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General| Model | CBEX-DE |
|---|---|
| Manufacturer | CleaverBrooks |
| Category | Boiler |
| Type | Firetube |
| Control System | Hawk ICS |
| Fuel Type | Natural Gas, Oil |
| Efficiency | 85% - 88% (Fuel to Steam) |
General description of the CBEX-DE boiler construction and features.
Identifies and locates major components of the boiler system.
Describes the blower assembly, also called the cassette, and its removal.
Explains typical configurations of feedwater piping systems.
Details the components and function of the main gas train for fuel delivery.
Describes the components and function of the pilot ignition system.
Illustrates the burner drawer and its components.
Describes the components and function of the fuel oil supply system.
Explains the role of actuators in the combustion control system.
Describes the control panel housing the PLC, HMI, and flame safeguard.
Details the function of pressure gauges, operating limit, and high limit controls.
Describes high limit and operating limit temperature controls for hot water boilers.
Explains the function and components of low water cutoff devices.
Details the components and function of the air compressor for oil atomization.
Discusses the function, installation, and importance of safety valves.
Details water requirements and feed pump operation for steam boilers.
Outlines water requirements, circulation, and temperature for hot water boilers.
Discusses water circulation rates, multiple boiler installations, and pump location/operation.
Explains objectives and importance of proper water treatment for boiler longevity.
Covers cleaning of steam/hot water piping and the pressure vessel interior.
Provides a procedure for cleaning new boilers to remove manufacturing residue.
Details procedures for washing out steam and hot water boilers.
Explains the purpose and types of blowdown for steam boilers.
Outlines requirements and procedures for periodic inspection of the pressure vessel.
Guides on preparing the boiler for extended periods of non-use, wet or dry storage.
Covers initial inspections, adjustments, and safety checks before firing.
Explains general burner controls like operating and high limit controls.
Details procedures for verifying and testing the operation of various boiler controls.
Discusses verifying LWCO sensitivity settings for steam boilers.
Explains the function and adjustment of the combustion air proving switch.
Describes the function and adjustment of the atomizing air proving switch.
Provides detailed steps for adjusting the gas pilot flame and checking signal readings.
Explains how to regulate gas pressure for efficient and stable flame operation.
Details linkage adjustments for single-point positioning systems.
Describes the modulating motor and its adjustment for burner control.
Explains the function and adjustment of the low gas pressure switch.
Details the function and adjustment of the high gas pressure switch.
Covers checks for proper location of burner drawer components and diffuser settings.
Explains the function of the oil drawer switch and its electrical removal.
Outlines the conditions and steps for initiating the burner and control system startup.
Details general preparations before starting the boiler, covering electrical, fuel, and water connections.
Discusses setting operating and high limit controls for steam and hot water boilers.
Covers checking the gas pilot for satisfactory performance before initial firing.
Details checking air flow and pressure for oil-fired burners and oil level.
Outlines steps for establishing oil flow, pressure, and atomizing air before firing.
Details preparations for gas firing, including actuator connections and gas pressure checks.
Covers the general process for starting, operating, and shutting down the boiler.
Provides a guide for identifying and correcting common burner and control system problems.
Describes the procedure for safely shutting down the burner in an emergency.
Provides a schedule for daily, monthly, semi-annual, and annual boiler inspections.
Discusses requirements for periodic inspection by an authorized inspector.
Explains the importance and procedure for cleaning fireside surfaces to maintain efficiency.
Details the function and maintenance of low water cutoff devices.
Covers the replacement of a broken or discolored water gauge glass.
Details inspection and cleaning of operating controls, and protection of power supply.
Covers maintenance of the flame safeguard system, including detector cleaning.
Provides steps for safely removing the burner drawer for inspection or maintenance.
Covers inspection and maintenance of oil burner components like the nozzle and diffuser.
Details inspection and maintenance for gas burner components, seals, and electrodes.
Notes that motorized gas valves have no user serviceable parts and require replacement if inoperative.
Discusses maintenance of solenoid valves, including checking voltage and cleaning plunger assemblies.
Advises checking the air control damper for free movement and proper engagement.
Provides safety and procedural steps for removing the fan/motor cassette.
Covers inspection and adjustment of IFGR system for NOx compliance and efficiency.
Outlines the process for closing and securing the fan/motor cassette after maintenance.
Details recommendations for safety valve inspection, testing, and operation.
Describes maintenance and replacement procedures for the fuel oil metering valve packing.
Covers maintenance of the air pump and its lubricating oil system.
Explains the importance and method for aligning pump and motor flexible couplings.
Discusses maintenance of refractory components like throat tile and furnace liner.
Details the procedure for opening and closing the boiler's front and rear doors.
Covers lubrication requirements for electric motors and solenoid/motorized valves.
Explains factors affecting burner adjustments and the use of a combustion analyzer.
Discusses inspection and maintenance of linkage systems for single-point positioning boilers.
Provides instructions on how to order spare and replacement parts from Cleaver-Brooks.
Lists parts for the burner assembly for different emission levels and HP ratings.
Provides a parts breakdown for the 500-800 HP light oil burner assembly.
Lists parts for refractory arch brick and liner tile for different HP ratings.
Lists parts for the 67" and 78" front head assemblies.
Lists parts for the 83" front head assembly.
Details impeller sizes and clearances for blower cassettes based on HP and emission levels.
Lists parts and specifications for Modbus actuators used in parallel positioning systems.
Lists parts and specifications for the FGR actuator.
Lists parts and specifications for gas actuators used with different valve sizes.
Lists parts and specifications for the fuel oil actuator.
Illustrates typical gas train configurations and mentions selection criteria.
Details components of the fuel oil controller for different models and piping types.
Lists part numbers for oil pressure controls (LOPS/HOPS) with pressure ratings.
Lists components for the light oil pilot system.
Lists parts for 15/150 PSI and 200 PSI low water cutoff systems.
Lists parts for Warrick 3C-2 and MDM 150S-B-M auxiliary low water cutoff models.
Lists various steam pressure controls, gauges, and transmitters with their part numbers.
Lists hot water temperature controls, including modulating, limit, and sensors.
Lists parts for the rear head assembly, including insulation, gaskets, and davit arm components.
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