Kohler 3.5CFZ, 4CZ, 5CFZ, 6.5CZ installation manual BPR4HS NGK

Page 19

Engine (Continued)

	3.5CFZ/4CZ		5CFZ/6.5CZ
Spark Plug Type	Resistor, Radio		Suppression, 14 mm
		BPR4HS (NGK)
	Kohler Part Number L92YC (Champion)
		R43CFS (AC-Delco)
Spark Plug Gap--in. (mm)		0.028--0.031 (0.7--0.8)
Spark Plug Tightening Torque--		15--22 (20--30)
ft. lbs. (Nm)
Ignition System	Transistorized, Breakerless
Starter Motor		Bendix Automotive Type
Cooling System	Water-Cooled, Closed/Heat Exchanger
Cooling System Capacity--U.S. qts. (L)		1.10 (1.00)
Coolant Recovery Tank--U.S. qts. (L)		0.38 (0.35)
Thermostat		180 °F (82°C)
Pressure Cap Rating		15 psi (103 kPa)
Engine Firing Order		1--2
Ignition Timing B.T.D.C.		24°± 2 degrees
Exhaust Manifold to Cylinder		16 ft. lbs. (22 Nm)
Head Torque
Water Pump Assembly to		7 ft. lbs. (10 Nm)
Cylinder Block Torque
Cooling Fan Torque		16 ft. lbs. (22 Nm)
Air Cleaner Elbow to Carburetor		6 ft. lbs. (8.5 Nm)
Stud Torque
Timing Belt Cover Torque		6 ft. lbs. (8 Nm)
Governor Arm Shaft Nut Torque		7 ft. lbs. (10 Nm)
Governor Case to Cylinder Head		7 ft. lbs. (10 Nm)
Torque
Fuel Pump Pressure Rating	2.0--3.5 psi (13.8--24.1 kPa)
Battery Charging Winding		0.16--0.24 Ohms
Resistance--10 Amp
Ignition Coil Primary Wire		0.9--1.1 Ohms
Resistance
Ignition Coil Secondary		0.9--1.1 Ohms
(Spark Plug Wire Side) Resistance	(With Spark Plug Boot/Cap Removed)
Transistorized Ignition Air Gap	0.016 ±0.008 in. (0.4 ±0.2 mm)
Timing Belt Deflection	0.16--0.20 in. (4.5 mm) @ 4.4 lbs. (2 kg)

1-4 Specifications

TP-5695 12/93

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Contents 5CZ Marine Generator SetsModels 5CFZCalifornia Proposition Table of Contents Safety Precautions and Instructions Carbon monoxide can cause severe nausea Carbon monoxide Can cause severe nausea, fainting, or deathSulfuric acid in batteries can cause severe injury or Sulfuric acid in batteries Can cause severe injury or deathExplosive fuel vapors can cause severe injury or Explosive fuel vapors Can cause severe injury or deathFlying projectiles can cause severe injury or death Accidental starting Can cause severe injury or deathAccidental starting can cause severe injury or Rotating parts Can cause severe injury or deathHazardous noise Can cause loss of hearing Fire Can cause severe injury or deathSudden backfire can cause severe injury or death Sudden flash fire can cause severe injury or death246242 Pleasure Craft Reference MaterialAdditional References Commercial VesselsPart Description Kohler Part No Routine Service PartsAbbreviation Description Glossary of AbbreviationsNEC Introduction SpecificationsSpecifications General Specifications5CFZ/4CZ 5CFZ/6.5CZ GeneratorGX360EV EngineBPR4HS NGK Accessories Service Views typical Service ViewsPrestart Checks OperationController ControllerStopping StartingCircuit Protection Engine Safety Shutdown SwitchesHigh Water Temperature Shutdown Switch Remote Panels Optional Remote Panel FeaturesRemote Start and Four-Meter Panel Kit Remote Start and Four-Meter FeaturesScheduled Maintenance Or 2 Years Service ScheduleGenerator Lubrication System SpecificationsOil Change/Oil Filter Change Adding OilRemoving Oil Filter Fuel SystemFuel Pump Screen Fuel Pump ScreenCarburetor/Choke Lubrication Carburetor AdjustmentsIgnition System Ignition System ServiceSpark Plugs Carbon fouled Problem Means of Identification Possible Cause NormalGap bridged Oil 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 17. Removing Anticorrosion Zinc Anticorrosion ZincServicing Mixing Elbow Air Cleaner Mixing ElbowServicing Air Cleaner Pressure CapChecking Specific Gravity BatteryCleaning Checking Electrolyte LevelCharging 21. Specific Gravity Temperature CorrectionValve Adjustment 22. Determining Top Dead Center Governor Governor AdjustmentLubrication Wattage Requirements Generator ServiceGeneral Storage Procedure Not start TroubleshootingEngine Unit cranks but willLacks power Problem Possible Cause Corrective Action Stops suddenlyOperates erratically Electrical System Generator Schematic Wiring Diagram--3.5CFZ, 4CZ, 5CFZ, and 6.5CZ Wiring Diagrams4CZ DiagramsTo Generator To Shore Set Power Wire Generator SetsTo Load 60 Hz LO Neutral GroundLoad Side Line SideWithout Jumper Lead L1--L3Page Generator Selection and Wattage Requirements InstallationMotor Loads Kilowatt Derating Appliance LoadsTypical Location and Mounting Air Requirements CFM L/min Model Combustion Cooling LocationVentilationSpace MountingFuel Supply Fuel SystemsMax. Lift ft. m In. mm Anti-Siphon ProvisionsFuel Lines Fuel Pump Lift Capabilities Fuel Consumption11. Intake Strainer Cooling Systems13. Seawater Strainer Closed/Heat Exchanger15. Closed/Heat Exchanger Cooling System Exhaust SystemsCarbon monoxide 17. Typical Above Waterline InstallationMid/Below Waterline Above WaterlineElectrical Systems Installation in Steel or Aluminum VesselsAC Voltage Connections Wiring BatteryLead Designations Pin Function Remote Start Switch ConnectionSection Dimension Drawing--3.5CFZ, 4CZ, 5CFZ, and 6.5CZStandard on 5CFZ and 6.5CZ Sound Shield--Optional on 3.5CFZ and 4CZParts Ordering Instructions For Sales & Service in U.S.A. & Canada PhoneOperating Hour Service Log Kohler CO. KOHLER, Wisconsin 53044 Phone