Sec Mack

Sec Mack Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from Sec Mack, Photography Videography, 2nd Floor, 1526 P. Santos Street corner EDSA, Makati.

โš“ 2nd Engineer at sea/ CE License Holder
๐Ÿ› ๏ธ I fix things that make the ship move
๐ŸŒŠ Salt in my veins, diesel in my soul
๐Ÿ”ง Sleep, eat, fix, repeat
๐Ÿ“ก Posting when thereโ€™s WiFi ๐Ÿ˜…
๐Ÿ“ธ Life onboard & beyond |

17/06/2026

๐—–๐—Ÿ๐—˜๐—”๐—ก๐—œ๐—ก๐—š ๐— ๐—”๐—œ๐—ก ๐—˜๐—ก๐—š๐—œ๐—ก๐—˜ ๐—™๐—จ๐—˜๐—Ÿ ๐—™๐—œ๐—Ÿ๐—ง๐—˜๐—ฅ๐—ฆ ๐—ฃ๐—ฅ๐—œ๐—ข๐—ฅ ๐——๐—˜๐—ฃ๐—”๐—ฅ๐—ง๐—จ๐—ฅ๐—˜ ๐Ÿšข๐Ÿ”ฅ

Cleaning the main engine fuel filters before departure ensures a clean and continuous fuel supply to the engine. Removing accumulated dirt and contaminants helps prevent fuel flow restrictions, improves engine reliability, and supports safe vessel operations.

๐—ง๐—ต๐—ฒ ๐— ๐—ฎ๐—ถ๐—ป ๐—˜๐—ป๐—ด๐—ถ๐—ป๐—ฒ ๐—˜๐˜…๐—ต๐—ฎ๐˜‚๐˜€๐˜ ๐— ๐—ฎ๐—ป๐—ถ๐—ณ๐—ผ๐—น๐—ฑ ๐—ถ๐˜€ ๐—ฎ ๐˜ƒ๐—ถ๐˜๐—ฎ๐—น ๐—ฐ๐—ผ๐—บ๐—ฝ๐—ผ๐—ป๐—ฒ๐—ป๐˜ ๐˜๐—ต๐—ฎ๐˜ ๐—ฐ๐—ผ๐—น๐—น๐—ฒ๐—ฐ๐˜๐˜€ ๐—ฒ๐˜…๐—ต๐—ฎ๐˜‚๐˜€๐˜ ๐—ด๐—ฎ๐˜€๐—ฒ๐˜€ ๐—ณ๐—ฟ๐—ผ๐—บ ๐—ฎ๐—น๐—น ๐—ฒ๐—ป๐—ด๐—ถ๐—ป๐—ฒ ๐—ฐ๐˜†๐—น๐—ถ๐—ป๐—ฑ๐—ฒ๐—ฟ๐˜€ ๐—ฎ๐—ป๐—ฑ ๐—ฑ๐—ถ๐—ฟ๐—ฒ๐—ฐ๐˜๐˜€ ...
17/06/2026

