Briggs & Stratton MB (18 HP) Transaxle Oil Filter Location, Cleaning, Keep Engine Screen Clean

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Maintenance Instructions

LUBRICATION/CLEANING

Use 3/8" hex wrench

to remove filter

Transaxle Oil Filter Location

3.Reinstall drain plugs.

4.Place 6” (15 cm) block under the left hand drive wheel.

5.Remove the oil reservoir hose attached to the elbow on top of the transaxles and remove the elbows to access the oil fill openings.

6.Fill the transaxles with 20W-50 (API Service Class SL or higher) oil through the opening where the elbows were. Fill up to the opening.

7.Before reinstalling the elbows, screw the locking nut on the elbows down until they are snug (the o-ring on the elbow will be to the bottom of the o-ring groove).

8.Reinstall the elbows. When the elbow begins to be snug, position the elbow as it was when removed and tighten the lock nut.

9.Remove the block from the left wheel and reat- tach the reservoir hoses to the transaxles.

10.Fill both reservoirs to 1” (25 mm) with 20W-50 (API Service Class SL or higher) oil.

11.Start and drive the unit for 1- 2 minutes.

12.If the transaxles sound noisy or have poor steer- ing response, recheck oil level in both transaxles by removing the elbows (check oil level at fill opening).

13.If oil needs to be added refer back to steps 5-12.

Drain Plugs

Transaxle Drain Plugs

(view from underside of tractor)

CLEANING

Engine Air Cooling System

To prevent engine overheating and possible engine damage, clean grass clippings, chaff and dirt from the rotating engine air intake screen every 8 hours of operation. In certain mowing conditions (dry grass, leaves, tree "cotton", etc.) it may be necessary to check and clean this area several times each day to prevent engine overheating. Also, visually check inside cylinder head shroud and between cylinder head fins for material packed in this area which would prevent cooling airflow; remove shroud and clean as required.

IMPORTANT: Yearly or every 100 hours, remove engine cooling shroud and clean cylinder head cool- ing fins to prevent overheating. Make sure cooling shroud is reinstalled properly.

Rotating Engine Screen

Keep Engine Screen Clean

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Contents Illustrated Parts Manual Foreword Table of Contents Spread Tail Wheel Axle KIT Main ComponentHydrostatic Ground Steering Control AssembliesFill In By Purchaser General InformationGlossary Identifying Number LocationsServicing of Engine and Drivetrain Components Transmission SpecificationsEngine Electrical SystemTire Size Blade DriveTire Pressure FRAME/BODY Construction Mower DeckDrive Belts SeatFront View and Right Side View Component IdentificationRear View and Left Side View Top View Body Raised Before Operating Safety InstructionsDo not mow with bystanders in the area Operating Case of a clogged or plugged mower deck MaintenanceSafety Instructions SAFETY, CONTROL, and Instruction Decals SAFETY, CONTROL, and Instruction Decals Deck Caster Wheel Installation Assembly InstructionsSetup Instructions Battery ServicePTO Shaft Connection PTO Shaft Guard InstallationDeck Installation Mower Deck InstallationDeck Counterweight Spring Installation Deck Leveling Body Rod in Stowed Position Body Rod in Engaged PositionCheck Engine Crankcase OIL Level Adjust Mower Cutting HEIGHT, if RE- Quired Control IDENTIFICATION, LOCATION, and Function Operating InstructionsOperating Controls Choke and Throttle Location Forward Speed Control FSC PTO SwitchEngine Choke Engine ThrottleHydro Lockout Rod Location Hourmeter Operating Controls Top View from Drivers Point of View Left Wheel Right Wheel Steering LeverStarting the Engine Adjusting Ground Speed and SteeringDisengaged Correct Operator Hand Position on the Controls Blade Clutch Engaged Blade Clutch Disengaged Engaging the MowerStopping the Machine Cutting Height AdjustmentRecommendations for Mowing Transaxle LockoutsHydro Lockout Rod Freewheel Position Hydro Lockout Rod Normal Operating PositionMaximum Recommended Side Slope Side Discharge Shield in Lowest PositionService Item 100 250 Daily Hours Yearly Maintenance InstructionsImportant Tips for Care of the Briggs & Stratton Engine Dipstick Operating Range LubricationEngine Oil Each USEGrease Fitting and Oil Point Lubrication Dipstick and Oil Fill View from above left side of tractorLubrication Maintenance Instructions Transaxle Lubrication Mower Deck Gearbox LubricationTransaxle Drain Plugs View from underside of tractor CleaningKeep Engine Screen Clean Transaxle Oil Filter LocationClean Cooling Fins and Fan Air Cleaner System CleaningCHECKING/SERVICING Deck Secured in Tilt-Up PositionTire Pressure BatteryCleaning the Terminals Batteries Produce Explosive GasesBlade Balanced on Magnetic Wall-Mounted Balancer Mower Blade Profile For SharpeningDrive Belts Belt Locations REPLACING/REPAIRINGSpark Plugs Breaker PointsEngine/PTO Belt Engaged Engine/PTO BeltRemove Belt Guard Engine/PTO Belt DisengagedGround Drive Belt Assembly Engaged Ground Drive Belt Assembly DisengagedPTO Shear Pin Fuel FilterFuel Filter Location Cutting Blade Shear BoltsMower Blades Steering Handles Adjustment Step AdjustmentsSteering Lever Position Adjustment Step Stop Bolt Location Stop Bolt AdjustmentActuator Rod Length Adjustment Steering Lever AdjustmentNeutral Position Adjustment Step FSC Position Steering AdjustmentNeutral Travel End Full Forward Speed Adjustment StepStraight Tracking Adjustment Step Neutral WindowForward Speed Control Friction Adjustment Step Neutral Travel End AdjustNeutral Switch Adjustment Step FSC Switch LocationTilt-Up Deck Adjustable Stop ADJUSTMENTS/ Electrical System0DLQWHQDQFHHFDOV 75$&725&$/6Refer to Decks Parts Manual 13 for Deck Decals KDVVLV$VVHPEO\ +$66,6$660%7LOW8S/DWFK$VVHPEO\ DvwhqhuvF009 372ULYH$VVHPEO\ Dvwhqhuv $,1&203211732575$160,66,21F051 XHO7DQN$VVHPEO\ 5283KRNHDQG7KURWWOH$VVHPEOLHV F392 URXQGULYH$VVHPEOLHV +5267$7,&*52815,9$660%/,63DUNLQJ%UDNH$VVHPEO\ F066 6WHHULQJ/HYHU6&$VVHPEOLHV Dvwhqhuv 675,1*&21752/$660%/,67UDQVPLVVLRQ6SULQJ$VVHPEOLHV F183 OHFWULFDO$VVHPEO\ Dvwhqhuv 75,&$/$660%Detail a 6SUHDG$OH.LW Dvwhqhuv 635$7$,/+/$/.,7F016 6&+0$7 Limited Warranty For Walker Model MB Rider Mower Sound Test Sound Model MB