Snapper SZT18426BVE, SZT20486BVE Right side shown fuel tank removed for clarity

Page 26

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

 

 

FIGURE 4.17

 

 

spillage.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4.6.4.

Tracking Adjustments

 

 

 

 

 

 

 

 

 

 

 

 

When both motion control levers are fully engaged in

 

 

PIVOT BRACKET (LEVER

 

 

 

 

 

 

 

 

 

 

 

 

forward drive, the machine should move in a straight

 

 

MUST BE IN NEUTRAL

 

 

 

 

 

line.

If the machine tracks (veers) left or right, a

 

 

LOCK POSITION)

 

 

 

 

 

 

 

 

 

 

 

 

tracking adjustment must be made. Each motion

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

control lever is equipped with a tracking adjustment

 

 

 

 

 

 

 

 

 

 

plate. See Figure 4.18. Moving the plate forward or

 

 

 

HAIR PIN

 

 

 

 

backward adjusts the machine’s tracking:

 

 

 

 

 

 

 

 

 

 

1. If mower tracks to the left, loosen the two torx

 

 

 

 

 

 

 

ROD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

screws on the left adjustment

plate, slide plate

 

 

 

 

 

 

 

FITTING

 

 

 

 

 

 

 

 

 

 

forward approximately 1/8”, and retighten screws.

 

 

 

 

 

 

 

 

 

 

 

TURN CLOCKWISE IF WHEEL

 

 

 

 

 

(If plate is already as far forward as it can go,

 

 

 

CONTROL

 

 

TURNS IN REVERSE,

 

 

 

loosen the right plate and slide back 1/8”.) Check

 

COUNTERCLOCKWISE IF

 

 

ROD

 

machine tracking and repeat as needed.

 

WHEEL TURNS FORWARD

 

 

 

 

 

2. If mower tracks to the right, loosen the two torx

 

 

 

 

 

 

 

 

 

 

screws on the right adjustment plate, slide plate

 

 

 

 

FIGURE 4.15

 

 

 

forward approximately 1/8”, and retighten screws.

 

 

 

 

 

 

 

(If plate is already as far forward as it can go,

 

(Right side shown; fuel tank removed for clarity)

loosen the left plate and slide back 1/8”.) Check

4.6.2. Neutral Return Spring Adjustments

machine tracking and repeat as needed.

3. In cases of severe tracking, one plate may

When the motion control levers are

released, return

need to be moved fully back and the other moved

springs assist them back to the neutral position. See

 

 

 

 

 

ADJUST UNTIL

 

Figure 4.16. To adjust spring tension:

 

 

 

 

 

 

 

 

 

 

 

1. If a stronger return is desired, tighten the nyloc

 

 

 

 

 

LEVERS ARE

 

 

 

 

 

ADJUST

 

 

 

 

nut atop the return spring rod.

 

 

 

 

 

 

 

ALIGNED

 

2.If a weaker return is desired, loosen the nyloc nut atop the return spring rod.

NOTE: Be sure to adjust left and

return

springs equally.

 

 

TENSION

NEUTRAL

 

RETURN

 

ADJUSTING

SPRINGS

 

NUT

 

 

 

FIGURE 4.16

TRACKING

ADJUSTMENT

PLATE

fully forward.

FIGURE 4.18

LEVER ALIGNMENT SCREWS

4.6.3.Motion Control Lever Alignment

Correctly aligned Motion control levers will propel the mower forward in a straight line when levers are equally

engaged into drive.4.17. If one transmission engages before another, loosen the lever

adjustment screws,

adjust the lever forward or

backward until levers

aligned. See Figure 4.18.