๐—ง๐—ต๐—ฒ ๐— ๐—ฎ๐—ถ๐—ป ๐—˜๐—ป๐—ด๐—ถ๐—ป๐—ฒ ๐—˜๐˜…๐—ต๐—ฎ๐˜‚๐˜€๐˜ ๐— ๐—ฎ๐—ป๐—ถ๐—ณ๐—ผ๐—น๐—ฑ ๐—ถ๐˜€ ๐—ฎ ๐˜ƒ๐—ถ๐˜๐—ฎ๐—น ๐—ฐ๐—ผ๐—บ๐—ฝ๐—ผ๐—ป๐—ฒ๐—ป๐˜ ๐˜๐—ต๐—ฎ๐˜ ๐—ฐ๐—ผ๐—น๐—น๐—ฒ๐—ฐ๐˜๐˜€ ๐—ฒ๐˜…๐—ต๐—ฎ๐˜‚๐˜€๐˜ ๐—ด๐—ฎ๐˜€๐—ฒ๐˜€ ๐—ณ๐—ฟ๐—ผ๐—บ ๐—ฎ๐—น๐—น ๐—ฒ๐—ป๐—ด๐—ถ๐—ป๐—ฒ ๐—ฐ๐˜†๐—น๐—ถ๐—ป๐—ฑ๐—ฒ๐—ฟ๐˜€ ๐—ฎ๐—ป๐—ฑ ๐—ฑ๐—ถ๐—ฟ๐—ฒ๐—ฐ๐˜๐˜€ ๐˜๐—ต๐—ฒ๐—บ ๐˜๐—ผ ๐˜๐—ต๐—ฒ ๐˜๐˜‚๐—ฟ๐—ฏ๐—ผ๐—ฐ๐—ต๐—ฎ๐—ฟ๐—ด๐—ฒ๐—ฟ ๐—ฎ๐—ป๐—ฑ ๐—ฒ๐˜…๐—ต๐—ฎ๐˜‚๐˜€๐˜ ๐˜€๐˜†๐˜€๐˜๐—ฒ๐—บ. ๐Ÿšข๐Ÿ”ฅ

โœ… Functions:
โ€ข Collects exhaust gases from individual cylinders.
โ€ข Channels exhaust energy to the turbocharger turbine.
โ€ข Reduces exhaust flow resistance (back pressure).
โ€ข Supports efficient engine performance and fuel economy.
โ€ข Delivers exhaust gases to emission control and silencing systems.

โš™๏ธ Working Principle:
1๏ธโƒฃ Fuel combustion occurs inside the cylinder.
2๏ธโƒฃ The exhaust valve opens during the exhaust stroke.
3๏ธโƒฃ High-pressure exhaust gases flow into the exhaust manifold.
4๏ธโƒฃ The manifold combines exhaust flow from all cylinders.
5๏ธโƒฃ The exhaust gases drive the turbocharger turbine before being discharged through the exhaust system.

๐Ÿ’ก Why It Matters:
A well-designed exhaust manifold improves turbocharger efficiency, engine performance, fuel economy, and overall reliability while safely handling extremely high temperatures.

๐Ÿšขโš™๏ธ๐Ÿ”ง

16/06/2026

๐——๐—ฟ๐—ฒ๐—ฎ๐—บ ๐—ฏ๐—ถ๐—ด. ๐—ช๐—ผ๐—ฟ๐—ธ ๐—ต๐—ฎ๐—ฟ๐—ฑ. ๐—ฆ๐˜๐—ฎ๐˜† ๐—ต๐˜‚๐—บ๐—ฏ๐—น๐—ฒ. ๐—˜๐—ป๐—ท๐—ผ๐˜† ๐—น๐—ถ๐—ณ๐—ฒ. ๐—ฃ๐—ฟ๐—ฎ๐˜†. ๐—ง๐—ฟ๐˜‚๐˜€๐˜ ๐—ถ๐—ป ๐—š๐—ผ๐—ฑ.

Everything happens in His perfect time. ๐Ÿ™โœจ

16/06/2026

๐—ง๐—”๐—ž๐—œ๐—ก๐—š ๐—ฆ๐—ง๐—˜๐—ฅ๐—ก ๐—ง๐—จ๐—•๐—˜ ๐—ข๐—œ๐—Ÿ ๐—ฆ๐—”๐— ๐—ฃ๐—Ÿ๐—˜ ๐—™๐—ข๐—ฅ ๐—ฆ๐—›๐—ข๐—ฅ๐—˜ ๐—”๐—ก๐—”๐—Ÿ๐—ฌ๐—ฆ๐—œ๐—ฆ ๐Ÿšข๐Ÿ’ฏ

Regular stern tube oil sampling helps monitor lubricant condition and detect water ingress, wear particles, or seal deterioration. Shore laboratory analysis provides valuable insights for preventive maintenance, ensuring shaft sealing integrity and reliable propulsion system performance.

