TROUBLESHOOTING (ENGINE)

TABLE 12. ENGINE TROUBLESHOOTING

SYMPTOM

POSSIBLE PROBLEM

SOLUTION

 

 

 

 

Speed control lever is in "STOP" position?

Set speed control lever to "START" position.

 

 

 

 

STOP solenoid is in the "STOP" position?

Set stop solenoid to the "START" position.

 

 

Adjust and lubricate if necessary.

 

 

 

 

No Fuel reaching injection pump?

Add fuel. Check entire fuel system.

 

 

 

 

Defective fuel pump?

Replace fuel pump.

 

 

 

 

Fuel filter clogged?

Replace fuel filter and clean tank.

 

 

 

Engine will not start or start is

Faulty fuel supply line?

Replace or repair fuel line.

delayed, although engine can

 

 

 

Check piston, cylinder and valves. Adjust or

be turned over.

Compression too low?

repair per engine repair manual.

 

 

 

 

 

 

Fuel injector not working correctly?

Repair or replace injector in accordance with

 

engine repair manual.

 

 

 

 

 

 

Oil pressure too low?

Check engine oil pressure.

 

 

 

 

Low starting temperature limit exceeded

Comply with cold starting instructions and

 

proper oil viscosity.

 

 

 

 

 

 

Defective battery?

Charge or replace battery.

 

 

 

 

 

Check whether clear (not turbid) fuel emerges

 

 

from the fuel line (detach from injection

 

Fuel seperates has inadequate resistance to

pump). If the fuel is turbid or seperated either,

 

low temperatures?

warm up the engine or drain the complete fuel

At low temperatures engine will

 

supply system. Refuel with winter grade diesel

not start.

 

fuel.

 

 

 

 

Engine oil too thick?

Refill engine crankcase with correct type of oil

 

for winter environment.

 

 

 

 

 

 

Defective battery?

Replace battery.

 

 

 

 

Throttle lever in STOP position?

Reposition throttle lever to RUN position.

 

 

 

Engine fires but stops soon as

Fuel filter blocked?

Replace fuel filter.

 

 

starter is switched off.

Fuel supply blocked?

Check the entire fuel system.

 

 

 

 

 

Electrical problem at fuel solenoid?

Repair using #7 wire.

 

 

 

 

Fuel tank empty?

Add fuel.

 

 

 

Engine stops by itself during

Fuel filter blocked?

Replace fuel filter.

 

 

Defective fuel pump?

Replace fuel pump.

normal operation.

 

Mechanical oil pressure shutdown sensor

Add oil. Replace low oil shutdown sensor if

 

stops the engine due to low oil?

necessary.

 

 

 

MQ62TDD TRASH PUMP • OPERATION AND PARTS MANUAL — REV. #0 (07/30/09) — PAGE 49

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Multiquip MQ62TDD manual Troubleshooting Engine, Engine Troubleshooting
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MQ62TDD specifications

The Multiquip MQ62TDD is a robust engine-driven compressor designed to deliver exceptional performance and reliability in challenging job site conditions. This portable unit is engineered for a wide range of applications, including construction, HVAC, and industrial use. With its powerful engine and user-friendly features, the MQ62TDD stands out as an ideal choice for contractors needing dependable air supply on the go.

One of the primary features of the MQ62TDD is its impressive air output. The unit boasts a maximum air flow rate of up to 62 CFM, allowing it to power multiple pneumatic tools simultaneously. Whether you are operating jackhammers, nail guns, or air impact wrenches, the MQ62TDD ensures consistent and sufficient air pressure to keep your projects moving efficiently.

The MQ62TDD is equipped with a 9-horsepower Honda engine, providing the necessary power to drive the compressor. Honda engines are renowned for their durability and fuel efficiency, and this model is no exception. With an extended run time due to its large fuel tank, the MQ62TDD minimizes downtime, which can be crucial in time-sensitive projects.

In terms of technological advancements, the MQ62TDD features an advanced cooling system designed to keep the compressor operating at optimal temperatures, thus extending the lifespan of the unit. The unit’s lightweight design, combined with a sturdy frame, makes transportation on site straightforward. The integrated handle and collapsible wheels facilitate easy maneuverability, ensuring that the compressor can be relocated without hassle.

Safety is also a priority with the Multiquip MQ62TDD. The unit is designed with protective features such as a low oil shutdown mechanism, which helps to prevent engine damage by automatically turning off if the oil level gets too low. Additionally, the compressor features sound-dampening technology that significantly reduces noise levels, making it ideal for use in noise-sensitive environments.

Overall, the Multiquip MQ62TDD compressor is a versatile, durable, and user-friendly tool that meets the demands of professional contractors. With its high air output, reliable power source, advanced technologies, and safety features, it provides the efficiency and performance needed to tackle any job with confidence.
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