Sealey GDM92B & GDM140F 12-Speed Bench Mounting Pillar Drill Parts Information
Comprehensive parts breakdown and component identification guide for the Sealey 12-Speed Bench Mounting Pillar Drill (GDM92B & GDM140F). Includes detailed exploded view diagrams and full parts lists for maintenance and repair.
Table of contents
Quick guide from the manual
This document serves as the official parts identification guide for the Sealey 12-Speed Bench Mounting Pillar Drill, models GDM92B and GDM140F. It provides an exploded view diagram of the machine and a comprehensive list of all individual components, part numbers, and descriptions required for maintenance and repair.
Important safety and maintenance notes
- Competent person requirement: All spare parts must be fitted by a competent person to ensure safety and proper operation.
- Liability: No liability is accepted for incorrect use of the product.
- Warranty: The product is covered by a 12-month guarantee from the date of purchase. Proof of purchase is required for any claims.
- Product updates: Sealey reserves the right to alter specifications and component parts without prior notice. Always verify the specific version of your machine.
Component identification
The manual provides a detailed breakdown of the drill assembly, including:

- Base and Column: Specific base and column sizes for GDM92B and GDM140F models.
- Table Assembly: Includes table arm, bracket, and round table components.
- Drive System: Detailed list of pulleys, V-belts (K-456 and K550), motor, and spindle assembly.
- Control and Feed: Handle, feed shaft, scale ring, and emergency stop switch housing.
- Bearings and Hardware: Comprehensive list of circlips, nuts, bolts, washers, and grub screws used throughout the assembly.
Contact information
For support or inquiries regarding parts, contact Sealey Group:
Tel: 01284 757500Email: [email protected]: www.sealey.co.uk
Official resources from the manual
Manufacturer information
Sealey Group
Practical help
Common problems
Verify the model number (GDM92B or GDM140F) as some parts like the base and column are model-specific.
Ensure all repairs are performed by a competent person; refer to the exploded diagram to identify the specific part number before ordering.
Before use
- Verify the model number on the machine matches the parts list.
- Check for any loose components or missing hardware.
- Ensure the drill guard (DPG99) is present and correctly installed.
- Confirm the V-belt tension is appropriate for the desired speed.
Images and diagrams
- The exploded view diagram provides a numbered reference for every component in the drill assembly.
- Numbers in the diagram correspond directly to the 'Item' column in the provided parts tables.
Model compatibility
- GDM92B and GDM140F share many components but have different base and column dimensions.
- Always check the 'Description' column for 'GDM92B Only' or 'GDM140F Only' labels.
Manual page author
David Miller
Documentation analyst
Organizes user manual content into clear summaries, with attention to model details, product context, and everyday usability.