16/06/2026

๐—ง๐—”๐—ž๐—œ๐—ก๐—š ๐— ๐—”๐—œ๐—ก ๐—˜๐—ก๐—š๐—œ๐—ก๐—˜ ๐—ข๐—œ๐—Ÿ ๐—ฆ๐—”๐— ๐—ฃ๐—Ÿ๐—˜ ๐—™๐—ข๐—ฅ ๐—ฆ๐—›๐—ข๐—ฅ๐—˜ ๐—”๐—ก๐—”๐—Ÿ๐—ฌ๐—ฆ๐—œ๐—ฆ ๐Ÿšข๐Ÿ’ฏ

Regular main engine oil sampling helps assess lubricant condition and identify wear particles, contamination, and potential machinery issues. Shore laboratory analysis supports condition-based maintenance, ensuring reliable engine operation and preventing costly breakdowns.

๐Ÿ”ง ๐—–๐—ฅ๐—”๐—ก๐—ž๐—–๐—”๐—ฆ๐—˜ ๐—ฅ๐—˜๐—Ÿ๐—œ๐—˜๐—™ ๐—ฉ๐—”๐—Ÿ๐—ฉ๐—˜ (๐—–๐—ฅ๐—ฉ) ๐Ÿ”งA Crankcase Relief Valve is a vital safety device installed on large diesel engines to p...
16/06/2026

๐Ÿ”ง ๐—–๐—ฅ๐—”๐—ก๐—ž๐—–๐—”๐—ฆ๐—˜ ๐—ฅ๐—˜๐—Ÿ๐—œ๐—˜๐—™ ๐—ฉ๐—”๐—Ÿ๐—ฉ๐—˜ (๐—–๐—ฅ๐—ฉ) ๐Ÿ”ง

A Crankcase Relief Valve is a vital safety device installed on large diesel engines to protect the engine and personnel from crankcase explosions.

โœ… Function

* Relieves excessive pressure inside the crankcase.
* Prevents damage caused by oil mist explosions.
* Protects engine components and crew.
* Automatically closes after pressure returns to normal.

โš™๏ธ Working Principle
1๏ธโƒฃ Under normal conditions, the valve remains closed.

2๏ธโƒฃ If overheating causes oil mist ignition inside the crankcase, pressure rises rapidly.

3๏ธโƒฃ When pressure exceeds the preset limit, the valve opens instantly.

4๏ธโƒฃ Hot gases are released through a flame-arresting mesh, preventing flames from escaping.

5๏ธโƒฃ Once the pressure drops to a safe level, the valve automatically closes.

๐Ÿšจ Why is it important?
A properly functioning crankcase relief valve can prevent catastrophic engine damage, fire hazards, and personnel injuries.

๐Ÿ“ธ Shown in the image: Crankcase Relief Valve installed on a large diesel engine, with flame-arresting mesh visible around the valve body.

15/06/2026

๐—˜๐˜ƒ๐—ฒ๐—ฟ๐˜† ๐—ฑ๐—ฎ๐˜† ๐—ถ๐˜€ ๐—ฎ ๐—ป๐—ฒ๐˜„ ๐—ฏ๐—ฒ๐—ด๐—ถ๐—ป๐—ป๐—ถ๐—ป๐—ด. ๐—•๐—ฒ ๐—ด๐—ฟ๐—ฎ๐˜๐—ฒ๐—ณ๐˜‚๐—น ๐—ณ๐—ผ๐—ฟ ๐—ต๐—ผ๐˜„ ๐—ณ๐—ฎ๐—ฟ ๐˜†๐—ผ๐˜‚โ€™๐˜ƒ๐—ฒ ๐—ฐ๐—ผ๐—บ๐—ฒ ๐—ฎ๐—ป๐—ฑ ๐˜€๐˜๐—ฎ๐˜† ๐—ต๐—ผ๐—ฝ๐—ฒ๐—ณ๐˜‚๐—น ๐—ณ๐—ผ๐—ฟ ๐˜„๐—ต๐—ฎ๐˜โ€™๐˜€ ๐—ฎ๐—ต๐—ฒ๐—ฎ๐—ฑ. ๐Ÿ™โœจ

15/06/2026

๐—˜๐—ฃ๐—œ๐—ฅ๐—• ๐Ÿšข๐Ÿ“ก๐Ÿ›ฐ๏ธ

An Emergency Position Indicating Radio Beacon (EPIRB) is a vital lifesaving device that automatically transmits a distress alert and the vesselโ€™s location via satellite when activated. It helps search and rescue authorities quickly locate and assist ships in distress.