26

Image 26
Contents Scrambler Important Safety Instructions From Previous ColumnSafe Handling of Gasoline Towing Table of Contents Introduction NomenclatureMotion 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 brakeStopping Engine PRE-START Check ListEngine Operation 2.2.1. Starting Engine Forward Motion Motion ControlGetting Ready Reverse MotionZERO-TURNING Conventional TurningLeft turn shown right turn opposite Stopping MotionMowing Operations Mower Operation Cutting Height AdjustmentMower Blade Engagement Mower Blade DisengagementEngine Must Begin to Stop if Engine Must not Start ifEngine should Start if Check Mower Blade Service After First 5 HoursChange Engine OIL Twin & Triple Blade DeckService Every 25 Operating Hours Check Transaxle Drive BeltService Every 25 Operating Hours 3.3.1. Engine Mower ComponentsFront Caster Wheel Pivot Shaft Mower Deck LinkageFront Wheel Bearings Parking Brake Pivot BushingsService Annually Storage OUT of SeasonBelt Replacement Engine Adjustments & RepairMower Drive Belt Adjustment Belt RemovalRefer to Section MAINTENANCE/REPLACEMENT Parts Blade BrakeHairpin Lift ARM Single Blade Deck Front or Rear View of DeckTwin Blade Deck Deck ShownWheel Brake Adjustment Numbers refer to Section Maintenance /REPLACEMENT Parts Mower Blade Replacement 4.4.1. Blade Wear LimitsBlade Replacement Blade SharpeningBattery Service Battery Battery RemovalBattery Installation 1. Slide battery into battery cradle Battery StorageNeutral Adjustments Battery TestingMotion Control Adjustments Motion Control Lever Alignment Neutral Return Spring AdjustmentsRight side shown fuel tank removed for clarity Corrective Action Problem Probable CauseTrouble Shooting on Next MAINTENANCE/REPLACEMENT Parts Loss Of TractionUSE HRS Season Service Performed Each100 Year Limited Warranty Disclaimer of WarrantyPrimary Maintenance Primary Maintenance Primary Maintenance Primary Maintenance Snapper Product Registration Form Scrambler ZERO-TURN Hydro Drive Series

SZT18426BVE, SZT20486BVE specifications

The Snapper SZT18426BVE and SZT20486BVE are advanced lawn care machines designed for homeowners and professionals who demand high performance and reliability in their lawn maintenance tasks. Both models exhibit a combination of power, versatility, and user-friendly features that make them stand out in the market.

The Snapper SZT18426BVE is equipped with an 18 horsepower engine, making it a robust performer for various lawn sizes and types. Its cutting deck is 26 inches wide, which allows for efficient mowing even in tighter spaces. The SZT20486BVE takes it up a notch with a more powerful 20 horsepower engine and a wider 48-inch cutting deck, enabling it to cover more ground quickly, making it ideal for larger properties.

One notable feature of both models is the Zero-Turn technology, which allows for unmatched maneuverability. This function enables the operator to turn on a dime, facilitating access to corners and obstacles with ease. This is particularly beneficial for mowing around trees, flower beds, and other landscaping features. The comfort of the operator is also a priority; both models come with fully adjustable high-back seats that provide ample support during extended use.

Equipped with advanced cutting technologies, these Snapper models feature a patented mowing system that ensures a precise cut while maintaining the health of the grass. The adjustable cutting height offers versatility to achieve the desired grass length, accommodating various lawn conditions and preferences.

Moreover, both the SZT18426BVE and SZT20486BVE are designed with durability in mind. Their rugged frames and heavy-duty components ensure long-lasting performance, making them investments that stand the test of time. Additionally, maintenance is straightforward with easily accessible parts and a simple design that allows users to keep their machines in peak condition with minimal effort.

Safety features, such as the operator presence control, ensure that the mower will stop when the operator is not in a seated position, providing peace of mind during use. Both models also come with an easy-to-use dashboard that allows for quick adjustments on the go, including speed control and blade engagement.

Overall, the Snapper SZT18426BVE and SZT20486BVE are excellent choices for those seeking efficient, reliable, and user-friendly zero-turn lawn mowers that combine power and innovative features for a superior mowing experience.