AOpen DE7200 Series Instrucciones de operaciones Pagina 77
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MAINTENANCE
31 Dec 13 5-15
DE-7200VFDCentrifuge
HARDWARE TORQUE SPECIFICATIONS
Use only hardware that is approved by Derrick Corporation. The use of potentially inferior, non-
Derrick approved hardware may result in serious injury to personnel and/or damage to equipment.
Additionally, any warranty in force, whether written or implied, may be voided by use of
unapproved hardware. Contact Derrick Corporation with questions pertaining to hardware type
and usage associated with Derrick centrifuges.
WARNING! USE OF INFERIOR, NON-DERRICK APPROVED HARDWARE MAY
RESULT IN SERIOUS INJURY TO PERSONNEL AND/OR DAMAGE TO
EQUIPMENT.
Recommended seating torque specifications for the various types and sizes of hardware used on
the centrifuge are shown below.
Use the following procedure when tightening hardware:
1. Use only a calibrated torque wrench.
2. When tightening more than one bolt, alternate tightening between bolts.
3. Always approach the final torque in several stages.
HARDWARE TORQUE
Type Location
Torque
Ft lbs In lbs Nm
M12 Bowl and backdrive gearbox motors to base 41 496 56
M10 Weir plate to liquid bowl head 24 283 32
M12 Top cover to case 24 283 32
M10 Sheave to mounting flange on backdrive gearbox 24 283 32
M24 Main bearing pillow block to base 502 6018 680
M12
Feed tube to pillow block
55
650
75
M16 Top and bottom halves of main bearing pillow block 144 1726 195
M14 Clutch coupling half to conveyor motor shaft 184 2208 250
RECOMMENDED SPARE PARTS
The spare parts list below contains the parts required to support a single DE-7200 centrifuge for
two years. The components most susceptible to wear are included; however, all potential part
replacements cannot be predicted. The complete spare parts inventory should be based on the
user’s experience with similar equipment. When establishing a spare parts inventory, consider
duty cycle, ambient temperature, and operating environment.
- DE-7200 Centrifuge 1
- CONTENTS 5
- Section 6
- CONTENTS 7
- SECTION 1 - INTRODUCTION 9
- EQUIPMENT USE 10
- DESCRIPTION 10
- Rotating Assembly 11
- Drive Motors 12
- Control Cabinet 12
- Case and Base 13
- Vibration Switch 13
- MECHANICAL OPERATION 14
- CONTROL SYSTEM 15
- PRODUCT SUPPORT 16
- CONTACT INFORMATION 16
- SECTION 2 - SAFETY 17
- Equipment Handling 18
- Maintenance 19
- Storage 19
- MSDS’S (CONT’D) 20
- SECTION 3 - INSTALLATION 21
- STORAGE 22
- Rotating Assembly and Motors 22
- INSTALLATION SEQUENCE 23
- EQUIPMENT HANDLING 24
- EQUIPMENT HANDLING (CONT’D) 26
- Liquid Discharge 29
- Solid Discharge Chute 29
- EQUIPMENT LEVELING 29
- FEED AND FLUSH CONNECTIONS 31
- COMPRESSED AIR 33
- FEED PUMP 33
- ELECTRIC POWER CONNECTIONS 33
- Connection Options 33
- POLARITY TEST 36
- SENSOR CONNECTIONS 37
- MACHINE STARTUP 38
- GENERAL 39
- SOFTWARE VERSION 39
- OPERATING SAFETY 39
- Purge System Bypass 40
- INITIAL STARTUP 41
- INITIAL STARTUP (CONT’D) 42
- OPERATING INSTRUCTIONS 43
- NORMAL STARTUP 44
- COLD CLIMATE STARTUP 45
- OPERATION 45
- Bowl Speed 47
- Conveyor Differential Speed 47
- Pond Depth 47
- Pond Depth (Cont’d) 48
- BEARING TEMPERATURES 50
- MOTOR TORQUE TREND 50
- SYSTEM DIAGNOSTICS 51
- PERFORMANCE STATUS 51
- ALARM AND FAULT MESSAGES 52
- VFD STATUS 53
- VFD STATUS (CONT’D) 54
- PUMP VFD FAULT STATUS 54
- VFD TEMPERATURE TRENDS 55
- VFD FAULT RESET 55
- VFD FAULT RESET (CONT’D) 56
- SETUP SCREEN 56
- PUMP SETUP SCREEN 57
- CLEAN OUT 57
- CLEAN OUT (CONT’D) 58
- Automatic Cleanout 58
- Manual Cleanout 58
- NORMAL SHUTDOWN 59
- AUTOMATIC SHUTDOWN 59
- Excessive Vibration 59
- Main Bearing Temperatures 59
- Excessive Bowl Speed 60
- Conveyor Clutch Trip 60
- EMERGENCY SHUTDOWN 61
- Electric Power Shutdown 61
- Mechanical Shutdown 61
- SECTION 5 - MAINTENANCE 63
- PREVENTIVE MAINTENANCE 64
- LUBRICATION CHART 65
- GEARBOX OIL LEVEL CHECK 65
- GEARBOX OIL CHANGE 66
- DRIVE BELT REPLACEMENT 67
- PURGE SYSTEM 69
- Bypassing Purge System 69
- Initial Purge Time Setting 70
- Leakage Compensation Test 71
- Rotating Assembly Removal 73
- Cleaning and Inspection 75
- Installation 76
- RECOMMENDED SPARE PARTS 77
- TROUBLESHOOTING 79
- Troubleshooting Procedure 79
- TROUBLESHOOTING (CONT’D) 80
- Troubleshooting Chart 80
- CONTROL COMPONENT INDICATORS 98
- MAINTENANCE 100
- DE-7200VFDCentrifuge 103
- CONTROL ENCLOSURE ASSEMBLY 141
- DE-7200 EX-PROOF 460/480/60/3 141
- 16472-00-002 141
- DE-7200 EX-PROOF 380/400/3 143
- 16472-00-003 143
- DE-7200 EX-PROOF 575/600/60/3 145
- 16472-00-004 145
- DE-7200 460/480/60/3 147
- 16472-00-005 147
- PURPOSE 149
- DE-7200VFDCentrifuge 150
- INSTALLATION 156
- HMI Server Installation 156
- Electric Power Connections 156
- Ethernet Connections 157
- Appendix A-HMIServerSystem 158
- OPERATING HMI SERVER 159
- Startup and Shutdown 159
- Operation 159
- Operation (Cont’d) 160
- REFERENCE DRAWINGS 164
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