Honeywell HW3000, hw400 service manual Engine Diagnostics ALL Models

Page 42

ENGINE DIAGNOSTICS (ALL MODELS)

8.3 ENGINE DIAGNOSTICS (ALL MODELS)

Engine Fails to Start

Check Oil Level

Check Fuel Level

Check Fuel Shut-off Valve Open

Confirm Choke in On Position

Check Spark Plug

Dry Spark Plug =

Check Carburetor

Fuel Cutout Solenoid

Wet Spark Plug =

Check Ignition System

Check Spark Plug Gap

Plug Condition Good =

Re-Gap Spark Plug

Plug Condition Dirty or Worn =

Replace Spark Plug

Check Ignition for Spark

Bright Blue Spark =

Reinstall Plug

Dull Spark =

Pull Coil & Check Resistance

Primary Coil = 0.8-1.0 Ohms

Secondary Coil = 5.9-7.1 Ohms

(measure at spark plug lead)

Replace Coil, if Necessary

Reinstall Coil with Proper

Coil / Flywheel Air Gap

Reinstall Plug

Drain Oil and

Check Low Oil Switch

Connection and Continuity

(Yellow Wire on Side of Engine)

Check Flywheel Woodruff Key

Repair or Replace Key

Perform Engine Compression Test

Engine Fails to Crank Using Electric Starter

Check Recoil for

Mechanical Binding

Check Battery Voltage

Higher than 12.5 Volts = Check Voltage Across Components

Less than 12.5 Volts = Charge or Replace Battery

Check Voltage Across Components

Check Battery Connections

Check Leads on Proper Post Check Leads are Clean & Tight

Check Voltage Across Components

are Within .5V of Battery Voltage

Replace Out of Spec Components

Check Engine Control Switch

Voltage

Drop in Start Position

Check Battery Post / Solenoid

Voltage Drop

Check Battery Post / Starter Lugs

Voltage Drop

NOTE: Generator has Charging Coil During Operation; Replace Coil if Repeated Battery Discharge

Engine Speed Unstable

Check Spark Plug & Gap

Check Ignition for Spark

Adjust Coil Air Gap

Check Spark Arrestor

Check Muffler Blockage

Check Governor

Frequency = 60 Hz + 3

Check Governor Assembly

Adjustment

Engine Starts

Then Shuts Down

Check Fuel Level

Check Fuel Quality

Confirm Choke in Off Position

Check Oil Level

Check Ignition for Spark

Check Spark Plug & Gap

Adjust Coil Air Gap

Check Fuel Line & Blockage

Check Carburetor

Check Spark Arrestor

Check Muffler Blockage

Engine Smokes

Start Engine

Warm to Operating Temperature

Observe Smoke Color

White Smoke =

Poor Fuel Quality

Black Smoke =

Check Choke Operation

Check Ignition System

Blue Smoke =

Check Oil in Fuel

Check Oil Overfilled

Check Worn Piston Rings

Perform Engine Compression Test

Engine Runs Rough

Check Fuel Level

Check Fuel Quality

Confirm Choke in Off Position

Check Air Cleaner

Check Ignition for Spark

Check Spark Plug & Gap

Check Fuel Line & Blockage

Check Carburetor

Check Spark Arrestor

Check Muffler Blockage

Check Valve Adjustment

Perform Engine Compression Test

Recoil Not Operating

Recoil Locked =

Disassemble and Repair Recoil

(see Manual Section

“Recoil Starter”)

Check Recoil for

Mechanical Binding

Rope Not Retracting = Disassemble and Repair Broken Ratchets or Springs (see Manual Section “Recoil Starter”)

8-10

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Honeywell Portable Electrical Generator Service Manual

