2018
ENGINE 1:
- Engine Make: MAN
- Engine Model: CR V12 2842-433
- Engine Type: Inboard
- Power HP: 1550.00
- Power KW: 1155.84
- Fuel Type: Diesel
- Hours: 1050.00
- Serial Number: 46108094609
- Engine Location: Port
- TRANSMISSION PORT: ZF Marine BW 465 3.231:1
ENGINE 2:
- Engine Make: MAN
- Engine Model: CR V12 2842-433
- Engine Type: Inboard
- Power HP: 1550.00
- Power KW: 1155.84
- Fuel Type: Diesel
- Hours: 1050.00
- Serial Number: 46128094609
- Engine Location: Starboard
- TRANSMISSION STRB: ZF Marine BW 465 3.231:1
GENERATOR 1:
- Generator Make: Onan
- Generator Model: 21kw
- Generator KW: 21.00
GENERATOR 2:
- Generator Make: Onan
- Generator Model: 13.5kw
- Generator KW: 13.50
ENGINE ROOM & HULL:
- Fuel priming pumps
- Bow thrusters
- Fuel transfer system
- Oil change system
- Eskimo ice machine
- 700 GPD water maker
- Additional sea water pump plumbed in parallel
- Delta T system
- Glendenning cable master
- Sound Down Mufflers, Surge Tubes, and Sound Tiles
BOW THRUSTERS: E170 eVision tunnel bow thruster 24V. Operated satisfactory.
FUEL FILTRATION SYSTEM: KEENANFILTERS KEENAN MK240DP-EFS (ELECTRIC FILTER SWITCH)
THROTTLE CONTROLS: Glendenning cable master Operated satisfactory.
ENGINE MOUNTS AND BED: Main engine beds are heavy longitudinal stringers inboard and outboard. Engine mounts appeared to be in serviceable condition.
LUBRICATION: Level indication is normal both port and starboard.
VENTILATION: Delta-T engine room ventilation system with thermostatically controlled supply and discharge fans. Operated satisfactory.
COOLING SYSTEM TYPE: Freshwater reservoir type cooling with seawater cooled wet exhaust. Operated satisfactory.
SEAWATER STRAINERS: Two 2in Groco bronze alloy with sight glass. Appeared serviceable.
COOLANT LEVEL: Normal levels observed. Pressurized expansion tanks on both engines to 23psi no noticeable drop in pressure. used heat sensing gun on all cooling system surfaces. operated normal.
HOSES AND CLAMPS: Double clamped where sighted. Appeared serviceable. Observation: Cooling hoses and hose clamps should be replaced at next service interval
BELTS AND PULLEYS: Belts condition appeared serviceable. Observation: Idler pulleys on both engines should be replaced at next service interval.
SEACOCKS AND STRAINERS: Seawater seacocks were ball valve type. Operated satisfactory.
EXHAUST SYSTEM: Seawater cooled with risers and flexible coupling sections double clamped where sighted. Operated satisfactory.
ENGINE ALARMS: Test of port and starboard low oil pressure alarm and coolant overheat warning audible at helm station. Operated satisfactory.
ENGINE SHUT DOWN: Port and starboard shut down push buttons at helm station clearly marked. Operated satisfactory.
STUFFING BOXES: Bronze packing gland style. No Vibration Operated adequately.
————————————————————————————————–
TRANSMISSION PORT: ZF Marine BW 465 3.231:1 Functioned adequately on sea trial. leaking excessively from shift selector.
TRANSMISSION STRB: ZF Marine BW 465 3.231:1 Functioned adequately on sea trial. leaking oil from top breather
GENERATOR: Cummins/Onan 700hours 23KW Model# 8MDKDJ6501C, Sound shield. Observation- Cooling system hoses & hose clamps & V-BELT should be replaced at next service interval.
SEATRIAL REPORT:
1. The engines started without excessive cranking.
2. The engine exhaust appeared normal.
3. The cooling water exhaust appeared adequate and normal.
4. The engine instruments operate within normal operating limits at idle, cruising speed and at wide open throttle.
5. The steering system operated normally.
6. The throttles operated normally.
7. The transmissions operated normally/smoothly.
8. The backdown test was satisfactory.
19. There were no excessive vibrations noted.
10. There were no oil or coolant leaks observed. (On main engines or in exhaust water)
WOT TEST: (wide open throttle) sea trial test for 3 minutes STRB. engine smoked a little more than PORT could be innercooler needs to be serviced. OIL ANALYSIS: Performed sample on both MAN Main Engines, Both transmissions & Onan generators
FINDINGS:
STRB MAIN ENGINE: has noticeable vibration that could be caused by harmonic balancer. or Transmission will know more when results from oil analysis come back.
PORT TRANSMISSION: leaking excessively from shift selector.
STRB TRANSMISSION: leaking oil from top breather
MARINE ENGINE SURVEY SUMMARY:
The results of the laboratory oil analysis will be sent under separate report.
As a result of my investigation, MARINE ENGINE SURVEY, and by virtue of my experience, my opinion is OVERALL ENGINE RATING: VERY GOOD:
M/V Fantasea Engineroom
MAN CR V12 2842-433 Port Side Engine
MAN CR V12 2842-433 Starboard side Engine
Cummins/Onan Generator 13.5 kw
Cummins/Onan Generator 21kw
TEXA Interactive Wire Diagram
TEXA Fuel Injector Diagram
TEXA Turbo Boost Pressure
Pricing:
Visual engine survey no computerized hook up: $500.00 per engine
Visual & ECM computerized survey: $750.00 per engine
Marine Diesel Generators: $400.00
Sea trial & Engine oil analysis included in cost.
-
Compression test
-
Engine coolant analysis
-
Transmission oil analysis
-
Borescope testing
-
Can be provided at an additional charge.
oil analysis included in diagnostic service. Formal surveys end with a written report, which describes the engine’s general condition, along with any specific problems that the surveyor identified, and what service should be performed on the engine in the near term.
Some surveys may estimate the engine’s value and/or how much the service/repairs are likely to cost. Surveys vary in thoroughness/detail, according to how much the person commissioning the survey (by hiring the surveyor) wants to spend on it.
but no survey will provide absolute guarantees, and most reports will contain a disclaimer of liability, describing the limitations of the assessment.
