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BP800 Series Beside-the-Press Granulators
Models BP810, BP814, BP818
Effective: 8.13.2008
Write Down Your Serial Numbers Here For Future Reference:
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We are committed to a continuing program of product improvement.
Specifications, appearance, and dimensions described in this manual ar
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Shipping Info Unpacking and Inspection You should inspect your granulator for possible shipping damage. Thoroughly check the equipment for any damage that might have occurred in transit, such as broken or loose wiring and components, loose hardware and mounting screws, etc. In the Event of Shipping Damage According to the contract terms and conditions of the Carrier, the responsibility of the Shipper ends at the time and place of shipment. Notify the transportation company’s local agent
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Table of Contents CHAPTER 1: SAFETY 5 1-1 How to Use This Manual ............................................................................................. 5 Safety Symbols Used in this Manual ..................................................................... 5 1-2 General Safety Regulations ........................................................................................ 6 1-3 Responsibility ......................................................................................
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7-4 Spare Parts List ......................................................................................................... 40 7-5 Technical Assistance ................................................................................................ 41 iv
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Chapter 1: Safety 1-1 How to Use This Manual Use this manual as a guide and reference for installing, operating, and maintaining your granulator. The purpose is to assist you in applying efficient, proven techniques that enhance equipment productivity. This manual covers only light corrective maintenance. No other maintenance should be undertaken without first contacting a service engineer. The Functional Description section outlines models covered, standard features, and safety featur
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1-2 General Safety Regulations This machine uses knives for the performance of its intended use. Consequently, it can be a dangerous machine to operate and maintain unless these safety regulations are followed. These regulations should be read, understood and periodically reviewed by all personnel involved in any way with this machine. Never operate or remove any machine components that are secured by wrench-type fasteners unless the motor is electrically locked out and the rotor is motion
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1-4 Warnings and Precautions Our granulators are designed to provide safe and reliable operation when installed and operated within design specifications, following national and local safety codes. To avoid possible personal injury or equipment damage when installing, operating, or maintaining this granulator, use good judgment and follow these safe practices: þ LEARN AND OBEY your company’s safety policy regarding granulating equipment. þ MOVING OR LIFTING THE GRANULATOR: Although our
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þ ROTATION OF MOTORS: The correct rotating direction for the granulator motor is clearly marked on the machine. Always check for proper rotation of motors. Incorrect rotation direction can cause severe damage. þ ELECTRICAL GROUNDING: All electrical equipment on the granulator must be grounded in accordance to all local codes and Article 250 of the National Electric Code. þ ALWAYS DISCONNECT AND LOCKOUT the main electrical power to the granulator before performing any service. þ SAFET
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Chapter 2: Functional Description 2-1 Models Covered and General Description The models covered in this operational manual include, from the 800 Series Beside-the- Press Granulators, BP810, BP814, and BP818. This family of granulators has been designed to granulate plastic material such as sprues, runners, and small reject parts. The granulator is comprised of an in-feed hopper into which the material to be granulated is fed, mounted on a cutting chamber in which a series of rotary and be
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Optional Equipment The 800 Series Beside-the-Press granulators offer the following options: • Conveyor • Other screen hole sizes • Blower/airveying system • Vacuum bin • Special operating voltages Technical Data In-feed Front or top entry In-feed hopper For manual feeding Cutting chamber Upright bolted type Rotor 3-knife rotor w/ lateral disks Cutting system Scissor action with double angle cutting Knives Tool steel NOTE: Refer to Drawings and Diagrams chapter for more in
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The method of opening the granulator has been designed to restrict the operator access, which allows the rotor and all moving knives to stop completely. Allowing operating access more quickly could be dangerous because it is possible to make contact with the granulator knives while they are still rotating. Figure: Safety Switch Opening the Granulator The Start/Stop lighted push-button provide on the control panel (see figure below) is used to
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Figure: Control Panel Start/Stop Push- Disconnect Button switch Chapter 2: Functional Description 12 of 41
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Chapter 3: Installation 3-1 Uncrating the Equipment Prepare in advance the site you have selected for installation of the granulator. Be sure the area the machine will occupy is clean, level, and free of obstruction. The selected site must have a floor rating to adequately support the weight of the machine. The granulator is mounted on a wooden skid and blocked and banded to secure it for shipment. All non-painted items subject to corrosion are coated with a quality rust preventativ
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3-2 Installing the Granulator NOTE: Before lifting or moving the granulator, check the relative weight shown on the shipping papers. To facilitate the lifting operation using forklift trucks, the drop box has been removed from the granulator and is packed with any spare parts. When using a forklift to move the granulator, make sure it is suitable for the weight and dimensions of the granulator. When moving the machine, make sure NOT to damage delicate parts. To lift the machine with
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3-3 Electrical Connections It is extremely important that the machine is correctly wired into the plant power source by a licensed electrician. (See wiring diagram.) All electrical equipment must be properly grounded in accordance with local and national codes to protect personnel from electrical shock. A fusible, lockable disconnect between the plant power source and the machine electrical cabinet is highly recommended. CAUTION! Before connecting the power, check that the power cab
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3-4 Initial Start-up Start-up Checks Checking the Cutting Chamber Before starting the granulator, open the cutting chamber to ensure that no foreign objects have fallen in during transportation and installation. The use of heavy gloves is recommended to avoid injury when exposed to knives in the cutting chamber. NOTE: This operation must be carried out by an operator/mechanical maintenance engineer. Check that the cutting chamber is free of foreign objects by following these st
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9. Remove the drive belt guard by unscrewing the ten (10) fastening screws. 10. Manually give the rotor at least one complete turn using the rotor pulley. 11. If there are no warning noises or signs of friction, then the cutting chamber is completely clear. Replace the belt guard, remove lock out devices, and turn power ON. Checking Rotation Direction Check to make sure the direction of the rotor is correct using the following steps: 1. Turn the main disconnect sw
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Test the Interlock Switch With the cutting chamber and screen cradle closed and power ON, perform the following tests: 1. Push the Start button to start the granulator. 2. With the granulator running, loosen the hand knob on the front access door to verify the safety interlock switch shuts the machine off. If the hand knob is completely loose and the power does not disconnect, the interlock switch is not working and the cause of malfunction must be determined. 3. Turn OFF
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NOTE: The distance set by the manufacturer for normal application is 0.006" to 0.008" (0.15 mm to 0.20 mm). If the gap between the bed knives and the rotor knives is greater than this range, an adjustment must be made. (See “Inspection and Adjustment of Knives”.) Once you have checked the knife gap, close the hopper and secure it with the appropriate swing bolt. Reinsert the bin and close the front panel. Chapter 3: Installation 19 of 41
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Chapter 4: Operation 4-1 Start-up Pre-operational Checklist To ensure the granulator is ready for operation, perform the outlined tasks in the following pre-operational checklist. All electrical and mechanical machine elements MUST be inspected and any defects MUST first be corrected. ü Make sure the operational manual has been read and followed. ü Make sure that all necessary personnel (granulator operators, cleanout, maintenance, service personnel) have been fully trained on ma
