Troubleshooting

 

 

 

Problem

Cause

Solution

 

 

 

 

 

 

Speed of application slow or slower

Material too thick

Thin material.

 

 

 

 

Nozzle too small

Change nozzles to a larger size. See

 

 

Operation manual 311768.

 

 

 

 

Too much air being used.

Partially close gun air valve to reduce

 

 

air flow.

 

 

 

 

Pump hose worn

Replace hose.

 

 

 

 

Plugged or dirty gun

Relieve Pressure, page 6. Clean

 

 

gun.

 

 

 

 

Kinked hose

Unkink hose.

 

 

 

 

Gun adjustment set too low

Increase flow adjustment with flow

 

 

adjustment nut.

 

 

 

 

Too many items on same circuit

Unplug other items from circuit.

 

 

 

 

Extension cord too long or wrong

Use a different extension cord. Refer

 

gauge

to Grounding and Electric Require-

 

 

ments, page 6.

 

 

 

Intermittent flow/sputtering

Hopper connection not tight

Check gasket. TIghten connection.

 

 

 

 

Debris in system

Clean system.

 

 

 

Quick disconnect does not stay con-

Dirty or corroded fitting

Clean thoroughly. Soak in oil. Apply a

nected.

 

few drops of light oil.

 

 

 

Gun will not shut off

Worn nozzle or needle.

Relieve Pressure, page 6. Replace

 

 

worn parts.

 

 

 

 

Debris in needle passage

Relieve Pressure, page 6. Clean.

 

 

 

Fluid leaking at Flow Adjustment Nut

Damaged seal.

Relieve Pressure, page 6. Replace

 

 

seal.

 

 

 

Fluid leaking out of either plug

Missing or damaged o-rings

Relieve Pressure, page 6. Replace

 

 

o-rings.

 

 

 

 

Gun damaged

Replace gun.

 

 

 

Needle adjustment won’t adjust

Dirty threads

Clean threads.

 

 

 

 

Nozzle not on gun

Put nozzle on gun.

 

 

 

26

311772G

Page 26
Image 26
Hitachi RTX 900 important safety instructions Relieve Pressure, page 6. Clean

RTX 900 specifications

The Hitachi RTX 900 is an innovative and powerful excavator designed to meet the demanding needs of various construction and mining applications. This robust machine combines cutting-edge technology with unparalleled performance, making it a preferred choice for professionals in the industry.

One of the standout features of the RTX 900 is its impressive hydraulic system. The excavator is equipped with a high-performance hydraulic pump that delivers exceptional power and efficiency. This allows the RTX 900 to perform heavy-duty tasks with remarkable ease, including digging, lifting, and material handling. Its smooth hydraulic operation ensures precise control, allowing operators to navigate complex tasks and work environments with confidence.

The RTX 900 is powered by a highly efficient engine that meets stringent emission standards while delivering impressive horsepower. This combination of performance and efficiency not only enhances productivity on the job site but also minimizes operational costs. The engine is designed for easy maintenance, ensuring that downtime is kept to a minimum.

In terms of durability, the Hitachi RTX 900 features a robust chassis and reinforced components that are built to withstand harsh working conditions. Its heavy-duty undercarriage provides excellent stability and traction, making it reliable across various terrains. The excavator is also equipped with advanced cooling systems to prevent overheating during extended operation, ensuring longevity and consistent performance.

Operator comfort and safety are paramount in the design of the RTX 900. The spacious cab is equipped with ergonomic controls, an adjustable seat, and excellent visibility, allowing operators to work comfortably for long hours. Additionally, the machine incorporates advanced safety features such as an automatic locking system and comprehensive monitoring technology to enhance operational safety.

The Hitachi RTX 900 also integrates smart technologies, including telematics, which provide real-time data on machine performance and health. This connectivity allows operators and fleet managers to monitor usage, perform diagnostics, and schedule maintenance proactively, reducing the risk of unexpected failures.

In conclusion, the Hitachi RTX 900 is a versatile excavator that combines power, efficiency, and advanced technology, making it suitable for a wide range of applications. Its impressive performance, durability, and operator-friendly features make it a valuable asset for construction and mining professionals looking to enhance productivity and maintain operational excellence.