DCA-125SSJU Series -TROUBLESHOOTING Engine

DCA-125SSJU SERIES —TROUBLESHOOTING (ENGINE)

Practically all breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown, use the table shown below and on the next page for diagnosis based on the Engine Troubleshooting (Table 19). If the problem cannot be remedied, consult our company's business office or service plant.

TABLE 19. ENGINE TROUBLESHOOTING

SYMPTOM	POSSIBLE PROBLEM	SOLUTION

	No fuel?	Replenish fuel.

	Air in the fuel system?	Bleed system.

	Water in the fuel system?	Remove water from fuel tank.

	Fuel pipe clogged?	Clean fuel pipe.

	Fuel filter clogged?	Clean or change fuel filter.

	Excessively high viscosity of
	fuel or engine oil at low	Use the specified fuel or engine oil.
	temperature?
	Fuel with low cetane number?	Use the specified fuel.

	Fuel leak due to loose injection	Tighten nut.
	pipe retaining nut?	Tighten nut.
	pipe retaining nut?
Engine does not start.
Engine does not start.	Incorrect injection timing?	Adjust.

	Fuel cam shaft worn?	Replace.

	Injection nozzle clogged?	Clean injection nozzle.

	Injection pump malfunctioning?	Repair or replace.

	Seizure of crankshaft, camshaft,	Repair or replace.
	piston, cylinder liner or bearing?	Repair or replace.
	piston, cylinder liner or bearing?

	Compression leak from	Replace head gasket, tighten cylinder head bolt, glow plug and
	cylinder?	nozzle holder.

	Improper valve timing?	Correct or replace timing gear.

	Piston ring and liner worn?	Replace.

	Excessive valve clearance?	Adjust.

Starter does not run.	Starter malfunctioning?	Repair or replace.

	Wiring disconnected?	Connect wiring.
	Wiring disconnected?	Connect wiring.

PAGE 58 — DCA-125SSJU SERIES (STANDARD) — PARTS AND OPERATION MANUAL — REV. #4 (06/03/03)

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.