Bucyrus
Latch adjustment washer for Bucyrus 4100XPCAC
This latch adjustment washer allows for precise spacing and tension control within the latch mechanisms of large mining shovels. It is compatible with Bucyrus 4100XPCAC, 7495HR2, P&H 4100XPCAC, and P&H 7495HR2 models, identified by part number 12P987D1.
Compatible models
Specifications
- Part number
- 12P987D1
- Brand
- Bucyrus
The latch adjustment washer is a precision component designed to establish and maintain the correct clearance or tension within latch and closure mechanisms. By compensating for dimensional variations between mating parts, this washer enables the fine-tuning required for the secure and consistent operation of locking systems. It ensures that latches engage and disengage correctly, preventing unwanted movement or failure of the closing assembly.
This component is specifically engineered for use in large electric mining shovels, including the Bucyrus 4100XPCAC, Bucyrus 7495HR2, P&H 4100XPCAC, and P&H 7495HR2. These machines operate in demanding open-pit environments where latching systems on access doors, covers, or mechanical linkages must remain secure under operational loads and vibrations. The specific thickness of this washer is critical to achieving the exact spacing necessary for the latch to function without excessive play or binding.
Adjustment washers are used throughout heavy machinery to set the axial position of components or to preload assemblies. In a latching system, they provide the necessary spacing to ensure that the latch mechanism operates within its design tolerances. Proper installation of the correct washer prevents issues such as incomplete engagement or unexpected release of doors and covers, which are essential for maintaining the integrity of the machine's safety and access systems.

