ST-45HRM CE CONCRETE PUMP — TROUBLESHOOTING (ENGINE)

Practically all breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown, please take a remedial action following the diagnosis based on the Engine Troubleshooting (Table 14) information shown below and on the proceeding page. If the problem cannot be remedied, please leave the unit just as it is and consult our company's business office or service plant.

TABLE 14. ENGINE TROUBLESHOOTING

SYMPTOM

POSSIBLE PROBLEM

SOLUTION

 

 

 

 

Speed control lever is in "STOP" position?

Set speed control lever to "START" position.

 

 

 

 

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

Compression too low?

Check piston, cylinder and valves. Adjust or

be turned over.

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.

 

 

 

 

 

 

 

Check whether clear (not turbid) fuel emerges

 

 

from the fuel line (detach from injection

 

Fuel separates has inadequate resistance to

pump). If the fuel is turbid or separated, warm

At low temperatures engine will

low temperatures?

up the engine or drain the complete fuel

 

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.

 

 

 

 

 

 

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.

 

 

 

Engine stops by itself during

Fuel tank empty?

Add fuel.

 

 

normal operation.

Fuel filter blocked?

Replace fuel filter.

 

 

 

 

 

Fuel tank empty?

Replace fuel filter.

 

 

 

 

Fuel filter clogged?

Replace fuel filter.

 

 

 

Low engine power, output and

Fuel tank venting is inadequate?

Ensure that tank is adequately vented.

speed.

 

 

Speed control lever does not remain in

See engine manual for corrective action.

 

 

selected position?

 

 

 

 

 

Engine oil level too full?

Correct engine oil level?

 

 

 

Low engine power output and

Air filter blocked?

Clean or replace air filter.

 

 

 

 

low speed, black exhaust

Incorrect valve clearances?

Adjust valves per engine specification.

smoke.

 

 

Malfunction at injector?

See engine manual.

 

 

 

 

MAYCO ST-45HRM CE PUMP — OPERATION & PARTS MANUAL — REV. #0 (02/23/04) — PAGE 67

Page 67
Image 67
Multiquip manual ST-45HRM CE Concrete Pump Troubleshooting Engine, Engine Troubleshooting

ST-45HRM CE specifications

The Multiquip ST-45HRM CE is a robust and versatile machine designed for a variety of heavy-duty applications, particularly in construction and industrial settings. Known for its durability and efficiency, the ST-45HRM CE stands out due to its combination of advanced technology, user-friendly features, and powerful performance, making it an ideal choice for professionals seeking reliable equipment.

One of the main features of the ST-45HRM CE is its powerful engine. It is equipped with a high-performance diesel engine that provides exceptional reliability and fuel efficiency. This engine allows the machine to achieve high-performance levels while minimizing operational costs, making it a cost-effective solution for various jobs. Additionally, the engine meets stringent environmental regulations, ensuring compliance with the latest emission standards.

The ST-45HRM CE is designed with operator comfort and safety in mind. One of its key characteristics is the spacious and ergonomically designed operator platform that allows for easy access and enhanced visibility. The controls are intuitively placed, providing excellent maneuverability and reducing operator fatigue during long working hours. Moreover, safety features such as emergency shut-off switches and protective enclosures are built into the design, ensuring a safer working environment.

In terms of technology, the ST-45HRM CE is equipped with advanced hydraulic systems that enhance its lifting capabilities. This machine is capable of lifting loads up to 45 tons, making it suitable for heavy materials and equipment. The hydraulic system is designed for smooth operation, allowing for precise control and optimal performance in various applications, including lifting, transportation, and heavy-duty towing.

Maintenance is another consideration where the ST-45HRM CE excels. It features easy access points for routine checks and repairs, reducing downtime and operational costs associated with maintenance. The components are engineered for longevity, ensuring that the machine can withstand the rigors of continuous use in demanding environments.

Overall, the Multiquip ST-45HRM CE is a standout in its category, boasting an exceptional blend of power, efficiency, and user-centric design. With its advanced features, safety technologies, and ease of maintenance, it is ideal for professionals in construction, industrial lifting, and other heavy-duty applications, providing a reliable solution to meet their needs.