Snapper WM301021BE, M250821BE, M280921B, M281021BE, M300921B, M301021BE, WM280921B Blade Brake

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Section 3 - MAINTENANCE

WARNING

DO NOT attempt any adjustments, maintenance, service or repairs with the engine running. STOP engine. STOP blade. Engage parking brake. Remove key. Remove spark plug wire from spark plug and secure away from plug. Engine and components are HOT. Avoid serious burns, allow all parts to cool before working on machine. Fuel Filler Cap and vent must be closed securely to prevent fuel spillage.

3.2 SERVICE - AFTER FIRST 5 HOURS 3.2.4. CHECK BLADE DRIVE BELT

The blade drive consists of a single belt from the engine to the deck. Inspect for signs of deterioration and proper tension.

1.Lower deck to lowest setting.

2.Remove four self-tapping screws, two on each side of mower drive belt cover. See Figure 3.3.

3.Slide cover back and rotate out.

REMOVE FOUR

SCREWS TO REMOVE

COVER

FIGURE 3.3

4.With engine “OFF” and deck in 3rd height of cut position, move blade lever back to the “ON” position and depress blade pedals.

5.Measure the belt spacing at idler pulley. See Figure 3.4. The belt spacing should be 1 1/4” but no less 1”. If the measurement is less than 1”, the belt tension should be adjusted. Refer to Section “MOWER DRIVE BELT ADJUSTMENT”.

ENGINE

PULLEY

BELT SPACING SHOULD BE 1-1/4”

IDLER

PULLEY

 

MOWER

FIGURE 3.4

DECK

PULLEY

3.2.5.BLADE BRAKE

1.Check blade brake for proper function. Blade should stop rotating in 3 seconds or less after moving the blade control lever to the “OFF” position or after releasing the blade pedals.

WARNING

Blades must stop rotating in 3 seconds or less after the blade has been turned off. DO NOT operate machine until blade brake has been adjusted and functioning properly.

2.If the blade continues to rotate longer than 3 seconds do not operate machine. Refer to Section “BLADE BRAKE ADJUSTMENT” or contact your SNAPPER dealer for assistance.

3.2.6.SERVICE BRAKE / PARK BRAKE

1.Check machine brake for proper function. Engage park brake. Push machine. Rear tires should skid. Drive machine forward and apply brake. Machine should come to a complete stop in less than 5 ft.

2.If brakes are not functioning properly brake adjustment must be completed before operating machine. Refer to Section “SERVICE BRAKE – PARK BRAKE ADJUSTMENT”.

3.2.7.INTERLOCK SYSTEM

Check interlock controls for proper function:

The engine MUST NOT start if:

1.Blade Control is “ON” and/or clutch/brake pedal is released.

The engine and blades MUST STOP if:

2.The operator leaves the operator position with Blade Control “ON” and/or clutch/brake pedal is released.

WARNING

DO NOT operate machine if interlock system is not functioning properly. Contact your SNAPPER dealer immediately for assistance.

3.2.8.REVERSE LOCKOUT MECHANISM

Check function of Reverse Lockout Mechanism with engine off.

1.Depress and hold blade pedals.

2.Depress and hold clutch/brake pedal.

3.Shift lever must not go into reverse.

WARNING

DO NOT operate machine if Reverse Lockout Mechanism is not functioning properly. Contact your SNAPPER dealer immediately for assistance.

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Contents Rear Engine Riding Mower Series Manual No -4023 I.R /19/00Important Safety Instructions Operation Table of Contents Introduction NomenclatureOPERATOR’S Seat Adjustment 2.2.1. Front to Rear Adjustment PRE-START Check ListStarting & Operation Engine Electric Start On NextEngine Manual Start Starting & OperationEngine Electric Start Starting & Operation 2.3.3. Mower Blade Wheel DriveStopping ENGINE, Wheel DRIVE, Blade 2.4.1. Engine Mower BladeDo not park the machine on slopes Cutting Height AdjustmentStopping ENGINE, Wheel DRIVE, Blade 2.4.4. Park Brake Reverse Lockout Mechanism Reverse Lockout Mechanism OverrideChange Engine OIL Service After First 5 HoursService Engine AIR Cleaner Check Mower Blade Blade Brake Service After First 5 Hours 3.2.4. Check Blade Drive BeltService Brake / Park Brake Interlock SystemClean Mower Deck Service Every 25 Operating HoursBattery Fluid Level Lubrication Grease FittingsService Every 25 Operating Hours 3.3.8. Rear Axle Bearing Every TWO Years Service AnnuallyFuel Filter Storage OUT of SeasonEngine Adjustments & Repair Mower Drive Belt Adjustment for 25, 28 & 30 M ModelsBlade Brake Adjustment Front to Rear Levelness 30 Decks Mower Deck AdjustmentFront to Rear Levelness 25 & 28 Decks Check fuel level in tank. If over 3/4 full, remove Wheel Brake AdjustmentFollow Warning statement found on this Mower Blade Replacement 4.4.1. Blade Wear Limits Blade SharpeningBelt Removal Blade Drive Belt ReplacementBelt Replacement Battery Battery Removal Battery InstallationNEW Battery Preparation 1. Remove battery from carton Battery ServiceBattery Storage Battery TestingSnapper Rear Engine Rider Accessories Problem Probable Cause Corrective Action StopCutting Grass Loss Of TractionBlades Not Cutting ImproperlySubject Service Reference To be Performed PagesMAINTENANCE/REPLACEMENT Parts Maintenance Parts Year Limited Warranty Disclaimer of WarrantyPrimary Maintenance Primary Maintenance Primary Maintenance Primary Maintenance Rear Engine Riding Mower Series