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Conduct a Preventive Maintenance on Your Diesel Engine

Whether you are using your diesel engine to power a backup generator, a car or a boat, you want it to run smoothly and efficiently. Even if there is nothing wrong with the machine, doing a preemptive maintenance and ensuring regular diesel fuel injection service will give you a peace of mind that your engine will function without a hitch throughout its lifetime.

Seeing how the diesel engine is a fairly durable and reliable machine, most of your maintenances will be preventive. A comprehensive maintenance service covers several crucial detailed areas, such as fuel system, exhaust, cooling, lubrication, and battery testing, in addition to a general inspection.

Diesel Engine - diesel fuel injector service

Delving into the specifics, here are brief descriptions of the key segments of the maintenance.

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The Navy is Upping the Power on Their RHIBs from Cummins 5.9 Liter QSB to a 6.7 Liter Cummins QSB - PCE Navy Ship Repair Can Do the Same

Most boat owners will probably agree that their boat could do with a bit more power. Repowering is probably a lot easier when you have a boat with an outboard motor. The navy, for instance, has decided to repower their Rigged Hull Inflatable Boats (or RHIB’s for short) from a 5.9 liter QSB engine to a 6.7 QSB engine, both produced by Cummins.

RHIBs are sturdy little inflatable boats usually used by the SEAL teams and other special forces of the US Navy, as well as other allied militaries for what they designate as NSW, or Naval Special Warfare. Being around 11 meters long (about 36 feet) and extremely light due to the fiberglass, aluminum or composite materials hulls, they really have the speed needed for such delicate operations as the SEALs certainly have. They can rake up to 40 knots, which translates to about 64 kilometers per hour.

To cope with such demand, these vessels were fitted with twin outboard engines, and not just any engines, Cummins 5.9 liters QSB engines. These were lauded as being extremely efficient and came in a range of horse powers, from the initial 380 HP, in 2004, increased to 425 in 2006 and finally 480 HP in the latest iteration in 2008. Despite being an excellent engine, the 5.9 liter QSB is now considered non-compliant with the latest EPA regulations, so installing it to a new boat might incur some penalties.

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White Smoke Indicates a Faulty Fuel System: Time for a Fuel Injector Service

 

The key of longevity for any engine is regular maintenance. Any time you see a change in the behavior, you need to address it. It might be a small problem, it may be the beginning of a huge issue, but either way, a quick reaction will ensure that the engine life is not compromised and that the costs to you are not unnecessarily high. So, what to do if the tailpipe is bellowing white smoke? And I don’t just mean a slight whiff of smoke when starting, or when the engine is at maximum load, I am talking regular usage white smoke. During really cold weather, it is reasonable to expect some, but an engine running at full power should show no visible smoke. If it does, it is time for a fuel injector service.

Faulty fuel system Fuel injector service

 

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PCE Can Save You Loads of Money with a Pre-Purchase Engine Survey

Conducting a marine survey prior to buying a boat is a prudent measure, as any reasonable and experienced broker would tell you. So, who do you put your trust in? Let’s look at some facts about boat surveys first before you decide on your marine surveys San Diego provider.

What is a boat survey?

In simple terms, it is a process of inspecting the boat to assess the current condition and how seaworthy it is. What’s more, it can discover any and all faults, maintenance requirements and, most importantly, any predictable future issues. This is the key reason to get one before deciding on the purchase.

A decent surveyor has some experience, and definitely knowledge about most boat types, things that can go wrong with them, and how to counteract the weak spots. Getting a survey done gives you security that a boating expert has deemed the vessel adequate. Having a less-than-adequate boat is having a sinkhole in your pocket. Not only would you pour dollar after dollar in it, but you would risk your life and property if you didn’t know the true condition of the vessel. There is, of course, the matter of insurance. It is unlikely there is an insurance company that would insure a vessel they know nothing about. They will not get involved if they don’t have the facts, and neither should you.

Engine Survey - marine surveys San Diego

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Conduct a Preventative Maintenance on Your Turbo

Nowadays, turbochargers are in practically every diesel engine. Not just big, high-performance ones, but also in regular cars. The reason is simple; the turbocharger gives the car the extra kick. This is all well and fine, but much as any other car part it requires some level of attention to ensure longevity and proper functioning. Here are some DIY tips for preventative maintenance of your turbocharger.

