Cat Electric Rope Shovel Series C & D Tenkay Dust Collector Installation and Operation Manual – PDF DOWNLOAD
DESCRIPTION:
Cat Electric Rope Shovel Series C & D Tenkay Dust Collector Installation and Operation Manual – PDF DOWNLOAD
INTRODUCTION
- 1.1. General The Farr TENKAY is an aspirated cartridge, self cleaning dust collector. Incoming air passes from the outside to the inside of the cartridges; enters the upper or clean air plenum; and exits through the clean air outlet.
- Cartridges are sequentially cleaned by back flushing with air from the clean air plenum. This momentary airflow reversal is induced by short bursts of compressed air and is limited to only one of the cartridges at a time. As a result, the unit continues to collect dust even as its cartridges are being cleaned.
1.2 Control Systems
- 1. 2. 1 valves –operated pressed. MANUAL CONTROLS consist of a group of button bleeder one for each diaphragm valve. A diaphragm valve is whenever and for as long as its button bleeder valve is Manual controls are not available on sizes SD and lOD. 1.2.2 AUTOMATIC CONTROLS include a separate, electricallyoperated pilot solenoid valve for each diaphragm valve.
- The solenoid valves are controlled by either a P3 or T3 Control Box, each of which encloses a solid-state Sequential Controller that determines the order in which the solenoid valves are operated; the length of time that the valves remain open; and the time interval between such valve openings. The T3 Control Box operates continuously whenever electrical power is supplied to it.
- The P3 Control Box, on the other hand, only operates when the Photohelic Pressure Switch/Gage mounted in its door indicates that the cartridges have collected sufficient dust to raise their pressure drop above the set point of the Photohelic •. When the differential pressure across the cartridges once again drops below the set ·point of the Photohelic, the cleaning cycle stops after the last valve has pulsed.
Compressed Air Requirements
- 1.3.1 Air reservoir pressure must be set between 90 psig (the minimum pressure which will assure truly effective cleaning of the cartridges) and 105 psig (the maximum allowable working pressure of the valves and air reservoir).
- 1.3.2 The total consumption of c=ipressed air is a variable that is dependent upon the amount and type of dust being collected; the size of the dust collector; the condition of the filter cartridges;
- the set points of the OFF and ON timers in the Sequential Controller; the pressure in the air reservoir; and the set point of the Photohelic, if a P3 Control Box is used. When the ON timer is set at its normally recommended time of 0.1 second and the air reservoir pressure is at 100 psig, approximately 0.9 cubic feet of free air will be used per pulse
1.3.3 Wh!le the cartridges are being cleaned, the average usage rate in CFM of free air depends upon the setting of the OFF timer. If set at 20 seconds ( 3 pulses per minute), for example, the average usage rate during a cleaning cycle would be: (0. 9 cu.ft./pulse) x (3 pulses/minute) = 2. 7 CFM of free air.
1.4 Safety Precautions
1.4.l Farr Company relies on the skills and expertise of its customer and any consulting engineers and/or installing contractor hired by that customer to properly design and install the dust collection system of which the Farr TENKAY Dust Collector is a part. Take precautions as necessary to minimize the inherent risk of dust combustion, fires, and explosions. Read this manual thoroughly and comply with the precautionary statements relative to worker safety.
TABLE OF CONTENTS:
Cat Electric Rope Shovel Series C & D Tenkay Dust Collector Installation and Operation Manual – PDF DOWNLOAD
1 0 INTRODUCTION Page
1 1 General 1
! 2 Control Systems l
1 3 Compressed Air Requirements l
1 4 Safety Precautions 2
1 5 Warnings 2
1 6 Blast Gate or Fan Damper 2
2 0 ASSEMBLY AND INSTALLATIONS
General 3
Dust Collector Assembly 3
Bin Vent Assembly 3
Duct Connections 3
Fan Option (Model C Only) 4
Safety Monitoring Filter Option (Model C Only) 4
Compressed Air Supply Line 5
Pneumatic Tubing Connections S
Automatic Controls, Type T3 (Option) 6
Automatic Controls, Type P3 (Option) 6
Manual Pulse Controls Option {2C-5C, 4D & 6D Only) 6
Manual Pressure Gage Option 6
Cartridge Installation 7
Initial Check-out and Start-up 7
3 0 0?£RATION AND MAINTENANCE
3 1 Normal Operation and Maintenance — 9
3 2 Re-adjusting the Photo public (P3 Controls Only) 9
3 3 Cartridge Replacement 9
4 0 TROUBLESHOOTING MANUALLY CONTROLLED UNITS
4 1 Diaphragm Valve Stays Closed 11
4 2 Diaphragm Valve Stays Open 11
5 0 TROUBLESHOOTING AUTOMATICALLY CONTROLLED UNITS
5 1 Cleaning Cycle Will Not Start or Will Not Repeat 12
5 2 Cleaning Cycle Never Stops (P3 Controls Only) 13
5 3 One of the Diaphragm Valve Stays Closed 13
5 4 One of the Diaphragm Valve Stays O?en 14
5 5 One Load Output Terminal Not Working 14
5 6 Pneumatic Troubles 14
6 0 HIGH PRESSURE DROP OR SHORT CARTRIDGE LIFE 16
7 0 SPARE AND REPLACEMENT PARTS 17
8 0 APPENDIX
Model C ~Assembly & Dimensions 18
Model D Assembly & Dimensions 19
Fan Assembly Mounting {Model C Option) 20
Safety Monitoring Filter (Hodel C Option) 21
Solenoid Valve Installation
Solenoid Valve Installation details 23
Wiring Diagram, T3-3 & T3-6 Control Boxes 24
Wiring Diagram, ?3-lG & T3-l0 Control Boxes 25
Installation Cartridge Installation 27
Cartridge Airflow Versus P~essure Drop 28
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