Instruction/ maintenance manual of the product 18-26 HP (Hewlett-Packard)
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1 C OMMAND 18-26 HP O WNER ' S M ANUAL H ORIZONT AL C RANKSHAFT.
2 Explosive Fuel can cause fires and severe burns. Stop engine before filling fuel tank. W ARNING Explosive Fuel! Gasoline is extremely flammable and its vapors can explode if ignited. Store gasoline only in approved containers, in well ventilated, unoccupied buildings, away from sparks or flames.
3 Safety Precautions (Cont.) Accidental Starts can cause severe injury or death. Disconnect and ground spark plug leads before servicing. W ARNING Carbon Monoxide can cause severe nausea, fainting or death. Do not operate engine in closed or confined area.
4 Figure 1. T ypical Command Horizontal Shaft Engine (CH18-25). Figure 2. CH26 Command Horizontal Shaft Engine. Air Cleaner Oil Fill Rectifier-Regulator Throttle Body Intake Manifold Ignition Coil Fue.
5 Fuel Recommendations W ARNING: Ex p losive Fuel! Gasoline is extremely flammable and its vapors can explode if ignited. Store gasoline only in approved containers, in well ventilated, unoccupied buildings, away from sparks or flames.
6 Engine Identification Numbers When ordering parts, or in any communication involving an engine, always give the Model, Specification, and Serial Numbers of the engine. The engine identification numbers appear on a decal (or decals) affixed to the engine shrouding.
7 4. For a Warm Engine – Return choke to “off” position as soon as engine starts. Stopping 1. Remove the load by disengaging all PTO driven attachments. 2. For CH18-25 Engines Without A Shutdown Solenoid: Move the throttle to the “slow” or “low” idle position.
8 • Replace fuel filter 1 (CH26 engines). Daily or Before Starting Engine Maintenance Required Frequency • Fill fuel tank. • Check oil level. • Check air cleaner for dirty 1 , loose, or damaged parts. • Check air intake and cooling areas, clean as necessary 1 .
9 Figure 7. Oil Level Dipstick. 5. If the level is low , add oil of the proper type, up to the “F” mark on the dipstick. (Refer to “Oil T ype” on page 5.) Always check the level with the dipstick before adding more oil. NOTE: T o prevent extensive engine wear or damage, always maintain the proper oil level in the crankcase.
10 Change Oil Filter Replace the oil filter at least every other oil change (every 200 hours of operation). Always use a genuine Kohler oil filter , Part No. 12 050 01. Replace the oil filter as follows: 1. Drain the oil from the engine crankcase. 2. Allow the oil filter to drain.
11 47 083 03 65 mm deep x 178 mm O.D. 24 083 03 74 mm deep x 178 mm O.D. 7. When precleaner replacement is necessary , order genuine Kohler parts. 24 083 02 61 mm deep x 173 mm O.
12 Figure 1 1. Servicing Spark Plug. 4. Reinstall the spark plug into the cylinder head. T orque the spark plug to 24.4/29.8 N·m (18/22 ft. lb.) . Battery Charging W ARNING: Explosive Gas! Batteries produce explosive hydrogen gas while being charged.
13 • Make sure the air cleaner element is clean and all air cleaner element components are fastened securely . If, after checking the items listed above, the engine is hard to start, runs roughly , or stalls at low idle speed, it may be necessary to adjust or service the carburetor .
14 CH26 Electronic Fuel Injection (EFI) System The EFI system is a complete, electronically controlled fuel management system, designed to deliver a precisely controlled fuel flow under all operating conditions.
15 Parts Ordering The engine Specification, Model, and Serial Numbers are required when ordering replacement parts from your Kohler Engine Service Dealer . These numbers are found on the identification plate which is affixed to the engine shrouding. Include letter suffixes if there are any .
16 LIMITED 2 YEAR COMMAND ENGINE W ARRANTY We warrant to the original consumer that each new COMMAND engine sold by us will be free from manufacturing defects in materials or workmanship in normal service for a period of two (2) years from date of purchase, provided it is operated and maintained in accordance with Kohler Co.
17 KOHLER CO. FEDERAL AND CALIFORNIA EMISSION CONTROL SYSTEMS LIMITED W ARRANTY UTILITY AND LA WN AND GARDEN ENGINES The U.S. Environmental Protection Agency (EP A), the California Air Resources Board (CARB), and Kohler Co.
18 LIMIT A TIONS This Emission Control Systems Warranty shall not cover any of the following: ( a ) repair or replacement required because of misuse or neglect, improper maintenance, repairs improperly performed or replacements not conforming to Kohler Co.
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ENGINE DIVISION, KOHLER CO., KOHLER, WISCONSIN 53044 LITHO IN U.S.A. FORM NO.: TP-2474-E ISSUED: 12/94 REVISED: 5/99 MAILED: FOR SALES AND SERVICE INFORMA TION IN U.
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