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California Proposition 65 WARNING Engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Safety Precautions and Instructions A generator set, like any other electro-mechanical device, can pose potential dangers to life and limb if CAUTION improperly maintained or imprudently operated. The best way to prevent accidents is to be aware of the potential dangers and to always use good common Caution is used to indicate the presence of a hazard that sense.
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EXHAUST SYSTEM ACCIDENTAL STARTING WARNING WARNING Accidental starting. Can cause severe injury or death. Carbon monoxide. Disconnect battery cables before working on Can cause severe nausea, fainting, or death. generator set (negative lead first and reconnect it last). The exhaust system must be leakproof and routinely inspected.
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MOVING PARTS ENGINE BACKFIRE/FLASH FIRE WARNING WARNING Hazardous voltage. Moving rotor. Fire. Can cause severe injury or death. Can cause severe injury or death. Do not operate generator set without all guards Do not smoke or permit flame or spark to occur and electrical enclosures in place.
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HAZARDOUS VOLTAGE/ Hazardous voltage can cause severe injury or death. The heat sink of the voltage regulator contains ELECTRICAL SHOCK high voltage. Do not touch voltage regulator heat sink when testing or electrical shock will occur. WARNING Hazardous voltage can cause severe injury or death.
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FUEL SYSTEM Explosive fuel vapors can cause severe injury or death. Additional precautions must be taken when using the following fuels: Gasoline— Store gasoline only in approved red containers clearly marked GASOLINE. Do not store gasoline in any occupied building. WARNING Propane (LP)—...
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BATTERY HAZARDOUS NOISE WARNING CAUTION Sulfuric acid in batteries. Hazardous noise. Can cause severe injury or death. Can cause loss of hearing. Never operate generator without a muffler or with Use protective goggles and clothes. Can cause faulty exhaust system. permanent damage to eyes, burn skin, and eat holes in clothing.
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Consult an Fire can cause severe injury or death. Hot exhaust Authorized Kohler Service Dealer for further fuel system system can ignite adjacent combustible materials. Do installation information. not locate electrical wiring, fuel lines, or combustible NOTE material above the exhaust muffler.
Routine Service Parts Contact your Kohler generator dealer/distributor for a complete listing of service parts for your generator set. Part Description Kohler Part No. Engine: Air Filter 278612 Oil Filter 52 050 02 Fuel Filter: 1/4 in. inlet 228269 Fuel Filter: 5/16 in. inlet...
Section 1. Specifications Introduction Your vehicle is equipped with a dependable Kohler SPECIFICATION, SERIAL and ENGINE SPEC. alternating-current generator set. Service numbers as found on the nameplate attached to the requirements of the generator set are minimal but it is controller of the generator (see “...
Engine Some general engine specifications are listed below. Refer to the appropriate service section and the engine service manual for specific service details. 4CKM/CFKM/ 5CKM/ 4CKMR/CFKMR 5CKMR Manufacturer Kohler Model Cycle Number Cylinders Compression Ratio 6.0:1 6.6:1 Displacement— cu.in. (L) 42.18 (0.69)
Glossary of Abbreviations Abbreviations are used throughout this manual. etc. etcetera, (and so forth) Normally in the text they will appear in complete form ext. external with the abbreviation following in parenthesis the first ° F Fahrenheit degree time they are used. After that they will appear in the fl.
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meter, meters overspeed, oversize cubic meter, cubic meters overvoltage max. maximum ounce, ounces one thousand circular mils. power factor mile, miles pot. potentiometer one one-thousandth of an inch parts per million min. minimum pounds per square inch millijoule, millijoules pt., pts. pint, pints mega joule, mega joules qt., qts.
Controller The Kohler relay controller has a rocker-type momentary contact START-STOP switch for operating the set at the controller. Also included is a connector for attaching a remote start/stop switch located inside the vehicle. See Figure 1-1. The green GENERATOR ON lamp on the optional remote control panel will light whenever the generator is running.
Section 2. Operation Automatic De-Icing To insure continued satisfactory operation, the following items should be checked before each start-up. (For Gasoline Models Only) The automatic de-icing module, mounted between the carburetor air horn and air cleaner, warms the incoming Prestart Checklist air to reduce moisture from being introduced into the fuel system.
Circuit Protection Voltage Regulator Fuse (5 Amp)— Indicates a fault in the voltage regulator and/or generator circuit. After fault is corrected, replace fuse. Voltage regulator circuit is AC Circuit Breaker(s)— will trip when a fault is detected now functional. output circuit.
Check compression Replace fuel filter * Applies to 5 kW ** Applies to 4 kW *** Performed at an authorized Kohler service dealer/distributor NOTE Unleaded gasoline is recommended. If leaded gasoline is used, service cylinder heads every 250 hours. TP-5393 9/93...
