Snapper MR216518B, MRP216518B Check Mower Blade, Check Engine Drive Belt, Service Annually

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Section 3 – MAINTENANCE

WARNING

DO NOT attempt any maintenance, adjustments or service with engine and blade running. STOP engine and blade. Disconnect spark plug wire and secure away from spark plug. Engine and components are HOT. Avoid serious burns, allow sufficient time for all components to cool. Wear heavy leather gloves when handling or working around cutting blades. Blades are extremely sharp and can cause severe injury.

3.2.2.CHECK GREASE LEVEL IN TRANSMISSION NOTE: Do not spill grease or oil on surface of drive disc. See Figure 3.3.

3. Reinstall transmission plug.

4. Check grease level after each 25 hours of operation.

KEEP DRIVE DISC CLEAN!

FIGURE 3.3

IMPORTANT: Drain fuel tank before tipping mower. DO NOT tip machine with carburetor or spark plug down. Oil from crankcase will saturate the air filter and cause the engine to be hard to start or not start at all. If contamination does occur, the air filter will have to be replaced.

3.2.3. CHECK MOWER BLADE

1.Disconnect spark plug wire and secure end away from plug.

2.Tilt mower up on its rear wheels for access to the blade cap screw. Do not tilt mower with spark plug or carburetor down. See Figure 3.4.

3.Check torque of blade retaining cap screw. Recommended torque should be 40 ft. lbs. See Figure 3.4.

4.Check blade for sharpness, wear and damage. Refer to Section “Blade Wear Limits”.

3.2.4.CHECK ENGINE DRIVE BELT

1.Visually check engine drive belt for cracking, fraying, severed or belt strands exposed. If worn or damaged, replace belt before operating mower.

3.2.5. CHECK TRANSMISSION POLY-V BELT

1.Visually check poly-v belt for cracking, fraying, severed or belt strands exposed. If worn or damaged, replace belt before operating mower.

RECOMMENDED BLADE RETAINING CAP SCREW TORQUE VALUE SHOULD BE 40 FT. LBS.

FIGURE 3.4

3.3 SERVICE - ANNUALLY

Perform all maintenance as described in the “Service Schedule” section of this manual.

3.3.1. Engine

Service engine according to engine owner’s manual.

3.3.2. Air Filter

Refer to engine owner’s manual for service instructions.

3.3.3. Engine Oil

Refer to engine owner’s manual for service instructions.

3.4 STORAGE PROCEDURE

Refer to the Engine Owner’s Manual for directions regarding engine storage preparations. Prepare the mower for “end of season” storage as follows:

1.Drain fuel from fuel tank and let engine run until all fuel is out of the carburetor.

2.Disconnect and remove the spark plug wire away from spark plug before any other preparations are made!

3.Tape all openings closed to prevent spraying water into exhaust or air intakes during washing.

4.Tilt mower up on its rear wheels and thoroughly clean the underside of the deck. Do not tilt mower with spark plug or carburetor down. Scrape away any accumulation of grass with a putty knife and or wire brush.

5.Lubricate all exposed metal with a light coating of oil to prevent corrosion.

6.On self-propelled models disconnect transfer rod clip and remove ground speed control rod before folding handles.

7.Loosen handle knobs. Carefully fold the handles forward, “flexing” the control cables to prevent cable damage.

8.Store the mower in a shed or other dry area, protected from weather.

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Contents Model Number Explanation Steel Deck Walk Mowers Type ‘M’ SeriesImportant Safety Instructions Do not refuel the machine indoors From PreviousFrom Previous Column Important Safety Instructions Table of Contents Your specific model. Contact your Snapper Provided for reference only and may differ fromDealer if you have questions IntroductionStarting & Operation 2.2.1. Engine & Blade PRE-START Check ListCutting Height Adjustment Handle Height AdjustmentStarting & Operation Propelling Mower Self Propelled Models OnlyOn Next Recycling OperationRemoving and Dumping Grass Catcher Slide Closure Type BAGInstall Slide Discharge Deflector Slot Under NUT Service After First 5 Hours 3.2.1. Change Engine OIL MaintenanceStorage Procedure Service AnnuallyCheck Mower Blade Check Engine Drive BeltBlade Sharpening Mower Blade Replacement Standard Blade Wear Limit1.A. Ninja Blade Wear Limit Wheel Drive Control Adjustment Cleaning Drive Disc & Driven Disc Driven and Drive Disc ServiceDrive Spring Repair/Replacement Driven Disc AdjustmentReplacing Rubber Driven Disc Driven Disc Assembly Install NEW Snap Rings Engine Drive Belt Replacement Stretch Type Belts Belt ServicePulley Position NEW Battery Preparation 1. Remove battery from carton Battery ServiceBattery Testing Battery Service 1. Remove batteryCorrective Action Problem Probable CauseMAINTENANCE/REPLACEMENT Parts Service Performed Each100 USE HRS SeasonDisclaimer of Warranty Year Limited WarrantyPrimary Maintenance Primary Maintenance Primary Maintenance Primary Maintenance Snapper Product Registration Form Page Page Steel Deck Walk Behind Mowers Type ‘M’ Series