Lubrication is the key to turbo’s longevity

The first thing you need to know is that your turbo is connected to your engine. So, anything affecting the engine is most certainly affecting your turbocharger, too. Case in point, the two components share the lubrication system. Common wisdom says that you should let your car idle before setting off. Estimates range anywhere from 10 seconds to 5 minutes. Regardless of the duration suggested, the reason is the same. The oil needs some time to get from the oilpan in the engine up to the turbo. And the situation is exacerbated by the cold. Oil tends to congeal in the cold, so it will require some time to achieve a proper working temperature and viscosity. Setting off immediately after starting your car will likely not cause any problems at first, but it does increase the wear and tear.

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Turbo Balancing for Efficient Diesel Engine Repair and Maintenance

A lot of diesel engines nowadays have turbochargers. In fact, some even have twin turbos. Turbo gives you that extra oomph that a regular diesel engine just does not. If you are planning on rebuilding or installing a turbocharger in your diesel engine, one of the most frequent issues to arise is balance. In order for the engine and the turbocharger to function properly and efficiently, the rotary components need to be balanced to ensure a satisfactory diesel engine repair.

What is turbo balancing?

First of all, let’s see what balance really means. Just to be clear from the start, no turbocharger can be fully balanced. The unbalance comes from the rotation itself. It is calculated as weight times the radius of rotation. The preferred unit of measurement is usually a gram-inch, which means that one gram of weight is placed at a one inch radius from the balanced part. Naturally, modern turbos do not have such extreme deviations from the ideal. The unit used in modern turbos is actually milligram-inches, which is a thousandth of the original unit.

Component balancing

As you may know or at least guess, a turbo is a complex machine. Luckily, not all parts need to be balanced. Component balancing refers only to the turbine and the compressor wheel, as they are the ones rotating. It is absolutely essential to balance these components pre-assembly, as any imbalance leads to an unbalance, called the “stackup” unbalance. This kind of unbalance is fairly irrelevant to large turbos, as they are built to tolerate such a thing.

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Diesel Engine San Diego

Let’s be clear on what high-performance diesel engines are – basically hot rods built from basic engines that weren’t designed to deliver that kind of power output. The majority of boat owners are not highly-trained diesel experts, so here are some points that can give you an idea what it really costs to have a high-performance diesel engine in your boat and what it really costs to buy a pre-owned boat with one.

Performance diesels are cost-effective workhorses?

This is a myth, of course. To make these engines run for thousands of hours reliably, it takes a knowledgeable owner and some major investments. However, since reality tells us boat owners generally see things differently, a string of unfortunate decisions rack up a huge bill.  

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Cummins N14 San Diego

Cummins is a major diesel engine manufacturer and Cummins N14 is a tried-and-true favorite that has seen multiple applications, from on-road applications to industrial equipment and even generators. Did you know that the US military prefers Cummins diesel engines, which are used in a variety of equipment from logistic trucks to heavy artillery?

The engine’s design is based on 855 ci Cummins and there have been many variations. Electronic controls were added in the early nineties to comply with Environmental Protection Agency (EPA) regulations. The redesign was named Celect fuel system, and it had an electronic control module (ECM) and electronic injectors. Cummins N14 stopped producing around 2000 and has been replaced with Cummins ISX.

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Ward Leonard Speed Control For Ships Machinery Operations

Ward Leonard speed control method is utilized to control the speed of a DC motor. Henry Ward Leonard introduced the new Ward Leonard control system in 1891. Essentially, it’s a basic armature control method that consists of a direct current (DC) motor M_1 with the power coming from a DC generator G. This systems allows controlling the DC motor M_1 if different voltage is applied across its armature. The variable voltage is achieved when a motor-generator set consisting of a motor M_2 (regardless whether it AC or DC) in direct combination with the generator G. This system is a very widely applied way of controlling the speed of a DC motor.  

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How To Get Your Yanmar Engine Ready For Winter

You’ve taken proper care of your diesel engine throughout the season – that’s commendable. But, don’t relax just yet. Winter is ahead and your engine needs to be well taken care of in order for it to perform as smoothly as it did in season. Here are guidelines on how to winterize your Yanmar or any other marine diesel engine.

Fuel

Yanmar diesel engine 

Diesel fuel is susceptible to growing stale and harboring bacteria in storage. This especially holds true of the newer kinds, such     as bio-diesel and low-sulfur kind. What happens is sludge and sediment build and these can clog filters, cause starting problems   and generally damage the engine.

