Hydraulic Repair Iowa - Social Proof
410 Freel Dr Ste 102, Ames, IA 50010 515-292-2599

Identifying the root cause of a failure in a Hydraulic Repair Near Me hydraulic system can be complex. These systems are generally made up of components such as a sump, motor, pump, valves, actuators, and hydraulic fluid. However, any of these elements could potentially malfunction. Moreover, human mistakes and improper maintenance practices also add to the likelihood of system failures. Understanding why your system failed, locating the failure, and ensuring its efficient future operation while maintaining safety for all involved is crucial.


Common Hydraulic Failure Causes

Detecting when a Hydraulic Repair Near Me hydraulic system fails is often straightforward, evidenced by symptoms like high temperatures, low pressure, and inconsistent operation. The primary reasons for these failures typically include:

  • Air and Water Contamination: This is the primary cause of Hydraulic Repair Near Me hydraulic failures, accounting for 80-90% of cases. Air contamination occurs in two forms, aeration and cavitation, both leading to significant system damage by wearing down components, contaminating fluids, and causing overheating. Water contamination, often due to leaks or condensation, can lead to oxidation and freeze damage, identifiable by a milky fluid appearance.
  • Temperature Issues: Hydraulic systems operating at incorrect temperatures can face various challenges. High heat can thin fluids, preventing lubrication, and cause fluid oxidation, leading to flow restrictions. Conversely, cold temperatures can increase fluid viscosity, hindering flow to the pump and potentially causing cavitation.
  • Fluid Levels and Quality: Inadequate fluid levels and poor quality can result in air contamination and temperature issues. Using the correct fluid type and maintaining proper levels and quality, including anti-wear and anti-foam additives, are crucial.
  • Human Error: Errors in installation, using mismatched parts, or improper maintenance can lead to hydraulic system failures. These issues can often be corrected through better training and maintenance policies.

Hydraulic System Troubleshooting

Troubleshooting a Hydraulic Repair Near Me hydraulic system involves several steps:

  • Check the motor for correct wiring and functionality.
  • Inspect the pump assembly, including the shaft, coupling, and filter.
  • Assess the hydraulic oil for level, color, and viscosity.
  • Examine seals for leakage.
  • Ensure filters are clear of blockages.
  • Check valves and lines for leaks and damage.
  • After these checks, run the system to monitor pressure, temperature, and for any abnormal sounds.

Solving Common Hydraulic Problems

To address hydraulic system issues:

  • For systems not operating correctly or showing erratic behavior, ensure the use of specified fluid types and levels, check for leaks or blockages, allow the system to warm up, clean or replace filters, repair leaking lines, and check pump drive belts and hardware.
  • If the oil foams or overheats, ensure clean, full, and recommended oil type, check Hydraulic Repair Near Me reservoir size and cleanliness, inspect the oil cooler, and clean or replace filters and lines.
  • For control valve issues, replace worn fittings, repair spool binding, adjust valve alignment, and replace damaged components.
  • To address cylinder issues, replace damaged rods and seals, check for air in fluids, replace packing, and verify valve compatibility.

Preventing Hydraulic System Failure

To avoid hydraulic system failures:

  • Follow specifications and ensure compatibility of parts.
  • Consult professionals for equipment recommendations.
  • Perform regular maintenance and catch symptoms early.
  • Consider products like Bear-Loc® for added safety and reliability.

Hydraulic System Maintenance

Maintain your Hydraulic Repair Near Me hydraulic system regularly, adhering to manufacturer recommendations and industry best practices. This involves daily checks of oil levels and connections, routine weekly and monthly inspections, and comprehensive system checks based on usage frequency.

Working Safely with Hydraulics

Ensure safety when working with hydraulics by wearing appropriate gear, powering down systems before servicing, being cautious around high-pressure areas, using safety locks, and being vigilant around running systems to prevent accidents.


If your hydraulic system has malfunctioned, bringing operations to a sudden stop. To restore functionality promptly, it’s crucial to identify the root cause of the issue. Modern hydraulic systems are intricate, and the malfunction could stem from various factors, such as a stuck valve, a malfunctioning cylinder, or worn-out bearings in a hydraulic motor. Troubleshooting these systems is a complex task, yet certain tips and strategies can streamline the process and help revive your system.

Pinpointing the Hydraulic Issue

Effective troubleshooting hinges on accurately pinpointing the issue with your hydraulic system. Precise identification of the problem greatly aids technicians in devising a solution. Vague statements like “It just stopped working” or “The pump is malfunctioning” are insufficient for an effective diagnosis. Technicians often consult with the operators of the system, asking detailed questions to gain a clearer understanding of the malfunction. Useful questions and answers might include:

  • Is there a leak, and if so, is it hydraulic fluid or lubricant? Where is the leak located?
  • Was there a noticeable change in system pressure, either a loss or a spike? Where did this occur in the system?
  • Is any component overheating?
  • Are there any unusual sounds or vibrations from components like pumps or motors?
  • Did the system slow down? Where and when did this occur?
  • How frequently does the problem occur? Is it a one-off event or a recurring issue?

Remember, identifying the problem is different from finding the cause. For instance, a leak near the pump might be due to a simple issue like a leaking hose, or a more complex one like a failed pump seal. Determining the cause requires first understanding the problem.

Additional vital information for troubleshooting includes a detailed account of the circumstances surrounding the failure. Questions that can shed light on the situation include:

  • Was the equipment operating under abnormal conditions?
  • Were there any noises associated with the failure?
  • Was there a loss of power or torque when the failure occurred?
  • Had the machine just started, or had it been running for some time when the issue arose?
  • Were there any system error messages related to the problem?
  • Were there any unusual spikes in pressure or temperature?

Such details are invaluable for a technician tackling a Hydraulic Repair Near Me hydraulic problem. Even the smallest detail can significantly speed up the troubleshooting process for an experienced hydraulic technician.

Always execute best safety practices when working with hydraulic equipment!