Troubleshooting engine | Multiquip DCA20spxu2 manual

Troubleshooting (engine)

troubleshooting (engine)

symptom	possible problem	Solution

	No Fuel reaching injection pump?	Add fuel. Check entire fuel system.

	Defective fuel pump?	Replace fuel pump.

	Fuel fi lter clogged?	Replace fuel fi lter and clean tank.

	Faulty fuel supply line?	Replace or repair fuel line.

	Compression too low?	Check piston, cylinder and valves. Adjust or
	Compression too low?	repair per engine repair manual.
Engine will not start or start is delayed,		repair per engine repair manual.

	Fuel pump not working correctly?	Repair or replace fuel pump.
although engine can be turned over.	Fuel pump not working correctly?	Repair or replace fuel pump.

	Oil pressure too low?	Check engine oil pressure.
	Oil pressure too low?	Check engine oil pressure.

	Low starting temperature limit exceeded?	Comply with cold starting instructions and
	Low starting temperature limit exceeded?	proper oil viscosity.
		proper oil viscosity.

	Defective battery?	Charge or replace battery.

	Air or water mixed in fuel system?	Check carefully for loosened fuel line
	Air or water mixed in fuel system?	coupling, loose cap nut, etc.
		coupling, loose cap nut, etc.

	Engine oil too thick?	Refi ll engine crankcase with correct type of
At low temperatures engine will not start.	Engine oil too thick?	oil for winter environment.
At low temperatures engine will not start.		oil for winter environment.
	Defective battery?	Replace battery.

Engine fi res but stops soon as starter is	Fuel fi lter blocked?	Replace fuel fi lter.

	Fuel supply blocked?	Check the entire fuel system.
switched off.	Fuel supply blocked?	Check the entire fuel system.

	Defective fuel pump?	Replace fuel pump.
	Defective fuel pump?	Replace fuel pump.

	Fuel tank empty?	Add fuel.

Engine stops by itself during normal	Fuel fi lter blocked?	Replace fuel fi lter.

	Defective fuel pump?	Replace fuel pump.
operation.	Defective fuel pump?	Replace fuel pump.
operation.
	Mechanical oil pressure shutdown sensor	Add oil. Replace low oil shutdown sensor if
	stops the engine due to low oil?	necessary.

	Fuel tank empty?	Replace fuel fi lter.

	Fuel fi lter clogged?	Replace fuel fi lter.

	Fuel tank venting is inadequate?	Ensure that tank is adequately vented.

	Leaks at pipe unions?	Check threaded pipe unions tape and tighten
	Leaks at pipe unions?	unions a required.
		unions a required.
Low engine power, output and speed.
Low engine power, output and speed.	Speed control lever does not remain in	See engine manual for corrective action.
	Speed control lever does not remain in
	selected position?
	selected position?

	Engine oil level too full?	Correct engine oil level.

		Use No. 2-D diesel fuel only. Check the fuel
	Injection pump wear?	injection pump element and delivery valve
		assembly and replace as necessary.

page 60 — DCA20spxu2 servpro® • operation and parts manual — rev. #0 (09/23/13)

DCA20spxu2 specifications

The Multiquip DCA20SPXU2 is a powerful and versatile portable generator that has become a favorite among contractors and outdoor enthusiasts alike. Designed for reliability and efficiency, this unit boasts a range of features that make it suitable for various applications, from construction sites to recreational activities.

One of the standout characteristics of the DCA20SPXU2 is its robust engine. Powered by a reliable 20 kW diesel engine, this generator offers ample power to run essential tools and equipment, ensuring that users can depend on it for demanding tasks. The engine is not only powerful but also designed for fuel efficiency, helping users save on operating costs during extended use.

The DCA20SPXU2 features an impressive run time, with a large fuel tank that enables it to operate for long periods without requiring frequent refueling. This is particularly beneficial for projects that are located in remote areas or for outdoor events where electricity is critical.

Another key highlight of the DCA20SPXU2 is its advanced sound attenuation design. This generator operates quietly, adhering to stringent noise regulations, which is essential when working in residential or noise-sensitive environments. The sound-dampening technology helps to minimize sound levels, making it an excellent choice for events and job sites that demand a quieter operation.

Multiquip has also integrated a user-friendly control panel in the DCA20SPXU2, featuring intuitive gauges and indicators that provide vital information at a glance, such as fuel levels, output voltage, and operational status. This ease of use allows operators to quickly monitor performance and make necessary adjustments.

The generator is equipped with multiple outlets, including 120V and 240V options, ensuring that it can power a variety of tools and equipment simultaneously. This versatility enhances its appeal for users who require flexibility in their power source.

Durability is another hallmark of the DCA20SPXU2. Built with high-quality materials, the generator is designed to withstand tough conditions, making it an ideal companion for construction sites or outdoor adventures.

In conclusion, the Multiquip DCA20SPXU2 is a well-engineered portable generator that offers a blend of power, efficiency, and convenience. With its robust engine, quiet operation, user-friendly controls, and durable construction, it stands out as a reliable choice for both professional and recreational use, meeting the power needs of a variety of users.