OTC 1880 Pusher, Spreader, and V-Block Accessory Set User Manual

1. Introduction

This manual provides instructions for the proper use and maintenance of the OTC 1880 Pusher, Spreader, and V-Block Accessory Set. This set is designed to complement 17-1/2-ton shop presses, offering a range of adapters and attachments for various pressing and pulling applications. The components are engineered for durability and precision, ensuring effective operation in automotive and industrial settings.

This image displays the complete OTC 1880 accessory set. On the left is the bearing pulling attachment, a two-piece clamp with threaded rods. In the center are three ram pushing adapters of varying sizes. On the right are two V-blocks, designed for supporting cylindrical workpieces.

2. Safety Information

Always prioritize safety when operating shop presses and using accessories. Failure to follow safety guidelines can result in serious injury or equipment damage.

• Read and understand the shop press manufacturer's manual before using these accessories.
• Wear appropriate personal protective equipment (PPE), including safety glasses, gloves, and sturdy footwear.
• Ensure the shop press is stable and securely anchored before operation.
• Never exceed the rated capacity of your shop press or the accessory components.
• Always center the workpiece and accessories under the ram to prevent off-center loading.
• Keep hands and other body parts clear of the pressing area during operation.
• Inspect all components for damage or wear before each use. Do not use damaged equipment.
• Ensure the workpiece is securely supported on the press bed or V-blocks.

3. Components Included

The OTC 1880 Accessory Set includes the following components:

• Nos. 201923 & 201454 Ram Pushing Adapters: Two adapters with 1/2 inch and 3/4 inch diameter shanks for various pushing applications.
• No. 34806 V-Pushing Adapter: Designed for specific pushing tasks requiring a V-shaped contact point.
• No. 1890 V-Blocks (pair): Used to securely support round or irregularly shaped workpieces on the press bed.
• No. 1123 Bearing Pulling Attachment: A specialized tool for the removal of bearings.

4. Setup

Proper setup is crucial for safe and effective operation. Always ensure components are clean and free of debris before assembly.

• Ram Pushing Adapters & V-Pushing Adapter: These adapters attach directly to the ram's forcing screw of your 17-1/2-ton shop press. Select the appropriate adapter based on the task and the size of the ram's forcing screw. Ensure it is securely seated.
• V-Blocks: Place the V-blocks securely on the press bed. Position them to provide stable support for the workpiece, ensuring the workpiece is centered under the press ram.
• Bearing Pulling Attachment: This attachment is typically used on the press bed. Position the bearing pulling attachment around the bearing to be removed, ensuring a firm and even grip. The press ram will then apply force to the center of the attachment to extract the bearing.

5. Operating Instructions

5.1. Using Ram Pushing Adapters (Nos. 201923 & 201454)

These adapters are used for general pushing applications. Select the adapter with the shank size that matches your press ram's forcing screw. Attach it securely. Position the workpiece on the press bed, ensuring it is stable and properly aligned. Apply gradual, controlled pressure with the press ram to perform the pushing operation.

5.2. Using the V-Pushing Adapter (No. 34806)

The V-Pushing Adapter is ideal for applications where a V-shaped contact point is required to push or separate components. Attach it to the ram's forcing screw. Ensure the V-shape aligns correctly with the workpiece to prevent slippage. Apply pressure slowly and steadily.

5.3. Using V-Blocks (No. 1890)

The V-blocks are used in pairs to provide stable support for cylindrical or irregularly shaped workpieces during pressing operations. Place the V-blocks on the press bed, ensuring they are level and spaced appropriately for the workpiece. Carefully position the workpiece in the V-grooves, verifying it is centered under the ram before applying pressure.

5.4. Using the Bearing Pulling Attachment (No. 1123)

This attachment is specifically designed for removing bearings. Position the two halves of the attachment around the bearing to be pulled, ensuring a secure and even grip. Tighten the fasteners on the attachment as needed. Place the assembly on the press bed. Use the press ram to apply force to the center of the attachment, which will exert upward pressure on the bearing, facilitating its removal.

6. Maintenance

Regular maintenance ensures the longevity and safe operation of your accessory set.

• Cleaning: After each use, clean all components to remove dirt, grease, and debris. Use a mild cleaner and a cloth.
• Inspection: Periodically inspect all parts for signs of wear, cracks, bends, or other damage. Pay close attention to threaded areas and contact surfaces. Replace any damaged components immediately.
• Lubrication: Apply a light coat of rust-preventative oil to metal surfaces, especially threaded parts, before storage.
• Storage: Store the accessory set in a clean, dry place to prevent corrosion and damage.

7. Troubleshooting

If you encounter issues during operation, consider the following:

• Difficulty in pressing/pulling: Ensure the workpiece is correctly positioned and the accessory is properly attached. Verify that the press capacity is sufficient for the task.
• Slippage of workpiece: Re-check the stability of the workpiece on the V-blocks or press bed. Ensure the V-blocks are clean and free of oil or grease.
• Damage to components: Immediately cease operation if any accessory component shows signs of bending, cracking, or deformation. Do not attempt to repair damaged components; replace them with genuine OTC parts.

8. Specifications

9. Warranty and Support

The OTC 1880 Pusher, Spreader, and V-Block Accessory Set is backed by OTC's Limited Lifetime Warranty. This warranty covers defects in materials and workmanship under normal use. For specific warranty terms and conditions, please refer to the official OTC warranty documentation or contact OTC customer support.

For technical assistance, replacement parts, or warranty claims, please contact OTC customer support through their official website or the contact information provided with your product packaging.