Hitachi Hydraulic Pump Troubleshooting – Kyotechs Guide

Why Choose Kyotechs for Hitachi Hydraulic Pump Troubleshooting

Kyotechs, established in 2009, supplies full-range excavator parts for brands including Hitachi. We offer One-Stop Hydraulic Repair Solution with genuine parts, fast support, and clear troubleshooting guidance to reduce downtime and cost.

Common Symptoms of a Faulty Hitachi Hydraulic Pump

Knowing symptoms helps you act fast. Typical signs include:

• Low hydraulic pressure or weak arm movement
• Strange noises (whining or grinding)
• Overheating of hydraulic fluid
• Visible leaks around the pump or fittings
• Intermittent or slow operation

Quick Troubleshooting Steps

1. Check Fluid and Filters

Start with the basics: fluid level, contamination, and filter condition. Dirty or low fluid often causes poor pump performance.

2. Inspect Hoses and Connections

Look for leaks, loose fittings, or collapsed hoses. A small leak can drop pressure and cause overheating.

3. Listen and Isolate Noises

Noise can indicate cavitation, air in the system, or internal wear. Note when the noise happens (startup, load, idle).

4. Monitor Temperature and Pressure

Use gauges if available. High temperature with normal pressure points to cooling or fluid issues. Low pressure suggests internal pump wear or control valve problems.

5. Test Under Load

Observe pump behavior during normal work. Intermittent faults often appear under load and help pinpoint the problem.

How Kyotechs Helps

If quick checks don’t fix the issue, Kyotechs provides genuine Hitachi-compatible hydraulic pumps, motors, control valves, seal kits, and repair services. We offer parts, component exchange, and expert advice. Our team treats every customer seriously—fast quotes, clear timelines, and support through repair or replacement.

Contact and Service

For reliable diagnosis or to order parts, contact Kyotechs. We’ll guide you through troubleshooting, recommend parts, and arrange repair solutions to get your excavator back in service quickly.

1. One-Stop Hydraulic Repair Solution

   Kyotechs presents a comprehensive "One-Stop Hydraulic Repair Solution," equipped with a professional hydraulic maintenance team and cutting-edge testing machines. 

2. Diverse Brand Specialization

   We cater to a wide range of renowned brands such as Caterpillar, Cummins, Hyundai, Doosan, Hitachi, JCB, CASE Construction, CNH, Kobelco, Komatsu, and Volvo, showcasing our comprehensive understanding of the industry.

3. Tailored Services

   We prioritize providing professional services, ensuring that our clients receive personalized attention and support, contributing to a positive and efficient business relationship.

4. Reliable Brands

   Kyotechs dealing with reputable brands in the industry signifies our commitment to offering reliable and top-notch products, instilling confidence in our customers regarding the quality of the components they purchase.

• 

  WYS

• 

  Tongmyung

• 

  KAWASAKI