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Contents Read and Save These Instructions Page Contents This page Intentionally Left Blank Important Safety Instructions Safety MessagesArds Safety Messages Electric Shock HazardsNorthshore Power Systems Consumer Limited Warranty WarrantiesWarranty Statement WarrantiesQuestions Northshore Power Systems Replacement Parts Limited Warranty Specifications and Wiring Diagrams SpecificationsBolt and Fastener Torque Information Bolt and Fastener Torque InformationWiring Diagrams Wiring DiagramsHW4000 & HW4000L HW5500 & HW5500L HW5500E & HW5500EL HW6200 & HW6200L HW7000E, HW7000EL, HW7500E, & HW7500EL Components This page Intentionally Left Blank Preparing for Service Required ToolsTransporting Generator This page Intentionally Left Blank Service Repair Time Analysis & Flat Rate Schedule OperationService Repair Time Analysis MiscMaintenance Consumer Maintenance ScheduleConsumer Maintenance Schedule AIR Filter Maintenance AIR Filter MaintenanceTer more frequently Coat the air filter with clean engine oil Remove foam air filtersSqueeze out excess oil Cleaning Fuel Sediment CUP Cleaning Fuel Sediment CUPSpark Plug Service Cleaning Spark Arrestor Screen Cleaning Spark Arrestor ScreenGovernor Adjustment Valve LashValve Lash Xtreme Battery ServiceBattery Service Yuasa 12N14-3ATroubleshooting Electrical Diagnostics HW3000/L Models Electrical Diagnostics HW3000/L ModelsAlternator Refer to Illustrations on Brush Assembly Electrical Diagnostics ALL Models Except HW3000/L Electrical Diagnostics ALL Models Except HW3000/L7000 Refer to Illustrations on AVR TAP Engine Diagnostics ALL Models Engine Diagnostics ALL ModelsService and Disassembly Control PanelNm 3 lb. ft Engine and Alternator See WHEEL, LEG, & Handle ASSEMBLY,Engine and Alternator Cylinder Head Bolts 48 Nm 35 lb. ftAlternator AlternatorAlso known as Automatic Voltage Regulator or AVR Fuel Tank System Fuel Tank SystemEvaporative Emissions Control System Evaporative Emissions Control SystemNm 1.5 lb. ft Muffler MufflerCarburetor CarburetorStarter Solenoid Terminal Nut 6 Nm 4 lb. ft Starting SystemStarting System Check for continuityRecoil Starter Install with recoil starter handle position as shownRecoil Starter Check for wear or damageFAN Cover Remove and install with the recoil starter assemblyInstall with the recoil starter handle position as shown FAN CoverWHEEL, LEG, & Handle Assembly WHEEL, LEG, & Handle Assembly HW3000/L ModelsWHEEL, LEG, & Handle Assembly ALL Models Except HW3000/L 25 Nm 18 lb. ftIndex Northshore Power Systems, LLC

hw400, HW3000, L specifications

Honeywell is renowned for its innovative solutions in various domains, including manufacturing, aerospace, and building technologies. Among its many offerings, the Honeywell L, HW3000, and HW400 series stand out for their advanced features, technologies, and characteristics, tailored to meet the evolving demands of industries worldwide.

The Honeywell L Series is recognized for its versatility and reliability in process control applications. Designed to accommodate a range of industrial needs, these controllers provide enhanced flexibility with modifiable configurations that suit diverse operating conditions. With advanced user interfaces, intuitive programming options, and robust execution capabilities, they optimize performance while simplifying system maintenance.

The HW3000 series takes innovation a notch higher, featuring cutting-edge process automation technologies. It leverages advanced algorithms and communication protocols, facilitating seamless integration with existing systems and enhancing overall efficiency. This series is designed for high-performance operations, offering real-time data monitoring and control. The HW3000's modular architecture allows for easy upgrades and scalability, making it ideal for businesses planning for growth.

On the other hand, the Honeywell HW400 series is engineered for precision and reliability. It is equipped with state-of-the-art sensors and control mechanisms that ensure optimal performance in demanding environments. The HW400 model emphasizes sustainability, incorporating energy-efficient technologies that align with global initiatives for greener operations. Users benefit from advanced diagnostics and predictive maintenance capabilities, which minimize downtime and enhance productivity.

All three series—L, HW3000, and HW400—share a commitment to security and data integrity. Honeywell incorporates cybersecurity measures to protect sensitive information and facilitate secure communications. Moreover, they embrace a user-friendly design philosophy, ensuring that operators can easily interface with the systems, regardless of their technical background.

In summary, Honeywell's L, HW3000, and HW400 series highlight the company’s dedication to innovation, efficiency, and reliability. With advanced technologies and robust features, these products cater to a wide range of industrial applications, making them essential tools for businesses aiming to optimize their operations. Whether for process control, automation, or precision management, Honeywell continues to provide solutions that drive success in the modern industrial landscape.
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