Repairing the transmission cooler on a Bomag BW 177, BW 213, or BW 226 BVC Single Drum Roller involves several steps and requires a variety of tools. Discover more by downloading the manual here……
Below is a detailed guide with bullet points outlining each step and the necessary tools.
### Tools and Materials Needed
– **Wrenches and Sockets**: A set of metric wrenches and socket sets (usually ranging from 8mm to 24mm) will be required to remove and install bolts.
– **Screwdrivers**: Flathead and Phillips screwdrivers for various fasteners and clamps.
– **Pliers**: Needle-nose and regular pliers for hose clamps and small components.
– **Torque Wrench**: To ensure that bolts are tightened to the manufacturer’s specifications.
– **Coolant**: Suitable hydraulic fluid or coolant as specified in the Bomag service manual.
– **Replacement Parts**: New transmission cooler or repair kit, including gaskets and seals as needed.
– **Shop Towels or Rags**: For cleaning and absorbing spills during the repair.
– **Drip Pan**: To catch any fluid that may leak during the repair process.
– **Safety Gear**: Gloves, safety glasses, and steel-toed boots to protect yourself during the repair.
### Step-by-Step Repair Process
– **Preparation**:
– Ensure the roller is on a flat, stable surface and the engine is turned off.
– Allow the machine to cool down if it has been in operation.
– **Fluid Drainage**:
– Place a drip pan under the transmission cooler area to catch any fluid.
– Locate the drain plug on the transmission or cooling system and open it to drain the fluid completely.
– **Access the Cooler**:
– Remove any panels or covers obstructing access to the transmission cooler.
– Use the appropriate wrenches and sockets to remove bolts securing the cover.
– **Inspect the Cooler**:
– Check for visible damage, such as leaks, cracks, or corrosion in the cooler.
– If the cooler is repairable, consider cleaning it with a suitable solvent and checking for blockages.
– **Remove Old Cooler**:
– Disconnect the hoses attached to the cooler carefully using pliers or hose clamp tools.
– Remove the mounting bolts securing the cooler to the frame and take it out.
– **Install New or Repaired Cooler**:
– If installing a new cooler, ensure it is compatible with your specific Bomag model.
– Position the new cooler in place and secure it with the mounting bolts.
– Reattach the hoses, ensuring that they fit snugly and the clamps are tightened to prevent leaks.
– **Replace Gaskets and Seals**:
– If applicable, replace any gaskets or seals to ensure a proper seal between the cooler and the transmission housing.
– **Refill Fluid**:
– Once the cooler is securely installed, refill the transmission or hydraulic system with the appropriate fluid.
– Check the manufacturer’s manual for the correct type
and quantity of fluid.
– **Check for Leaks**:
– Start the engine and allow it to run for a few minutes while observing the cooler for any signs of leaks.
– Check all hose connections and the cooler itself for any signs of fluid escaping.
– **Final Assembly**:
– Replace any panels or covers that were removed during the repair process.
– Ensure all tools are removed from the work area and the surrounding area is cleaned.
– **Test the Roller**:
– Operate the roller briefly to ensure the transmission cooler is functioning correctly and that the transmission operates smoothly without any overheating issues.
### Conclusion
– **Documentation**:
– Document the repair process and any parts replaced for future reference.
– maintain a record of the maintenance for warranty purposes and operational history.
### Safety Reminder
Always refer to the specific service manual for the Bomag model you are working on for detailed procedures and specifications, and follow all safety guidelines when performing repairs.
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