Walker B23i Operator's Manual

Maintenance Instructions LUBRICATION44DS52 or DS62 Mower Deck LubricationThere are several special lubrication requirementsfor the DS52 or DS62 mower deck in addition to therequirements detailed in the Chassis and DeckLubrication Points illustration. Lubricate the loca-tions shown in the Gearbox, Dolly Wheel, and U-Joint Lubrication photo and check and maintain oilin the belt drive gearbox.1. Check the oil level in the belt drive gearbox ev-ery 100 hours (or sooner if a visible oil leak hasdeveloped). With the deck in the normal oper-ating position, remove the level plug in the sideof the gearcase. Add SAE E.P. (Extreme Pres-sure) 80W-90 (API GL-5) gear lube to maintainthe oil level to the plug. If the oil level is low,check the gearbox for any indication of an oilleak. If an oil leak is noted, the gearbox willneed to be removed and rebuilt.2. Lubricate the dolly wheel pivot every 25 hourswith general purpose grease.3. Lubricate both drive shaft u-joints every 8hours with SAE general purpose lithium ormolybdenum base grease.Belt DriveGearboxDolly WheelPivotU-JointsGearbox, Dolly Wheel, and U-Joint LubricationTransaxle Oil and Filter ChangeChange the transaxle oil after the initial break-inperiod of 75-100 hours. Thereafter, change oil ev-ery 400 hours of operation as follows:1. Thoroughly clean the exterior of the transmis-sion housing before servicing. Remove expan-sion tank cap to allow venting. Using a 1/4 in.hex wrench, remove the plug on the lower in-side of each transaxle allowing the oil to drain.2. Remove the oil filter guard, remove and replacethe oil filter using an oil filter wrench. Tightenfilter by turning filter 3/4 to 1 turn after gasketcontacts the filter base surface. Reinstall the oilfilter guard. (Refer to Transaxle Oil DrainPlug, Filter, and Guard Location illustration.)Oil FilterGuardOil DrainPlugOil FilterTransaxle Oil Drain Plug, Filter, andGuard Location(Shown with Deck Support ArmsRemoved for Clarity)3. Reinstall drain plugs.4. Remove the oil reservoir hose attached to theelbow on top of the transaxles and remove theelbows to access the oil fill openings.5. Fill the transaxles with 20W-50 (API ServiceClass SL or higher) oil through the openingwhere the elbows were. Fill up to the opening.6. Before reinstalling the elbows, screw the lock-ing nut on the elbows down until they are snug(the o-ring on the elbow will be to the bottom ofthe o-ring groove).