Snapper YZ18386BVE, YZ18386BVE From Previous, Blade Brake Adjustment, Belt Replacements

Page 18

Section 4 - ADJUSTMENTS & REPAIR

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.

4.3.4. BELT REPLACEMENT

2.

(Continued From Previous)

Route belt around stationary idler.

3.

Remove spring that is connected to idler pulley.

Loosen nut and bolt that secures idler pulley to idler

arm. Route belt between belt guide and idler pulley.

4.

Route belt onto spindle pulley. Make sure belt is

inside spindle pulley belt guide.

5.

Reinstall idler pulley spring. See Figure 4.4.

4.3.5. BLADE BRAKE ADJUSTMENT

The SNAPPER SCRAMBLER is equipped with an electric clutch/brake that should stop blade rotation in 5 seconds or less after being turned off. If blades continue to rotate longer than 5 seconds, adjustment or replacement is required. When properly adjusted, a .010” to .012” feeler gauge will fit thru the three inspection slots located on the side of the clutch as shown. See Figure 4.5. Excessive clearance can adversely affect the function of the clutch and produce blade stop times over 5 seconds. To adjust, turn the three adjusting nuts clockwise to reduce clearance. The clearance at each of the three slots must be set the same.

NOTE: The idler belt guide should be positioned so

the locator tab fits into the corresponding hole

found on the idler arm. See Figure 4.4. Tighten bolt

securely.

6. Reinstall footrest/floor pan assembly.

BELT REPLACEMENTS

Engine to Hydro Pumps (All Models)

Part No. 4-2773

Engine to Electric Clutch (All Models)

Part No. 2-9117

Electric Clutch to Mower (33” Decks)

Part No. 3-5389

Electric Clutch to Mower (38” Decks)

Part No. 2-9308

IDLER ARM AND BELT

GUIDE DETAIL

ADJUSTING NUT (3)

INSPECTION

SLOT (3)

.010” TO .012”

FEELER GAUGE

FIGURE 4.5

TAB MUST GO

INTO HOLE

 

 

LOCATOR

MOWER

BELT

TAB

BELT

GUIDE

 

 

 

IDLER

 

 

PULLEY

IDLER

ARM

STATIONARY BELT

PULLEYGUIDE

FIGURE 4.4

WARNING

Blades must stop rotating in 5 seconds or less after blades have been turned off. DO NOT operate machine until blade brake has been adjusted or repaired and is functioning properly. Contact your SNAPPER dealer for assistance.

4.3.6.CHECKING MOWER BLADE STRAIGHTNESS

The straightness of the mower blade(s) is essential for smooth, even mowing. Check blade straightness as follows. NOTE: Follow Steps 1 thru 4 for all deck sizes.

1. Close vent on fuel cap and make sure cap is tight. See Figure 2.3.

2. Remove key from ignition switch.

3. Remove spark plug wire(s) and secure away from spark plug(s).

4. Raise cutting deck to highest setting. With a floor jack, raise up front of machine to gain easier access to under deck. Block machine securely.

(Continued On Next Page)

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Contents Scrambler Model Number ExplanationPreparation Protection for ChildrenProtection Against Tipovers From Previous ColumnSafe Handling of Gasoline OperationMaintenance TowingTable of Contents Introduction NomenclatureOperating Instructions PRE-START Check ListStarting & Operation Engine Electric Start Engine Mower BladeStopping Parking BrakeEngine should Start if Cutting Height AdjustmentEngine Must not Start if Engine Must Begin to Stop ifCheck Mower Blade Service After First 5 HoursChange Engine OIL Single Blade DeckEngine Engine Cooling System Service Every 25 Operating HoursChecking Mower Belt Tension Engine Oil Oil Filter Air FilterCheck Engine Mower ComponentsUnderside View of 33 Deck Scrambler Lubrication 1. Front Wheel Bearings Front Caster Wheel Pivot ShaftParking Brake Pivot Bushings Service Annually Storage OUT of SeasonForward Speed Adjustments Joystick AdjustmentsNeutral Position Adjustments Engine Adjustments & RepairDeck Mower Drive Belt AdjustmentBelt Replacement Belt RemovalFrom Previous Blade Brake AdjustmentBelt Replacements Idler ARM and Belt Guide DetailFrom Previous Page Checking the 33 Deck Blade + 1/16Front or Rear View of Deck Deck ShownFront to Rear Deck Pitch 38 Decks Mower Deck Timing RODWheel Brake Adjustment Mower Blade Replacement 4.4.1. Blade Wear LimitsBlade Sharpening Battery Battery Removal Blade Replacement ChartMower Blade Replacement 4.4.3. Blade Replacement Battery ServiceBattery Testing NEW Battery Preparation 1. Remove battery from cartonProblem Probable Cause Trouble Shooting on NextCorrective Action Problem Probable Cause Corrective Action Excessive Vibration100 Service Performed EachMAINTENANCE/REPLACEMENT Parts USE HRS SeasonYear Limited Warranty Disclaimer of WarrantyPrimary Maintenance Primary Maintenance Primary Maintenance Primary Maintenance Snapper Product Registration Form Page Page Scrambler Hydro Drive Series

YZ18386BVE, YZ18386BVE, YZ18336BVE, YZ18386BVE specifications

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