This document provides instructions for the "Preventive Maintenance Kit Major" for Glunz & Jensen Plate Processors MD Thermal. It outlines the procedures for replacing key components to ensure the continued optimal performance of the plate processors.
Function Description
The Glunz & Jensen Plate Processors MD Thermal are industrial machines designed for processing printing plates. This "Preventive Maintenance Kit Major" focuses on replacing critical mechanical and electrical components that are subject to wear and tear over time, ensuring the smooth and reliable operation of the plate processing system. The kit specifically addresses the drive motor, brush motors, and drive shaft components, which are essential for the movement and cleaning of plates within the processor. By replacing these parts at specified intervals, the kit helps to prevent unexpected breakdowns, maintain processing quality, and extend the overall lifespan of the equipment.
Important Technical Specifications
The instruction manual is valid for kit number 10107160.
The estimated timing for the upgrade is 180 minutes.
The preventive maintenance kits are applicable to the following plate processors:
- Plate Processors MD 85 Thermal (Product number: 10097800)
- Plate Processors MD 125 Thermal (Product number: 10103140)
Kit Contents (Kit Number 10107160):
The kit includes the following parts:
- 10005392 BEARING, SHAFT, DRIVE: Quantity 1. This bearing is crucial for the smooth rotation and support of the drive shaft, which powers the plate transport system. Its replacement ensures precise and consistent plate movement, preventing friction and wear that could lead to operational inefficiencies or damage.
- 88961 BEARING, THRUST, AXIAL: Quantity 3. These bearings are designed to handle axial loads, which are forces acting parallel to the axis of rotation. In the context of the plate processor, they likely support components that experience significant pushing or pulling forces, such as the drive shaft or brush assemblies. Replacing them maintains the structural integrity and smooth operation of these loaded parts.
- 10025999 MOTOR, DRIVE: Quantity 1. The drive motor is the primary power source for the plate transport mechanism. Its replacement is vital for maintaining the correct speed and torque required to move plates through the processing stages. A failing drive motor can lead to inconsistent processing times, plate jams, or complete system shutdown.
- 10013531 MOTOR, BRUSH: Quantity 2. These motors power the brush assemblies, which are responsible for cleaning the plates during processing. Replacing them ensures effective and consistent cleaning action, which is critical for the quality of the processed plates. Worn brush motors can result in inadequate cleaning, leaving residue or imperfections on the plates.
- 10107159 INSTRUCTION (THIS DOCUMENT): Quantity 1. This document itself is an essential component, providing the detailed steps and guidelines for performing the maintenance procedure correctly and safely.
Usage Features
The Glunz & Jensen Plate Processors MD Thermal are designed for efficient and reliable plate processing. The maintenance procedures outlined in this document ensure that these usage features are sustained over time.
- Consistent Plate Transport: The replacement of the drive motor and drive shaft bearings ensures that plates are moved through the processor at a consistent and controlled speed, which is critical for uniform processing and avoiding plate damage.
- Effective Plate Cleaning: New brush motors guarantee optimal performance of the cleaning brushes, leading to thoroughly cleaned plates free from debris or chemical residues, which is essential for high-quality print results.
- Reduced Downtime: By proactively replacing wear-prone components, the maintenance kit helps prevent unexpected equipment failures, thereby minimizing costly downtime and maintaining production schedules.
- Extended Equipment Lifespan: Regular preventive maintenance, as detailed in this instruction, significantly extends the operational life of the plate processor, protecting the investment in the equipment.
Maintenance Features
This instruction manual details the preventive maintenance procedures for the "Major" kit, which are crucial for the longevity and optimal performance of the Glunz & Jensen Plate Processors MD Thermal.
- Scheduled Maintenance Intervals: The document provides clear maintenance intervals based on both processing hours and years after installation, whichever comes first. This structured approach ensures that critical components are replaced before they fail, preventing reactive repairs. For example, a "MAJOR" maintenance is recommended at 6000 processing hours or 4 years, and again at 12000 processing hours or 8 years.
- Component-Specific Replacement Procedures: The instructions provide step-by-step guidance for replacing specific components:
- Drive Motor: Involves opening covers, disconnecting cables, dismounting screws from the house bearing and bracket, and then replacing the drive motor.
- Brush Motors: Requires disconnecting cables, removing circlips, gears, and seals from brush bearings, dismounting screws, and then replacing the brush motors. Emphasizes changing both brush motors.
- Drive Shaft: Details disconnecting the ground cable, dismounting screws and nuts holding the drive shaft bearings, removing r-clips from axial bearings and worm gears, removing bearings and worm gears, replacing the drive shaft bearing and axial bearing, and then remounting the components.
- Safety Precautions: The manual highlights critical safety instructions, emphasizing that the equipment must be switched off and disconnected from electricity before any work is carried out. It also recommends removing the power plug and verifying that the equipment cannot run.
- Authorized Service Technicians Only: The document explicitly states that the instruction and procedure are for authorized service technicians only, ensuring that maintenance is performed by qualified personnel familiar with the equipment.
- Kit Contents Verification: Users are instructed to check the contents of the kit upon receipt to ensure all parts are present and in good condition, which helps prevent delays during maintenance.
- Serial Number Verification: A caution is included to verify the processor's serial number against the list of covered products, ensuring the correct kit is being used for the specific machine.
- Required Tools: The document specifies that a standard toolbox is required for the installation procedure, indicating that no specialized or proprietary tools are needed beyond common workshop equipment.
- Cross-Referencing with Minor Kit: For certain procedures, such as taking off circlips, gears, and seals from brush bearings, the instruction refers to the "Preventive Maintenance Kit Minor" instruction, indicating a modular approach to maintenance documentation and procedures.
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