What hydraulic fittings does Komatsu use?

### Komatsu Hydraulic Fittings.

Komatsu primarily uses JIC (Joint Industry Council) hydraulic fittings in their machinery. These fittings are widely used in the industry due to their reliability and versatility. Here is a step-by-step guide on how to identify and work with JIC hydraulic fittings on Komatsu equipment.

#### Step 1: Identify the Fittings.

1. Look for fittings that have a 37-degree flare cone seat and a straight thread.

2. Check for the JIC symbol, which typically consists of the letters "JIC" enclosed in a circle.

3. Measure the size of the fitting using a caliper to determine the appropriate replacement part.

#### Step 2: Remove the Old Fitting.

1. Use a wrench to loosen and remove the nut that holds the fitting in place.

2. Carefully detach the old fitting from the hydraulic system to avoid causing damage.

#### Step 3: Install the New Fitting.

1. Apply a small amount of hydraulic fluid or sealant to the threads of the new fitting.

2. Insert the new fitting into the hydraulic system and hand tighten the nut to secure it in place.

3. Use a wrench to carefully tighten the nut to the recommended torque specification.

#### Step 4: Test the Fitting.

1. Pressurize the hydraulic system and inspect the fitting for any signs of leaks.

2. If leaks are present, tighten the fitting further and retest until no leaks are detected.

#### Step 5: Maintain and Inspect Regularly.

1. Check all hydraulic fittings on Komatsu equipment regularly for signs of wear or damage.

2. Replace any fittings that show signs of wear to prevent leaks or system malfunctions.

By following these steps, you can effectively identify, replace, and maintain hydraulic fittings on Komatsu machinery using JIC fittings. Remember to always refer to the manufacturer's guidelines and specifications for proper fitting installation and maintenance.

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