Walker H24d Operator's Manual

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51Maintenance Instructions LUBRICATIONElbow Screw LockingNut DownReinstall Transaxle Elbows7. Reinstall the elbows. When the elbow begins tobe snug, position the elbow as it was when removed and tighten the locknut. Reinstall reservoir hoses to elbows.8. Fill reservoir to 1/41/2 in. (613 mm) with20W50 (API Service Class SL or higher) oil .9. Start and drive the unit for 12 minutes.10. If the transaxles sound noisy or have poor steering response, there may be air trapped in thetransaxles. Follow purge instructions below.11. If oil needs to be added, refer back to steps 510.12. To purge air from transaxle, raise tractor andblock with tires off the ground. With engine running, slowly move Forward Speed Control forward and backward 5 to 6 times. Turn off engine and check oil level and add if needed.Repeat procedure until transaxles operate atnormal noise levels and move smoothly in forward and reverse.Grease Fitting and Oil Point LubricationLubricate the grease fittings and oil points after ev-ery 25 hours of operation. Lubricate more oftenwhen operating in dusty or dirty conditions. UseSAE general purpose lithium or molybdenum basegrease for grease fittings and light machine oil(SAE 10) to lubricate oil points. Lubricate thelocations shown in the Chassis and DeckLubrication Points illustration.NOTE: PTO universal joints (on the deck and tractor) require routine lubrication after every 25hours of running time. Remove tractor PTO quickdisconnect tube assembly for easy access togrease fittings.NOTE: The best way to lubricate the PTO tube halfof the universal joint assembly is to remove it fromthe tractor. See instructions for removing and installing PTO quick coupler, refer to Deck Installation inMower Deck Installation on Tractor in the Assembly Instructions.NOTE: The ball bearings on the PTO drive shaft aresealed and do not require periodic maintenance.