Lubrication System Oil Check Check crankcase oil level daily or before each start. To Your engine has a positive pressure lubrication system check oil level, remove oil cap/dipstick assembly and and low oil pressure shutdown. wipe dipstick clean (see Figure 3-3). Reposition dipstick in crankcase and push it all the way down into Low Oil Pressure Shutdown...
SAE service class SF are recommended for use in the of operation and thereafter at 100 hour intervals or 12 Kohler M18 & M20 engines. Straight weight 30 oil is months, whichever occurs first, on the 4 kW, and 50 preferred.
Cooling System To prevent damage to the generator set from engine of the generator set features an Air-Vacä overheating, keep the cooling air inlets to the reverse flow cooling system. Fins on the engine compartment clean and unobstructed at all times. flywheel pull cooling air past the fins of the cylinder heads and heated air is discharged downward and out A fan on the rotor of the generator draws cooling air into...
Ignition System Electronic Magneto Ignition System Operation The 4 and 5 kW generator sets are equipped with a As the flywheel rotates and the magnet assembly dependable electronic magneto ignition system moves past the ignition module, a low voltage is induced (Figure 3-6) containing the following: in the primary windings of the module.
Gasoline Fuel System Spark Plugs Every 100 hours remove both spark plugs and check condition (see Figure 3-7). Reset gap or replace plug if Specification— Gasoline needed. Proper generator operation is indicated by a light deposit of gray or tan material on plug electrodes. A For best results, use only clean fresh, regular grade dead white,...
Replacement of the in-line gasoline-type fuel filter must be of a metal encased type. (Kohler Part No. 1-905 228269— 1/4 in. inlet or Kohler Part No. 227647— 5/16 Figure 3-9. Gasoline Fuel Filter in. inlet). TP-5393 9/93 Scheduled Maintenance 3-7...
Gasoline Carburetor Adjustments Main And Idle Fuel Mixture Lack of power and black sooty exhaust smoke usually indicate that the fuel mixture is too rich. An overrich 1. Stop the engine. Turn the main fuel and idle fuel mixture may be caused by a clogged air cleaner or adjusting needles in (clockwise) until they bottom improperly adjusted choke.
LP Gas Fuel System Specification— LP Liquid NOTE A hydrostatic relief valve is also required between the container shutoff valve and the automatic shutoff valve The LP gas liquid withdrawal fuel system utilizes a on the generator set. vaporizer and regulator to convert LP gas from a liquid to a gaseous state.
LP Carburetor Adjustments Main Fuel Mixture Fuel Valve and Filter— LP Liquid For preliminary setting turn the MAIN FUEL valve in a The LP fuel valve contains a replaceable filter which clockwise direction until it bottoms lightly (do not force), should be inspected yearly or after every 100 hours of then back out 1 turn.
Choke Adjustments Choke Adjustment Procedure A Kohler thermo-electric automatic choke is used to enrich the gasoline fuel mixture during starting. The For Operation above 10_ F (-12.2_ C) choke automatically closes as the ambient temperature (From original factory-set position) cools or as the engine temperature decreases. As the engine warms, the coils inside the choke allow the choke 1.
Replacement of the air filter must be of a flame proof, blow out with compressed air as this will ruin filter self-extinguishing material (Kohler Part No. 278612). material in element. Service air cleaner after each 50 hours of operation. If dirty, bent, or damaged replace element with genuine Kohler replacement.
Battery If generator set is equipped with a battery charging WARNING feature, refer to the following section for general maintenance. Use a 12-volt battery with a rating of at Sulfuric acid in batteries. least 290 Cold Cranking Amps/90 Amp Hr. When using Can cause severe injury or death.
Cleaning Correction ° ° 71.1 + .032 Keep battery clean by wiping it with a damp cloth. Keep + .030 65.6 + .028 all electrical connections dry and tight. If corrosion is EXAMPLE NO. 1— + .026 present, disconnect cables from battery and remove °...
Sequence 3. If clearance is too small, or too large, remove 1. Use new gaskets when reinstalling heads. generator set and take to an authorized Kohler 2. Tightening sequence service dealer. 3. Tighten head bolts to 15-20 ft. lbs. (20-27 Nm.)
Wattage Requirements If the rated capacity of your generator is exceeded, the Motor circuit breaker(s) located in the controller will trip to Starting Running protect the generator against damage. This could be Construction Tools Watts Watts caused by a short in the AC circuit in your vehicle or Air Compressor (Small) 1500 simply by having too many appliances on at the same...
Generator Service General blow dust out of the generator at frequent intervals. Do this with the generator set operating and direct the Under normal conditions, generator service will not be stream of air in through the cooling slots at the end of the required on a regular basis.
