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Summary of Contents for Buhler MAYV Series
- Page 1 Rotary distributor Operating instructions MAYV (-Ex) Original operating instructions MAYV-20150-2-1808-en-US...
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Page 2: Table Of Contents
Table of contents Important information Availability of the instructions ............... Scope of validity .................... Applicable documents ................... Contact ......................1.4.1 Feedback regarding these instructions ......... Personnel qualification .................. 1.5.1 Mechanics ..................1.5.2 Electricians ..................1.5.3 Welders ..................1.5.4 Bühler service personnel .............. 1.5.5 Owner's service personnel ............ - Page 3 Operating principle ..................EMERGENCY STOP ..................Safety signs ....................Transportation Safety ......................5.1.1 Suspended load ................Packaging symbols ..................Checking delivery ..................Intermediate storage ..................Lifting instructions ..................Assembly Installation ..................... Installing product connections ..............Connecting supply units ................6.3.1 Connecting the electrical installation ..........
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Page 4: Important Information
Important information Availability of the instructions These instructions constitute part of the product. ► Retain the instructions and other applicable documents over the entire life- time of the product and keep them at hand for reference. ► Pass on the instructions and other applicable documents to the next owner or operator of the product. -
Page 5: Electricians
1.5.2 Electricians Personnel who work on electrical devices must be technically qualified or have completed the training by the Bühler Group. 1.5.3 Welders Personnel who weld on the equipment must have specialized training. 1.5.4 Bühler service personnel Manufacturer's personnel who execute the assembly and commissioning, as well as complex service and maintenance tasks. -
Page 6: Safety
Safety Intended use The rotary distributor is designed for the continuous distribution of a product stream to 4 to 8 outlets. It is suitable only for free-flowing and dry, non-abrasive products. Any use that exceeds the contractually defined range of application is consid- ered non-intended. -
Page 7: Personnel Qualification
Personnel qualification Unqualified personnel cannot recognize risks and are thus exposed to greater danger. ► Allow only technically qualified personnel to perform the activities described in these operating instructions. ► Ensure that personnel comply with the local laws and regulations for safe and hazard-conscious work. -
Page 8: Fire Protection
Fire protection During operation, an excessively high product temperature or flammable parti- cles can cause a fire. ► Ensure that personnel know the fire prevention measures. ► Prepare a water connection for extinguishing fires. ► Keep a fire extinguisher near the machine. ►... -
Page 9: Technical Data
Technical data Environmental conditions Designation Value Unit Temperature range +5 … +40 °C Relative humidity 30 … 95 % Features Capacity Designation Value Unit Inlet ø150 40 m Inlet ø200 84 m Inlet ø250 141 m Conveying capacity for flour (0.5 t/m Designation Value Unit Inlet ø150... -
Page 10: Acoustic Emission
Acoustic emission 3.4.1 Measured values The measured values do not take ambient effects into account. Designation Value Unit ≤ 70 dB (A) Equivalent workplace-related emission value L Weights Designation Value Unit Unpackaged without supports 95 kg Unpackaged with supports 120 kg Dimensions ø590 35°... -
Page 11: Electrical Specifications
Electrical specifications 3.7.1 Gearmotor Designation Value Unit Brand Nord Power consumption 0.37 kW Degree of protection IP55 Speed 29 rpm Bühler AG MAYV-20150-2-1808-en-US Chapter 3 Technical data... -
Page 12: Description
Description Identification 4.1.1 Nameplate * Model: Serial No.: Manufactured: Fig. 4.1 Nameplate (1) Manufacturer (4) Year of manufacture (2) Address of the manufacturer (5) Machine number (3) Machine type (6) ATEX marking Position of the nameplate Fig. 4.2 Bühler AG MAYV-20150-2-1808-en-US Chapter 4 Description... -
Page 13: Type Code
4.1.2 Type code MAYV-15-2-6-Ex MAYV Machine code Inlet diameter 150 Discharge diameter 120 Number of outlets Approval for potentially explosive atmosphere 4.1.3 Explanation of ATEX marking II 3D T125°C Marking Meaning ATEX symbol Equipment group …/3 External category 3 Dust atmosphere Maximum surface temperature in °C to be expected in nor- mal operation at full load and at a maximum ambient tem- perature of +40 °C... -
Page 14: Overview
Overview Fig. 4.3 (1) Housing jacket (5) Base plate (2) Rotary cylinder (6) Gearmotor (3) Hopper (7) Inlet (4) Drive shaft (8) Lid Operating principle The product stream is distributed uniformly through a rotary cylinder rotating at 29 rpm to the hoppers and thus to the outlets. Because the housing is tight, it requires no additional aspiration connection. -
Page 15: Safety Signs
Safety signs Safety signs warn against dangers. Fig. 4.4 Safety signs Meaning Set the safety switches to “0” and lock them. No reaching in. Bühler AG MAYV-20150-2-1808-en-US Chapter 4 Description... -
Page 16: Transportation
Transportation Safety 5.1.1 Suspended load Falling loads can cause serious injuries. ► Use only undamaged hoisting devices with a sufficient rating. ► Fasten loads in accordance with regulations. ► Do not step or stand under suspended loads. ► Ensure that there is no one in the danger zone. Packaging symbols Fig. -
Page 17: Lifting Instructions
Lifting instructions Fig. 5.2 Bühler AG MAYV-20150-2-1808-en-US Chapter 5 Transportation... -
Page 18: Assembly
Assembly Installation 1. Bolt supports firmly to floor or ceiling. 2. Align the base plate horizontally with a spirit level. Installing product connections Connect gravity spouts to inlet and outlets. Take care to ensure that the connec- tions are tight. Connecting supply units 6.3.1 Connecting the electrical installation... -
Page 19: Commissioning
Commissioning To be checked before commissioning ✓ Check All transport aids and assembly fixings have been removed. The electrical installation has been carried out and checked by an authorized, qualified electrician. All electrical terminal boxes and sockets are closed. The machine is grounded. Direction of rotation of gearmotor is correct. -
Page 20: Operation
Operation Starting and stopping the machine 8.1.1 Starting 1. Start machine via the plant control system. Refer to the documentation for the control. 2. Start product feed. 8.1.2 Starting machine after EMERGENCY STOP 1. Eliminate the cause of the fault. 2. -
Page 21: Fault Elimination
Fault elimination Faults Dust escapes into the equipment. Cause Correction ► Check seals and bolted joints. Leaks ► Tighten bolted joints if necessary. ► Replace sealing tape if necessary. Rotary distributor does not start up. Cause Correction ► See the operating manual of the control. Defect in the machine or plant con- trol system. -
Page 22: Maintenance
Maintenance 10.1 Cleaning 10.1.1 Cleaning schedule Interval Machine part Dura- Measure tion ► Remove dust and dirt deposits. 3000 h / Machine outside. __:__ 6 months ► Clean with a damp cloth. Electric cable __:__ 10.2 Lubrication 10.2.1 Lubrication schedule The bearing is maintenance-free. -
Page 23: Decommissioning
Decommissioning 11.1 Disassembly Once work with the machine is complete (reconditioning, removal or disposal), the machine is disassembled in reverse order to the assembly process. ► The machine may only be disassembled in accordance with all accident-pre- vention measures and only by instructed personnel. This personnel must be familiar with the safety precautions. - Page 24 Bühler AG CH-9240 Uzwil, Schweiz T +41 71 955 11 11 F +41 71 955 33 79 www.buhlergroup.com...
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