15/06/2026

๐—ฅ๐—ข๐—–๐—ž๐—˜๐—ง ๐—ฃ๐—”๐—ฅ๐—”๐—–๐—›๐—จ๐—ง๐—˜ ๐—™๐—Ÿ๐—”๐—ฅ๐—˜๐—ฆ ๐—ข๐—ก๐—•๐—ข๐—”๐—ฅ๐—— ๐—” ๐—ฆ๐—›๐—œ๐—ฃ ๐Ÿšข๐Ÿš€๐Ÿ”ฅ

Rocket parachute flares are emergency distress signals used to attract attention during search and rescue operations. When launched, they rise to a high altitude and descend slowly under a parachute, producing a bright red light visible over long distances.

โš™๏ธ ๐—š๐—ข๐—ฉ๐—˜๐—ฅ๐—ก๐—ข๐—ฅ โš™๏ธYouโ€™re looking at a Woodward UG-10D mechanical-hydraulic governor, commonly used on marine engines and gen...
15/06/2026

โš™๏ธ ๐—š๐—ข๐—ฉ๐—˜๐—ฅ๐—ก๐—ข๐—ฅ โš™๏ธ

Youโ€™re looking at a Woodward UG-10D mechanical-hydraulic governor, commonly used on marine engines and generators to control speed and load.

Hereโ€™s a clear breakdown of each k**b and what it does:

โธป

๐Ÿ”ต 1. Speed Droop Setting (Top Left K**b โ€“ 0โ€“100%)

Function:

* Adjusts droop, which is how much the engine speed decreases as load increases.

Use:

* Low droop (near 0%) โ†’ Engine maintains nearly constant speed (good for single generator operation).
* Higher droop (e.g., 3โ€“5%) โ†’ Allows proper load sharing between multiple generators.

๐Ÿ‘‰ In simple terms: controls how โ€œstiffโ€ or โ€œflexibleโ€ the speed response is under load.

โธป

๐Ÿ”ต 2. Speed Setting (Top Right K**b โ€“ Slow โ†” Fast)

Function:

* Sets the desired engine speed (RPM).

Use:

* Turn toward FAST โ†’ increases engine speed.
* Turn toward SLOW โ†’ decreases engine speed.

๐Ÿ‘‰ This is basically your main throttle setting for the governor.

โธป

๐Ÿ”ต 3. Load Limit (Bottom Left K**b โ€“ 0โ€“10)

Function:

* Limits the maximum fuel delivery, and therefore the maximum load/power the engine can produce.

Use:

* Prevents overloading of engine or generator.
* Used during startup, synchronization, or troubleshooting.

๐Ÿ‘‰ Think of it as a power cap for safety and control.

โธป

๐Ÿ”ต 4. Speed Setting Indicator (Bottom Right K**b โ€“ 0โ€“20 scale)

Function:

* Fine adjustment and visual indication of speed setting.

Use:

* Helps make precise RPM adjustments.
* Often used during synchronization of generators.

๐Ÿ‘‰ Works together with the main speed k**b for fine tuning.

โธป

โš™๏ธ Side Adjustment (Compensation / Stability Lever)

You can also see a small side scale labeled COMPENSATION.

Function:

* Adjusts governor stability and response time.

Use:

* Prevents hunting (speed oscillation).
* Fine-tunes how quickly the governor reacts to load changes.

Address

2nd Floor, 1526 P. Santos Street Corner EDSA
Makati
1233

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