Replace or regap spark plugs Carburetor adjustment wrong Adjust Have unit serviced by an authorized Carbon build--up Kohler service dealer/distributor Have unit serviced by an authorized Governor not properly adjusted or defective Kohler service dealer/distributor Operates erratically Air cleaner clogged...
Section 5. Wiring Diagrams Use the following table to locate the proper wiring nameplate attached to the controller cover of the unit to diagram for your specific application. Refer to the obtain the specification number. Wiring Specification Diagram Figure Voltage Fuel Phase Number...
When a generator set is reconnected to a voltage different than nameplate voltage, notice should be placed on the unit indicating this change. A decal (part no. 246242) is available for this purpose from authorized Kohler dealers. 120-Volt (or 110-Volt) 1. L0 (Neutral) Configurations— Figure 5-1 and 2.
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120/240-Volt (or 110/220-Volt) Configurations— Figure 5-3 (View C) Jumper lead not used. If unit was originally wired for straight 120 volt (or 110 volt), 3 wire, be sure jumper lead is removed (see Figure 5-1 for location). Circuit breaker MUST be a circuit breaker manufacturer two-pole circuit breaker.
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WARNING WARNING Accidental starting. Can cause severe injury or death. Hazardous voltage. Moving rotor. Disconnect battery cables before working on generator set (negative lead first and reconnect it Can cause severe injury or death. last). Do not operate generator set without all guards and electrical enclosures in place.
Use this section as a guide when installing a generator set in the recreational vehicle, then refer to the Operation section for specific service instructions. This section covers the RV and Mobile Kohler generator When installing an RV/Mobile generator set, the set installation. To determine which model is involved,...
Generator Selection And Wattage Requirements Electrical Load Total wattage requirements (lights, motors, appliances) must be considered in selecting a generator set, or sizing wattage requirements when available space and While the electrical load of the vehicle should have been construction may limit the size of the generator set. calculated prior to purchase of the generator set, you Refer to the following when figuring wattage may want to recheck the load before installing the set to...
Air conditioning units are perhaps the most common specific information regarding simultaneous starting of type of motor load for generator sets in recreational two or more motors, contact Kohler Co., Generator vehicles. The starting characteristics of the different Division— Product Applications.
4/5CKM-RV Generator Set Mounting (For mobile unit mounting see page 6-9) Compartment Size When designing the compartment, allow sufficient room for the set to be easily removed when major service is When planning compartment size requirements, allow required. See Figure 6-6. Also keep in mind that the the minimum clearances for cooling of the generator set compartment door must have air intake openings as shown in Figure 6-5.
Air Requirements To prevent damage to the generator set from overheating, make sure the compartment openings are large enough to A fan on the rotor of the generator draws cooling air into allow adequate circulation or cooling air. The minimum the compartment through the generator cooling slots free-air opening in the compartment is 85 sq.
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1. Generator end 5. 1.22 in. 2. 5° 6. Compartment floor 3. End wall 7. Mounting tray must not cover any portion of air inlet/outlet 4. Air inlet at floor or end wall openings. Figure 6-8. Floor or End Wall Air Inlets Remember, louvers, screens,...
The generator set may be mounted by securing the generator tray directly to the compartment floor. If floor mounting is undesirable or impractical, a full-length tray is available through your Kohler generator dealer. This tray permits slide tray installation as shown in Hot engine and exhaust system.
4/5CKMR-Mobile Generator Set Mounting Following are three different methods for installing the Fire can cause severe injury or death. Hot exhaust Kohler mobile generator set. They include compartment system can ignite adjacent combustible materials. Do mount, below-floor mount, and vehicle-floor mount.
If floor mounting is undesirable or impractical, a full-length tray NOTE is available through your Kohler generator dealer. This To avoid the possibility of igniting combustible material tray permits slide tray installation as shown in beneath the vehicle, the mounting tray or fireproof floor Figure 6-12.
In a below-floor installation, the generator set is mounted in an enclosure below the floor of the vehicle. NOTE Kohler offers a kit for below-floor installation. The kit includes specific installation instructions. NOTE In a below-floor installation, the vehicle must be able to support the weight of the generator set and enclosure.
Vehicle-floor Mount NOTE Customer must provide the adapter and flexible Kohler’ s mobile generator set can also be installed on coupling for the extended-shaft option. an open vehicle’ s floor, or truck bed. Follow the same guidelines as described in the compartment mount Figure 6-14 shows a Kohler mobile generator set section.
Air Requirements To prevent damage to the generator set from overheating, make sure the compartment openings are A fan on the rotor of the generator draws cooling air into large enough to allow adequate circualtion or cooling air. the compartment through the generator cooling slots The minimum free-air opening in the compartment is 85 and expels it at the engine-generator adapter.
