Kohler 3.5CFZ, 4CZ, 5CFZ, 6.5CZ installation manual 246242

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NOTES

NOTE

HARDWARE DAMAGE! Engine and generator may make use of both American Standard and metric hardware. Be sure to use the correct size tools to prevent rounding of bolt heads and nuts.

NOTE

Special attention should be given when checking for proper coolant level. After the coolant has been drained, it normally requires some time before complete refill of the engine water jacket takes place.

NOTE

When replacing hardware, do not substitute with inferior grade hardware. Screws and nuts are available in different hardness ratings. American Standard hardware uses a series of markings and metric hardware uses a numeric system to indicate hardness. Check markings on bolt head and nuts for proper identification.

NOTE

When a fuse replacement is required, be sure fuse has the same ampere rating and is the same type (for example: ABC or 3AB, ceramic). Do not substitute “clear” glass-type fuses for ceramic fuses. If ampere rating is unknown or questionable, see Wiring Diagram.

NOTE

High-mineral content sea water (salt water) can cause rapid destruction of all metals. Wipe up all salt water spillage on and around generator set and keep metal surfaces free from accumulated salt deposits.

NOTICE

This generator set has been rewired from its nameplate voltage to:

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NOTICE

This is a positive terminal only.

Do not attach negative lead!

NOTICE

Check zinc anode every 100 hours or 3 months.

NOTICE

Do not use as a step.

Standing on genset could impair operation of unit.

NOTE

Split lock washers may be supplied with some kits. If split lock washers are supplied with kit, their use is optional.

TP-5695 12/93

Safety Precautions and Instructions vii

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Contents 5CFZ Marine Generator SetsModels 5CZCalifornia Proposition Table of Contents Safety Precautions and Instructions Carbon monoxide Can cause severe nausea, fainting, or death Carbon monoxide can cause severe nauseaSulfuric acid in batteries Can cause severe injury or death Sulfuric acid in batteries can cause severe injury orExplosive fuel vapors Can cause severe injury or death Explosive fuel vapors can cause severe injury orRotating parts Can cause severe injury or death Accidental starting Can cause severe injury or deathAccidental starting can cause severe injury or Flying projectiles can cause severe injury or deathSudden flash fire can cause severe injury or death Fire Can cause severe injury or deathSudden backfire can cause severe injury or death Hazardous noise Can cause loss of hearing246242 Reference Material Pleasure CraftCommercial Vessels Additional ReferencesRoutine Service Parts Part Description Kohler Part NoGlossary of Abbreviations Abbreviation DescriptionNEC General Specifications SpecificationsSpecifications IntroductionGenerator 5CFZ/4CZ 5CFZ/6.5CZEngine GX360EVBPR4HS NGK Accessories Service Views Service Views typicalOperation Prestart ChecksController ControllerStarting StoppingEngine Safety Shutdown Switches Circuit ProtectionHigh Water Temperature Shutdown Switch Remote Panel Features Remote Panels OptionalRemote Start and Four-Meter Features Remote Start and Four-Meter Panel KitScheduled Maintenance Service Schedule Or 2 YearsGenerator Specifications Lubrication SystemAdding Oil Oil Change/Oil Filter ChangeFuel System Removing Oil FilterFuel Pump Screen Fuel Pump ScreenCarburetor Adjustments Carburetor/Choke LubricationIgnition System Ignition System ServiceSpark Plugs Oil fouled Problem Means of Identification Possible Cause NormalGap bridged Carbon fouled12. Checking Spark Plug Gap Filling and Checking Cooling Systems- Closed/Heat ExchangerHot coolant and steam Can cause severe injury or death 14. Air-Bleed Screw Flushing and Cleaning TP-5695 12/93 Scheduled Maintenance Anticorrosion Zinc 17. Removing Anticorrosion ZincPressure Cap Air Cleaner Mixing ElbowServicing Air Cleaner Servicing Mixing ElbowChecking Electrolyte Level BatteryCleaning Checking Specific Gravity21. Specific Gravity Temperature Correction ChargingValve Adjustment 22. Determining Top Dead Center Governor Governor AdjustmentLubrication Wattage Requirements Generator ServiceGeneral Storage Procedure Unit cranks but will TroubleshootingEngine Not startLacks power Problem Possible Cause Corrective Action Stops suddenlyOperates erratically Electrical System Generator Wiring Diagrams Schematic Wiring Diagram--3.5CFZ, 4CZ, 5CFZ, and 6.5CZDiagrams 4CZTo Generator To Shore Set Power Wire Generator SetsTo Load Line Side LO Neutral GroundLoad Side 60 HzL1--L3 Without Jumper LeadPage Generator Selection and Wattage Requirements InstallationMotor Loads Appliance Loads Kilowatt DeratingTypical Location and Mounting Mounting LocationVentilationSpace Air Requirements CFM L/min Model Combustion CoolingFuel Systems Fuel SupplyFuel Pump Lift Capabilities Fuel Consumption Anti-Siphon ProvisionsFuel Lines Max. Lift ft. m In. mmCooling Systems 11. Intake StrainerClosed/Heat Exchanger 13. Seawater StrainerExhaust Systems 15. Closed/Heat Exchanger Cooling System17. Typical Above Waterline Installation Carbon monoxideAbove Waterline Mid/Below WaterlineElectrical Systems Installation in Steel or Aluminum VesselsAC Voltage Connections Battery WiringRemote Start Switch Connection Lead Designations Pin FunctionDimension Drawing--3.5CFZ, 4CZ, 5CFZ, and 6.5CZ SectionSound Shield--Optional on 3.5CFZ and 4CZ Standard on 5CFZ and 6.5CZFor Sales & Service in U.S.A. & Canada Phone Parts Ordering InstructionsOperating Hour Service Log Kohler CO. KOHLER, Wisconsin 53044 Phone