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How to Change the Hydraulic Fluid Filter

The Hydraulic Fluid Filter is in the hydraulic fluid settling tank located under the step on the left-hand side of the tractor.

The Monarch Tractor Hydraulic Fluid Filter is in the hydraulic fluid settling tank located under the step on the left-hand side of the tractor. Removing the step allows for greater maneuverability for removing the filter cover and torquing the replacement filter into place.

Here’s what you’ll need to safely complete this task:

  • Protective gloves
  • Safety glasses
  • 24mm socket wrench
  • Torque wrench
  • Replacement Hydraulic Filter (Monarch Tractor Part Number C00021797)
  • Clean container

Step 1: Remove the filter

  1. Place a container under the step to catch drips.
  2. Use a 24mm socket wrench to loosen the cover of the hydraulic fluid filter.
  3. When the filter is loose, use your hand to gently finish unscrewing the filter and then remove it. Dispose properly of the used hydraulic fluid filter.

♻️  Polluting drains, water courses, and/or soil is illegal. Use authorized waste disposal facilities to dispose of used oil. For more information, contact your local authorized servicing dealer or the local agency for waste recycling.

Step 2: Replace the filter

  1. Before installing the new filter, clean any break-in debris in the hydraulic fluid filter cover.
  2. Unwrap the new replacement filter. Find the O-ring.
  3. Coat the O-ring on the replacement filter with clean hydraulic fluid.
  4. Carefully line up the threads on the new hydraulic fluid filter and screw the filter into place.
  5. Torque the hydraulic filter cover to 27Nm.
  6. Once the hydraulic fluid filter has been replaced, dip the hydraulic reservoir dipstick and then shine a black light on the dipstick to check the level in the reservoir.
  7. If needed, add fluid to the reservoir.