Walker H24d Operator's Manual

Also see for H24d: Operator's manual

Assembly Instructions25PREOPERATING 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 operation, some of these items will not need to be checkedevery day, but the operator should be aware of thecondition of each.)For proper fuel and lubricants refer to Specifications.FILL FUEL TANKSFill the fuel tanks with clean, fresh fuel. Clean dieselfuel is particularly important since contaminated fuelwill damage the fuel injectors and injection pump.NOTE: It may be necessary to use the fuel pumpprimer to bleed (purge out air bubbles) the diesel fuelinjector system when initially filling an empty tank.Refer to Fuel Pump Priming instructions in the Operating Instructions.DANGERHandle diesel fuel with care. Use safe refu-eling procedures:● DO NOT fill fuel tanks with the enginerunning.● 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 orspout.● DO NOT overfill the fuel tanks; fill up toabout 1 in. (25 mm) below the top oftank.IMPORTANT: DO NOT permit dirt or other foreignmatter to enter the fuel tanks. Wipe dirt from aroundthe filler cap(s) before removing. Use a clean fuelstorage container and funnel.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 CLEANER SYSTEM● Check air filter restriction gauge to make surethe yellow indicator disk is in the safe operating(green) range.● Check condition, cleanliness, and security of thecomplete air cleaner system (inspect air filterpaper element every 100 hours). For detailedprocedures, refer to CLEANING the Engine AirCleaner System in Maintenance Instructions.CHECK ENGINE COOLING SYSTEM● Check the radiator air intake screen to makesure the screen is clean and free of obstruction.Also, the radiator cooling fins should be inspected and cleaned if there is any buildup ofdirt or debris. (Remove the intake screen assembly to inspect and clean.)● Check the coolant levels in the radiator andoverflow tank. If additional coolant is needed,refer to CHECKING/SERVICING the EngineCooling System in Maintenance Instructions.WARNINGDO NOT remove the radiator pressure capwhen engine is hot.● Check operation of electric radiator fan byturning ignition key to the ON (RUN) position.CHECK HYDROSTATIC TRANSAXLE OILLEVELRefer to LUBRICATION for Check Transaxle FluidLevel in Maintenance Instructions.INSPECT FIVE (5) DRIVE BELTSEngine/PTO (3), Ground Drive (1) and Deck Drive (1).