Giant MP4130HT(C) service manual Pump System Malfunction

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PUMP SYSTEM MALFUNCTION

MALFUNCTION

The Pressure and/or the Delivery Drops

Water in crankcase

Noisy Operation

Rough/Pulsating

Operation with

Pressure Drop

Pressure Drop at Gun

Excessive Leakage

High Crankcase

Temperature

CAUSE

Worn packing seals Broken valve spring Belt slippage

Worn or Damaged nozzle Fouled discharge valve Fouled inlet strainer Worn or Damaged hose

Worn or Plugged relief valve on pump Cavitation

Unloader

Highhumidity

Worn seals

Worn bearings

Cavitation

Worn packing

Inletrestriction

Accumulator pressure

Unloader

Cavitation

Restricted discharge plumbing

Worn plungers

Worn packing/seals

Excessive vacuum

Cracked plungers

Inlet pressure too high

Wrong Grade of oil

Improper amount of oil in crankcase

REMEDY

Replace packing seals Replace spring Tighten or Replace belt Replace nozzle Clean valve assembly Clean strainer Repair/Replace hose

Clean,Reset,andReplacewornparts Check suction lines on inlet of pump for restrictions

Check for proper operation

Reduce oil change interval

Replace seals

Replacebearings,Refillcrankcase oilwithrecommendedlubricant Check inlet lines for restrictions and/or proper sizing

Replace packing

Check system for stoppage, air leaks, correctly sized inlet plumbing to pump

Recharge/Replace accumulator Check for proper operation Check inlet lines for restrictions and/or proper size

Re-size discharge plumbing to flow rate of pump

Replace plungers

Adjust or Replace packing seals Reduce suction vacuum Replace plungers

Reduce inlet pressure

Giant oil is recommended Adjust oil level to proper amount

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Contents Model MP4130HTC Important Operating Conditions Installation InstructionsPulley Information Horsepower InformationExploded View MP4130HTC PART# Description QTY MP4130HTC Parts ListMP4130HTC Repair Kits Repair Instruction MP4130HTC Disassembly sequence of the Giant MP4130HTC Series PumpsInformation. Phone 419 Gear End Disassembly Page Position Item# Description MP4130HTC Torque SpecificationsPump System Malfunction Giant Industries Limited Warranty

MP4130HT(C) specifications

The Giant MP4130HT(C) is a remarkable piece of machinery designed for heavy-duty applications in various industrial sectors. This model embodies advanced engineering and cutting-edge technology, making it a preferred choice for professionals seeking efficiency and reliability in their operations.

One of the standout features of the MP4130HT(C) is its powerful engine. Equipped with a high-performance engine, it provides robust torque and horsepower, enabling it to handle even the most demanding tasks with ease. The engine is designed to be fuel-efficient, ensuring lower operating costs while also adhering to stringent emissions standards.

The MP4130HT(C) boasts an innovative hydraulic system that enhances its operational capabilities. This system ensures smooth and precise control, allowing operators to execute tasks with high accuracy. The hydraulic components are designed for high performance, ensuring that the machine can lift and transport heavy loads efficiently.

Another key characteristic of this model is its advanced control system. The user-friendly interface allows operators to easily monitor and adjust various parameters, enhancing productivity. This system is equipped with features like diagnostics and performance tracking, which facilitate maintenance and improve overall machine longevity.

The Giant MP4130HT(C) also prides itself on its exceptional build quality. Constructed with durable materials, it is built to withstand harsh working environments. The rugged design reduces wear and tear, resulting in lower maintenance requirements and extended service life.

Additionally, the machine offers excellent maneuverability, thanks to its compact dimensions and agile steering capabilities. This allows it to navigate tight spaces with ease, making it suitable for a variety of applications, from construction sites to agricultural tasks.

Safety is another critical feature integrated into the design of the MP4130HT(C). The machine is equipped with multiple safety mechanisms, ensuring the protection of the operator and surrounding personnel. Features like overload protection and stability control enhance operational safety.

Overall, the Giant MP4130HT(C) stands out as a versatile, efficient, and robust solution for industrial applications. With its powerful engine, advanced hydraulic system, and superior build quality, it is a testament to modern engineering, delivering performance that meets the diverse needs of its users.