Plug-In Type Hydraulic Fittings—540M Loaders

1. CAUTION:

   
   X9811-UN-23AUG88

   
   W21635-UN-24MAY11

   
   W21636-UN-24MAY11

   A - Removal Tool

   B - Sleeve

   C - Fitting

   D - Plug

   Escaping fluid under pressure can penetrate the skin causing serious injury. Avoid the hazard by relieving pressure before connecting hydraulic or other lines. Protect hands and body from high-pressure fluids. See additional information, Avoid High-Pressure Fluids in Safety section.

   Relieve hydraulic pressure. (See Relieve Hydraulic Pressure in Controls section.)

---




2. IMPORTANT: Prevent possible machine damage. DO NOT use the removal tool (A) to pry the fittings apart.

   NOTE: The hydraulic fittings located inside the booms and torque tube require a special tool (A) for removal. (See your John Deere dealer to obtain the removal tool.)

   Release plug (D) from fitting (C), by inserting removal tool (A) between the collar of plug (D) and sleeve (B) on fitting (C).

3. Replace O-rings and seals if needed. (See your John Deere dealer for replacement parts.)

4. 
   W21637-UN-24MAY11

   A - Plug

   B - Fitting

   Apply small amount of oil to the O-ring on plug (A).

---




5. NOTE: Plugs have color-coded markings that correspond with the color-coded markings near each fitting. (If the markings are not visible, refer to Identify Loader Oil Line Connections in this section.)

   Insert the plug with the color-coded marking into the corresponding color-coded fitting (B) and push IN until fully seated.