Troubleshooting, Engine does not start

TROUBLESHOOTING

Practically all breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown, use Table 19 shown below for diagnosis of the engine. 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 46 — DCA25USIXF/DCA25USI2XF — OPERATION AND PARTS MANUAL — REV. #2 (07/26/11)

DCA25USI2XF, DCA25USIXF specifications

Multiquip is a renowned name in the construction and industrial equipment sector, known for delivering high-performance generators that cater to various power needs. Two standout models in their lineup are the DCA25USIXF and DCA25USI2XF, both designed for reliability, efficiency, and versatility.

The Multiquip DCA25USIXF is a compact, industrial-grade diesel generator that delivers a powerful 25 kVA, making it ideal for construction sites, outdoor events, and emergency backup applications. This model is powered by a robust Yanmar diesel engine, which ensures high fuel efficiency and low emissions, adhering to stringent environmental standards. The DCA25USIXF features an advanced digital control panel, providing users with an intuitive interface for monitoring performance, voltage output, and operational status. Its sound-attenuated enclosure significantly reduces noise levels, making it suitable for use in noise-sensitive areas.

On the other hand, the DCA25USI2XF model takes power generation a step further by offering dual voltage capabilities, allowing users to switch between 120V and 240V outputs. This flexibility makes it highly versatile, catering to a broader range of tools and equipment. Like the DCA25USIXF, the DCA25USI2XF is also equipped with Yanmar’s reliable diesel engine, which contributes to its durability and long service life. Both models come with a heavy-duty frame to withstand tough conditions, ensuring durability on job sites.

The technology implemented in these generators includes automatic voltage regulation (AVR), which stabilizes voltage output, protecting sensitive equipment from power surges. Additionally, the generators feature a low oil shutdown system, which prevents engine damage by automatically shutting down the generator when oil levels are low. This protective measure not only enhances the longevity of the generator but also contributes to safer operation.

In terms of portability, both models are equipped with rugged wheels and a lifting eye, facilitating easy transportation to various job sites. With their combination of power, efficiency, and advanced features, the Multiquip DCA25USIXF and DCA25USI2XF generators are excellent choices for professionals seeking reliable power solutions in demanding environments. Whether for construction, events, or standby power, these generators deliver exceptional performance tailored to meet diverse needs.