hydraulic filter for JCB excavator

Filters in construction equipment: air, fuel, oil and hydraulic – operation, faults and replacement | Eska Dalys

Filters – this is a real „police“ of construction machinery, which protects the engine, hydraulic system and gearbox from destructive impurities every day. Dirt, sand, metal shavings, water vapor and resin – all this enters the system with air and fuel. If the filters are not changed in time, even the most powerful JCB, Caterpillar whether Volvo The excavator begins to lose power, fuel consumption increases, and ultimately, expensive engine or hydraulic pump repairs.

Eska Parts offers a wide range of original and high-quality alternative filters for all popular construction equipment models. By replacing filters on time, you can significantly extend the service life of your equipment and reduce operating costs.

Want to know how to properly maintain your filters and when to change them? Read on - we've prepared a practical guide with tips and replacement instructions.

🔧 How do filters work and why are they so important?

Each filter performs a specific task:

  • Air filter – cleans the air entering the engine.
  • Fuel filter – retains impurities in diesel fuel.
  • Oil filter – protects the engine lubrication system.
  • Hydraulic filter – protects hydraulic oil from contamination.

Without them, oil and fuel quickly become contaminated, which leads to expensive breakdowns. You can read more about hydraulic system maintenance in our previous article: Hydraulic pump: operation, faults and replacement.

⚠️ Most common filter failures and symptoms

  • The filter is clogged (the equipment loses power, fuel consumption increases)
  • The oil turns black or is full of metal shavings
  • The engine runs unevenly, smoke appears
  • The hydraulic system jumps or responds more slowly
  • Increased pressure in the filter (visible through the pressure gauge)

✅ Maintenance tips – how to extend the life of filters

  • Follow the manufacturer's recommended replacement intervals (usually every 250-500 engine hours).
  • Check the oil and fuel levels and condition daily.
  • Use only clean containers when filling with oil or fuel.
  • Perform regularly periodic inspection of construction equipment – read our article: Periodic inspection of construction machinery.
  • Change all filters at the same time to avoid cross-contamination.

🔄 Changing filters – step by step

  • Turn off the engine and wait for the equipment to cool down.
  • Remove the old filters (use a special key).
  • Clean the filter housings and gaskets.
  • Fill a new oil or fuel filter with fresh oil/fuel (to make the engine start faster).
  • Install new filters and tighten by hand + ¾ turn.
  • Start the engine and check for leaks.

🔍 Why is it worth buying filters from Eskadalys.lt?

  • Wide selection JCB, CAT, Volvo and filters from other manufacturers (original and high-quality analogues).
  • Fast delivery throughout Lithuania.
  • Professional consultation based on VIN number.
  • You can view the full range here: All filters or specifically Hydraulic filters and Fuel filters.

More official replacement recommendations can be found on the manufacturers' websites:

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