Walker B18 Operator's Manual

Maintenance Instructions LUBRICATION41IMPORTANT: Check the dipstick reading be-fore adding the last 1/2 pint of oil and fill only tothe FULL mark. The oil level should never beover the FULL mark on the dipstick; overfillingCAN result in engine overheating and loss ofpower.10. Start the engine and check for oil leaks aroundthe oil filter. Stop the engine, recheck the oillevel, and add oil if necessary. (When the en-gine is first operated with a new oil filter, the oillevel drops slightly as the filter is filled with oil.)Grease Fitting and Oil Point LubricationLubricate the grease fittings and oil points after every25 hours of operation. Lubricate more often whenoperating in dusty or dirty conditions. Use SAEgeneral purpose lithium or molybdenum base greasefor grease fittings and light machine oil (SAE 10) tolubricate oil points. Lubricate the locations shownin the Chassis and Deck Lubrication Pointsillustration.NOTE: PTO universal joints (on the deck and trac-tor) require routine lubrication after every 25 hoursof running time.NOTE: The flange bearings on the PTO drive shaftare sealed and do not require periodic maintenance.PTO U-Joint LubricationDANGERNever perform the following steps with theengine running.1. Remove deck from tractor.2. Position the PTO U-joint grease zerk pointingdown, as shown below. To rotate the PTO, theblade brake will need to be released by pushingthe blade clutch lever slightly forward while si-multaneously turning the PTO.Grease ZerkGrease Zerk Location3. Use a grease gun to add grease until it seepsout of the seals. Wipe away any excess grease.DO NOT over grease.Hold Tube Up toAccess ZerkUsing Grease Gun