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1. Generator end 5. 1.22 in. 2. 5° 6. Compartment floor 3. End wall 7. Mounting tray must not cover any portion of air inlet/outlet 4. Air inlet at floor or end wall openings. Figure 6-17. Floor or End Wall Air Inlets If the air-intake opening is located in the compartment floor or end wall, a space must remain between the generator end and the compartment air opening.
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Note: For C.S.A. approval, the 2.50 inch diameter hole must have a minimum clearance of 3.00 inches from the exhaust pipe. L--5675 Figure 6-19. Floor Template— 4 & 5CKM/CKMR Standard Tray TP-5393 9/93 Installation 6-15...
With this arrangement tube arrangement for fuel supply. Consult an authorized fuel may not be available to the generator set when fuel Kohler service dealer for further fuel system installation supply is low. information.
LP Gas Fuel System Use a flexible hose designated for use with LP gas between the generator set and main tank. Care must be WARNING taken when routing the fuel line. A two inch minimum clearance is required between the fuel line and any bare Explosive fuel vapors.
Make sure exhaust-system components are positioned NOTE well away from the drain opening in the bottom of the Kohler also offers a below-the-floor mounting kit which mounting tray. Also make sure the components are not includes complete assembly instructions. blocking access to the oil-drain plug.
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MUFFLER MTG. (RIGHT SIDE)— KIT# PA-278639 Screw (X-6217-1) Use hole in Screw (X-6217-1) qty. 2 - muffler mtg. bracket (4kW) - oil tank bracket (5kW) to mount muffler hanger. Exhaust Gasket (278320) Exhaust Adapter (278766) Muffler Mounting Drill Screw (X-794-3) Muffler Clamp Bracket (278772) (X-722-8)
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EXTENDED MUFFLER MTG. (RIGHT SIDE)— KIT# PA-227435 Screw (X-6217-1) Use hole in Screw (X-6217-1) qty. 2 - muffler mtg. bracket (4kW) - oil tank bracket (5kW) to mount muffler hanger. Exhaust Gasket (278320) Exhaust Adapter Muffler Mounting (227434) Bracket (227433) Drill Screw Muffler Clamp (X-794-3)
Electrical Systems Battery, load lead, and remote switch panel connections drippage of fuel, oil, or grease— at least 2” (51 mm) are needed to complete the installation. Make final clearance must be provided between electrical wiring connections to the battery only after all other and hot exhaust parts.
Battery And Connections If the starting battery for the vehicle engine must also be used for starting the generator engine, the negative WARNING battery terminal must be grounded to the vehicle frame and heavy gauge (#4) ground strap must connect the Sulfuric acid in batteries.
AC Load Lead Connections The AC load lead L0 (white) is always the neutral lead on Kohler generator sets— make sure the neutral of the AC Each set has four color-coded load leads and a circuit in the vehicle is connected to lead L0 (white). If...
Remote Switch Connection WARNING Kohler offers a remote switch panel for mounting on the dashboard or elsewhere in the vehicle. It measures 2 in. x 4 in. (51 mm x 103 mm) and requires a cutout of 1 3/4 in. x 3 1/4 in. (44 mm x 83 mm). The panel includes start-stop switch, generator ON light, and a digital Hazardous voltage.
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Remote Switch Assembly Digital Hourmeter PAA-239419 Remote Switch Harness Part No. Length Connectors PA-278682 3 Ft. 6-Pin, In-line male plug PA-278681 1 Ft. Pigtail Leads PA-278728 30 Ft. Both Ends PA-278729 40 Ft. Both Ends PA-278730 15 Ft. Both Ends 1.
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Red · Hot Green · Ground NOTE: Black · Start Part numbers of wiring harnesses White · Stop are subject to change. TT-798 Figure 6-29. Available Wiring Harnesses Part No. Type Cable Length PA-239412 30 ft. (914 cm) PA-239413 40 ft.(1219 cm) PA-239414 15 ft.
Phone 1-800-544-2444 All information found in this publication is based on data available at the time of printing. Kohler Co. reserves the right to make changes to this literature and the products represented at any time without notice and without incurrring obligation.
Section 9. Operating Hour Service Log The following is provided to help you keep a cumulative dates required services were performed. Enter hours to record of operating hours on your generator set and the the nearest quarter hour. OPERATING HOURS SERVICE RECORD HOURS RUN CUMULATIVE...
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TP-5393 9/93 KOHLER CO., KOHLER, WISCONSIN 53044 PHONE 414-565-3381 PRINTED IN U.S.A. FAX 414-459-1646 (North American Sales), 414-459-1614 (International) FOR SALES & SERVICE IN U.S.A. & CANADA PHONE 1-800-544-2444...
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