Walker MC (20 HP) Owner's Manual

Also see for MC (20 HP): Illustrated parts manual

Contents

Walker MC (20 HP) Owner's Manual Manual pdf 27 page image

Assembly Instructions23PREOPERATING CHECKLISTBefore operating the mower for the first time, and asa routine before daily operations, it is important tomake sure the mower is properly prepared andready for operation. The following is a list of itemsto be checked. (For a mower with frequent opera-tion, some of these items will not need to be checkedevery day, but the operator should be aware of thecondition of each.)For proper fuels and lubricants refer to Specifications.FILL FUEL TANKFill the fuel tank using clean, fresh automotive gradeunleaded gasoline (87 octane rating minimum).DANGERHandle gasoline with care. Gasoline ishighly flammable and its vapors are explo-sive. Use safe refueling procedures:• DO NOT fill fuel tank with the engine run-ning.• If the engine is hot, allow to cool beforerefueling.• Use an approved fuel container.• Fuel the mower outdoors.• DO NOT smoke while refueling.• Avoid spilling fuel; use a funnel or spout.• DO NOT overfill the fuel tank; fill up toabout 1 in. (25 mm) below the top of tank.IMPORTANT: DO NOT permit dirt or other foreignmatter to enter the fuel tank. Wipe dirt from aroundthe filler cap before removing. Use a clean fuel stor-age container and funnel.IMPORTANT: DO NOT mix oil with gasoline. Al-ways use fresh, automotive grade gasoline. DONOT use premium, white, or high-test gasoline. DONOT use additives, such as carburetor cleaners, de-icers, or moisture removing agents. DO NOT usegasoline blended with methyl alcohol.CHECK ENGINE CRANKCASE OIL LEVELCheck the engine crankcase oil level before use andafter each 8 hours of continuous operation. Referto LUBRICATION for Checking Engine CrankcaseOil Level in Maintenance Instructions.CHECK AND SERVICE ENGINE AIR CLEAN-ER SYSTEM• Check air restriction gauge to make sure there isno red indication showing.• Check condition, cleanliness, and security of thecomplete air cleaner system (every 100 hours).For detailed procedures, refer to CLEANINGthe Engine Air Cleaner System in MaintenanceInstructions.CHECK ENGINE COOLING SYSTEMCheck that the engine cooling air intake screen isfree of obstruction by grass clippings or debris andclean if required. Also, cylinder head cooling finsshould be inspected and cleaned if any build-up ofdebris is noted [remove two (2) cylinder head ac-cess panels to inspect and clean].CHECK GEAR AXLE OIL LEVELRefer to LUBRICATION for Gear Axle Lubricationin Maintenance Instructions.INSPECT FOUR (4) DRIVE BELTSEngine PTO Drive, Jackshaft Drive, HydrostaticGround Drive, and GHS Blower Drive (if equipped).CHECK HYDROSTATIC TRANSMISSION OILLEVELRefer to LUBRICATION for Checking HydrostaticTransmission Fluid Level in Maintenance Instructions.CHECK FUNCTION OF OIL PRESSUREWARNING HORNTurn ignition key to the RUN position. The oil pres-sure horn should signal, indicating normal function.