If you leave the tank empty, that’s an ideal environment for condensation which will eventually collect water at the bottom of     the tank. You probably know this is a big no-no for diesel engines.

To prevent these problems, the tank should be topped up before storage. To make sure no bacteria develop, treat the fuel with   some diesel biocide that stabilizes the fuel. It would be good to have primary and secondary filters installed and then bled to get rid of air.

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 Ward Leonard Controller – History, Principle And Uses

The principle

Ward Leonard Speed Control is one of the most important methods, comprised of a DC motor fed by its own DC generator.

Ward Leonard Controller The Ward Leonard System usually consists of an AC motor, a DC generator, a constant voltage  exciter, a shunt DC motor and a field variable resistor. The variation in the armature voltage  controls the speed of the DC motor through the resistor in the genset.

 Direct current is fed to the genset’s field windings and the drive is obtained via the exciter driven  from the genset’s shaft.

 Regulating the generator shunt, a speed of 10-to-1 range can be obtained for a 360W output and  higher. The general safe limit is 10 to 1, even though 15 to 1 can be obtained for smaller speed  ranges.

The biggest strength of Ward Leonard Controller is that it is really stable. Regulating the speed between no load and maximum load at any setting is up to 10 percent, varying with regard to the equipment’s specifications.

Ward Leonard Controller has been applied in numerous industrial contexts with notable success in power planers and particular lifts and in grinders with outputs of 360 W, ¾ kW and 11/2 kW.

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Maybe Your Fuel Injectors Need Servicing

Cleaning and servicing your fuel injector system will remove the buildup and ensure proper functioning. You will know you need it if your vehicle is reluctant to start (it doesn’t start consistently or requires additional cranking to start) or if it appears to stutter or be down on power. All of these occurrences are signals you should be attentive to. The condition of your vehicle says whether your injectors need cleaning and/ or servicing. Do you have your car serviced regularly or have you been putting it off? Is the gas you use top quality or the cheapest variety you can find?

Cleaning will remove the dirt and particles that have built up over time and this will restore your car’s performance and reduce emissions at the same time. The performance boost will entail a better gas mileage and general drivability, which will effectively save you money on gas and prevent expensive repairs down the road. It also saves you the stress of experiencing a breakdown, since it increases safety and reliability.

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An Engine Survey Wards off Nasty Surprises

An engine survey is an inspection of the engine and it usually goes together with inspecting other components of the boat. It can be done to determine the damage, conduct an appraisal, evaluate a completed repair, take out an insurance policy or before buying a boat. Pre-purchase survey is definitely the most frequent and comprehensive one. If you are buying a used vessel with a loan, banks and lenders will require a survey to make sure you’re not buying a cat in the bag. However, even if you’re buying a new vessel, survey is highly recommendable.
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Your Boat Engine Just Replies With a Ticking Sound – Why?

It’s a scorching summer day and you feel like chilling in the ocean breeze. You walk the dock and jump aboard ready for the invigorating change of landscape. The key in, you start the boat and hear a strange and unsettling ticking noise. The engine doesn’t crank and you’re left floating and wondering. Given the noise, it’s highly likely the problem lies with the solenoid.
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The diagnostics of the Power Stroke 6.0L differs from the younger 6.4L and 6.7L models, because the fact this G2 injector is HEUI sets it apart. It’s not only 6.0L that is troublesome. All three families have their own quirks which are sometimes difficult to explain and the repair can often be on the expensive end and time-consuming.

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At PCE, we pledge to provide you with the highest level of integrity and expertise; to recommend only what’s good for you and your situation; to use all resources possible to minimize downtime; to give the best value for your dollar; and to stand by our work and our word.

Contact Us

California
Corporate Headquarters
1620 Rigel Street
San Diego, CA 92113
Phone: (619) 235-0961
Fax: (619) 233-5096 
California
Diesel & Motor Division
3376 Main Street
San Diego, CA 92113
Phone: (619) 235-0961
Fax: (619) 687-0038 
Hawaii
99-1221 Halawa Valley Street
Aiea, HI 96701-3281
Phone: (808) 486-6600
Fax: (808) 845-1652 
Washington
920 West Marine View Drive
Everett, WA 98201-1300
Phone: (425) 257-9065
Fax: (425) 259-6851