DCA-125SSJU SERIES —TROUBLESHOOTING (ENGINE)

TABLE 19. ENGINE TROUBLESHOOTING (CONTINUED)

SYMPTOM

POSSIBLE PROBLEM

SOLUTION

 

 

 

 

Fuel filter clogged or dirty?

Clean or change.

 

 

 

 

Air cleaner clogged?

Clean or change.

 

 

 

 

Fuel leak due to loose injection

Tighten nut.

 

pipe retaining nut?

 

 

 

 

 

 

Injection pump malfunctioning?

Repair or replace.

Engine revolution is not smooth.

 

 

Incorrect nozzle opening

Adjust.

 

 

pressure?

 

 

 

 

 

 

Injection nozzle stuck or

Repair or replace.

 

clogged?

 

 

 

 

 

 

Fuel over flow pipe clogged?

Clean.

 

 

 

 

Governor malfunctioning?

Repair.

 

 

 

 

Excessive engine oil?

Reduce to the specified level.

 

 

 

 

Piston ring and liner worn or

Repair or replace.

Either white or blue exhaust gas

stuck?

 

is observed.

 

 

Incorrect injection timing?

Adjust.

 

 

 

 

 

Deficient compression?

Adjust top clearance.

 

 

 

 

Overload?

Lessen the load.

 

 

 

 

Low grade fuel used?

Use the specified fuel.

Either black or dark gray

 

 

Fuel filter clogged?

Clean or change.

exhaust gas is observed.

 

 

 

Air cleaner clogged?

Clean or change.

 

 

 

 

Deficient nozzle injection?

Repair or replace the nozzle.

 

 

 

 

Incorrect injection timing?

Adjust.

 

 

 

 

Engine's moving parts seem to

Repair or replace.

 

be seizing?

 

 

 

 

 

Deficient output.

Uneven fuel injection?

Repair or replace the injection pump.

 

 

 

 

Deficient nozzle injection?

Repair or replace the nozzle.

 

 

 

 

Compression leak?

Replace head gasket, tighten cylinder head bolt, glow plug and

 

nozzle holder.

 

 

 

 

 

DCA-125SSJU SERIES (STANDARD)— PARTS AND OPERATION MANUAL— REV. #4 (06/03/03) — PAGE 59

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Multiquip manual DCA-125SSJU Series -TROUBLESHOOTING Engine

DCA-125SSJU specifications

The Multiquip DCA-125SSJU is a robust and reliable diesel generator that stands out in the construction and rental markets. Designed to provide consistent power, this generator is ideal for various applications ranging from industrial construction sites to outdoor events. The DCA-125SSJU boasts a powerful 125 kVA output, making it suitable for both small and large power needs.

One of the prominent features of the DCA-125SSJU is its advanced engine technology. It is powered by a reliable and fuel-efficient Yanmar diesel engine. This engine not only ensures longevity but also optimizes fuel consumption, allowing operators to save on running costs without compromising performance. With a robust design, the Yanmar engine guarantees excellent cold start capability, making it dependable even under challenging weather conditions.

The generator's sound attenuation is also noteworthy. Encased in a sound-attenuated enclosure, the DCA-125SSJU operates at a noise level that makes it suitable for use in residential areas or environments with strict noise regulations. This feature enhances the generator's versatility, as it can be employed in various settings without disturbing nearby activities.

Multiquip has incorporated several safety features into the DCA-125SSJU, including automatic shutdown systems that activate in the event of low oil pressure or overheating. This proactive approach helps safeguard the engine and prolongs its lifespan. Additionally, the generator is equipped with a heavy-duty, weatherproof frame, ensuring durability and protection against the elements.

User-friendly control features make the DCA-125SSJU easy to operate. The generator includes an intuitive digital control panel that provides essential information such as voltage output, frequency, and run time. This accessibility allows operators to monitor performance and adjust settings as necessary.

Portability is another significant advantage of the DCA-125SSJU. With easily transportable dimensions, it can be efficiently moved to various job sites. Its sturdy wheels and lifting points further enhance mobility, making it a practical solution for temporary power needs.

In summary, the Multiquip DCA-125SSJU is a high-performance diesel generator, combining power, efficiency, and portability with advanced technology and user-friendly features. Its reliability and versatility make it an excellent choice for contractors, event organizers, and anyone in need of dependable power supply. Whether facing the demands of a construction site or hosting an outdoor function, the DCA-125SSJU ensures you’ll never be left in the dark.