troubleshooting (pump)

Troubleshooting (pump — Continued)

Symptom

Possible Problem

Solution

Pump Engine will idle but

Throttle Control Block Solenoid

Check for burned out solenoid and computer

not increase to full operating

speed

not engergizing

ground activation voltage.

 

 

Battery voltage falls below

Blown out Fuse

Check the fuse

Dead battery

Check the charge on the battery

12VDC on digital display,

 

Check the wiring connections and verify power

causing engine not to start

Wiring connection inside Control Box

 

is reaching ignition switch

 

 

 

Insuffi cient oil

Check oil level and for closed suction strainer

 

Air in system

Check for aeration reservoir

Main Hydraulic Pump Noisy

Vacuum leak in suction line

 

 

Excessive pump wear

Repair or replace

 

Excessive engine speed

Check for correct engine RPM

 

Low engine speed

Check engine RPM

Engine bogs down

Main relief cartridge set to low

Adjust relief cartridge

Engine overloaded when pumping

Decrease volume control on main pump

 

 

Material hose pack

 

 

 

Low engine speed

Check engine RPM

Machine does not deliver

Volume control set to low

Adjust control to full open setting

volume and pressure

 

 

Main hydraulic pressure too low

Check for proper pressure or for contaminated

 

 

relief cartridge

 

 

 

 

Check fan electrical connection or for burnt fan

 

Cooling fan

motor.

 

 

Fan rotating in wrong direction

Hydraulic fl uid gets hot

Contaminated cooler fi ns

Clean cooler fi ns

Return fi lter element closed

Replace fi lter

 

 

Main relief cartridge contaminated or

Replace or set to proper pressure

 

set too low

 

 

 

Hydraulic oil level too low

Fill to proper level

 

Accumulator bottle low on notrogen

Check precharge pressure 1100 PSI

 

Contaminated safety relief cartridge

Replace cartridge

Accumulator gauge reads

Defective unloader cartridge electrical

Replace

below 1750 PSI

coil

 

 

Unloader cartridge coil not energizing

Check for 12 Volt signal voltage

 

Defective gear pump

Replace pump

 

Excessive amount of hydraulic on

Inspect cylinder. Check values for

Cylinders not completely

cylinder rod side

contamination or faulty spring

extended (short stroke)

Hydraulic cylinder piston head seal

Replace seals

 

leaking

 

 

page 74 — MAYCO LS600P CONCRETE PUMP • operation manual — rev. #0 (05/13/13)

Page 74
Image 74
Multiquip LS600P Throttle Control Block Solenoid, Speed Not engergizing Ground activation voltage, Insuffi cient oil

LS600P specifications

The Multiquip LS600P is an innovative solution in the realm of construction machinery, designed to meet the demanding needs of modern job sites. This versatile piece of equipment is particularly noteworthy for its performance capabilities, fuel efficiency, and user-friendly design, making it an essential addition for contractors seeking reliability and efficiency.

One of the standout features of the LS600P is its powerful engine, which delivers robust performance while minimizing fuel consumption. This results in lower operating costs, enabling contractors to maximize their investment. The LS600P is equipped with a dependable and environmentally friendly engine, compliant with emission standards, thus contributing to sustainable operations on job sites.

The machine is designed with a focus on ease of use and operator comfort. Its intuitive control panel allows for straightforward operation, reducing the learning curve and enabling operators to become proficient quickly. Additionally, the ergonomic design of the operator's platform provides comfort during long hours of operation, enhancing productivity and reducing fatigue.

In terms of versatility, the LS600P can be utilized for a variety of applications. Whether it is compaction for paving projects, soil stabilization, or site preparation, its multi-functional capabilities make it suitable for diverse construction tasks. This adaptability is further enhanced by its compatibility with various attachments, allowing contractors to customize the machine to meet specific project requirements.

The durability of the LS600P is another key characteristic. Built with high-quality materials and components, it is engineered to withstand the harsh conditions often encountered on construction sites. This durability, combined with easy maintenance features, ensures that the Multiquip LS600P will provide reliable service over its operational lifespan.

Incorporating advanced technologies, the LS600P features an efficient hydraulic system that enhances its performance and responsiveness. This hydraulic system not only improves the effectiveness of its functions but also contributes to energy efficiency, thus promoting greener operations.

In conclusion, the Multiquip LS600P is a high-performance, efficient, and versatile machine. With features focused on user comfort, operational efficiency, and adaptability for various tasks, it stands out as a reliable choice for contractors aiming to enhance productivity and project outcomes on their construction sites.