Snapper Complete Service Manual: Spindle Replacement and Adjustments for Mowers

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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.

3.In cases of severe tracking, one plate may need to be moved fully back and the other moved fully forward.

SPINDLE PULLEY

SPINDLE PULLEY

IDLER

PULLEYSTATIONARY

PULLEY

38” DECK

ADJUST

TRACKING

ADJUSTMENT

PLATE

FIGURE 4.1c

ADJUST UNTIL LEVERS ARE ALIGNED

LEVER ALIGNMENT SCREWS

ELECTRIC

CLUTCH

PULLEY

FIGURE 4.2a

4.3.2. MOWER DRIVE BELT REPLACEMENT

Inspect mower drive belt. Replace belt if signs of

excessive wear and/or damage are present.

4.2 ENGINE ADJUSTMENTS & REPAIR

Refer to the engine owner’s manual for those adjustments and/or repairs that can be made by the owner.

4.3MOWER DECK & COMPONENT ADJUSTMENTS The following mower deck and component adjustments and repairs can be made by the owner. However, if there is difficulty in achieving these adjustments and repairs, it is recommended that these repairs be made by an authorized SNAPPER dealer.

4.3.1. MOWER DRIVE BELT ADJUSTMENT

The 33” and 38” mower deck drive belts do not require any adjustment. If the belt does not drive blade properly, replace belt as needed. Refer to

Section “BELT REPLACEMENT”. Belt routing shown on this page. See Figures 4.2 & 4.2a.

SPINDLE PULLEY

ELECTRIC CLUTCH PULLEY

IDLER PULLEY

33” DECK

FIGURE 4.2

4.3.3. BELT REMOVAL

1.Remove footrest/floor pan assembly. Refer to Section “FOOTREST REMOVAL”.

2.Remove old belt.

4.3.4. BELT REPLACEMENT

1.Route new belt around electric clutch pulley. See Figure 4.3.

MOWER

BELT ROUTE MOWER BELT AROUND ELECTRIC CLUTCH PULLEY

ELECTRIC

CLUTCH

VIEW SHOWN FROM UNDERNEATH WITH

DECK REMOVED, DECK REMOVAL NOT

NECESSARY FOR MOWER BELT

REPLACEMENT

FIGURE 4.3

(Continued On Next Page)

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Contents Model Number Explanation ScramblerFrom Previous Column Protection for ChildrenProtection Against Tipovers PreparationOperation Safe Handling of GasolineTowing MaintenanceTable of Contents Nomenclature IntroductionMotion Control Levers Cutting Deck Adjustment Handle Forward of Operator SeatEngine Speed & Choke Control Right Control Panel Parking Brake Next to Left Control Panel Applies park brakeEngine Operation 2.2.1. Starting Engine PRE-START Check ListStopping Engine Reverse Motion Motion ControlGetting Ready Forward MotionStopping Motion Conventional TurningLeft turn shown right turn opposite ZERO-TURNINGMower Blade Disengagement Mower Operation Cutting Height AdjustmentMower Blade Engagement Mowing OperationsEngine should Start if Engine Must not Start ifEngine Must Begin to Stop if Single Blade Deck Service After First 5 HoursChange Engine OIL Check Mower BladeEngine Oil Oil Filter Air Filter Service Every 25 Operating HoursChecking Mower Belt Tension Engine Engine Cooling SystemUnderside View of 33 Deck Check EngineMower Components LubricationMotion Control Pivot Bushings Front Wheel BearingsFront Caster Wheel Pivot Shaft Parking Brake Pivot BushingsStorage OUT of Season Service AnnuallyMotion Control Lever Alignment Motion Control AdjustmentsNeutral Adjustments Tracking AdjustmentsBelt Replacement Mower Drive Belt ReplacementEngine Adjustments & Repair Mower Drive Belt AdjustmentIdler ARM and Belt Guide Detail Blade Brake AdjustmentBelt Replacements From Previous+ 1/16 From Previous Page Checking the 33 Deck BladeDeck Shown Front or Rear View of DeckMower Deck Timing ROD Front to Rear Deck Pitch 38 DecksMower Blade Replacement 4.5.1. Blade Wear Limits Wheel Brake AdjustmentBlade Sharpening Battery Service Blade Replacement ChartMower Blade Replacement 4.5.3. Blade Replacement Battery Battery RemovalNEW Battery Preparation 1. Remove battery from carton Battery Testing264 Trouble Shooting on Next Problem Probable CauseCorrective Action Excessive Vibration Problem Probable Cause Corrective ActionUSE HRS Season Service Performed EachMAINTENANCE/REPLACEMENT Parts 100Disclaimer of Warranty Year Limited WarrantyPrimary Maintenance Primary Maintenance Primary Maintenance Primary Maintenance Snapper Product Registration Form Scrambler ZERO-TURN Hydro Drive Series

SZT18336BVE, SZT18386BVE specifications

The Snapper SZT18386BVE and SZT18336BVE are two remarkable zero-turn mowers that combine cutting-edge technology with robust performance, catering to both residential and commercial users who value efficiency and precision in their lawn care tasks.

The SZT18386BVE model features an impressive 38-inch cutting deck, designed to maneuver easily around obstacles while providing a clean and even cut. Its 18-horsepower engine delivers ample power to tackle even the toughest grass conditions, ensuring a seamless mowing experience. The mower's zero-turn capability allows for sharp turns and enhanced agility, making it an ideal choice for landscapes with numerous flower beds or trees. This model is also equipped with a comfortable high-back seat, offering support for extended periods of operation, along with an easy-to-use control panel that places everything within reach for the operator.

On the other hand, the SZT18336BVE boasts a slightly narrower 36-inch cutting deck paired with a 18-horsepower engine, making it an excellent choice for smaller yards that still require the same level of professionalism in their maintenance. This model also integrates Snapper’s innovative Smart Start technology, which ensures quick and reliable engine starts every time. Its compact design means it is easier to store and maneuver in tighter spaces, while still maintaining a high level of cutting performance.

Both models feature durable steel construction, ensuring longevity and resistance to wear and tear. They come with adjustable cutting heights, enabling users to customize their mowing experience according to grass length and health. Additionally, Snapper has incorporated a user-friendly maintenance access panel, which simplifies routine inspections and servicing.

Another key feature is the enhanced wheel and tire design, which provides superior traction and stability on various terrains. This is vital for users who often mow in uneven or sloped areas, as it contributes to safety and efficiency.

With their powerful engines, advanced features, and thoughtful designs, the Snapper SZT18386BVE and SZT18336BVE are positioned as top contenders in the zero-turn mower market. Perfect for homeowners and professionals alike, they deliver a perfect blend of performance, comfort, and reliability, making lawn care a more enjoyable experience.