Toro LT3340 Installation Instructions

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FormNo.3440-878RevA

VinylorFabricAirRideSeatKit

LT2240CompactTriple4-WheelDriveTurfMower,LT3340Triple

ReelMower,orLT-F3000TripleFlailMower

ModelNo.02875—SerialNo.400000000andUp

ModelNo.02876—SerialNo.400000000andUp

InstallationInstructions

Installation

LooseParts

Usethechartbelowtoverifythatallpartshavebeenshipped.

ProcedureDescription

Qty.

Use

1

Nopartsrequired

–

Preparethemachine.

2

Nopartsrequired

–

Removetheexistingseat(model

31654).

3

Nopartsrequired

–

Removetheexistingseat(models

31657and31659).

4

Seatandsuspensionassembly

1

Preparethenewseat(model31654).

5

Seatandsuspensionassembly

1

Preparethenewseat(models31657

and31659).

Locknut(8mm)

4

6

Hex-headbolt(8x25mm)

4

Installtheseat(model31654).

Hex-headbolt(8x25mm)

4

7

Locknut(8mm)

4

Installtheseat(models31657and

31659).

Standardfuse(10A)—Model31654

1

8

Minifuse(10A)—Models31657and

31659

1

Connecttheelectricalcomponents.

9

Nopartsrequired

–

Completetheseatkitinstallation.

©2021—TheToro®Company

8111LyndaleAvenueSouth

Bloomington,MN55420

Registeratwww.Toro.com.

OriginalInstructions(EN)

PrintedintheUSA

AllRightsReserved

*3440-878*

Table of Contents

Other manuals for Toro LT3340

Operator's Manual64 pages

Questions and Answers:

S
Stephen OrtizAug 30, 2025
What to do if my Toro LT3340 Lawn Mower battery has no power?
- R
  Ronald Castillo MDAug 30, 2025
  If your Toro Lawn Mower battery has no power, it could be due to: * A loose or corroded terminal connection. Clean and tighten the terminal connections and charge the battery. * A loose or worn alternator belt. Adjust the tension or replace the belt. Refer to your engine owner’s manual for instructions. * A discharged battery. Charge or replace the battery. * An electrical short circuit. Locate and fix the short circuit.
W
wadejamesSep 8, 2025
Why is there a step in cut grass height with Toro LT3340 Lawn Mower?
- A
  Angela RyanSep 8, 2025
  If you notice a step in the cut grass height at the overlap between cutting units on your Toro Lawn Mower, it could be due to: * An inconsistent height-of-cut setting on one cutting unit. Check and adjust the height-of-cut setting. * The raise/lower position control not being in the float position. Set the position control to the float position. * No ground contact on one end of the cutting unit because of poorly routed hoses or wrongly positioned hydraulic adapters. Correct the hose routing and the position of the hydraulic adapters. * No ground contact on one end of the cutting unit because of pivot pins seizing. Release and grease the pivot points. * No ground contact on one end of the cutting unit because of grass buildup under the cutting unit. Remove the grass buildup.
P
Paul PachecoAug 29, 2025
How to troubleshoot Toro LT3340 Lawn Mower with no battery power?
- B
  Barbara BlackAug 29, 2025
  If your Toro Lawn Mower's battery has no power, try the following: * Check for loose or corroded terminal connections. Clean and tighten them. * Inspect the alternator belt for looseness or wear. Adjust the tension or replace the belt. * The battery may be discharged. Charge or replace the battery. * Look for an electrical short circuit and fix it.
J
Jennifer GonzalezSep 10, 2025
Why Toro LT3340 reel knocks while rotating?
- J
  Jerry ReynoldsSep 10, 2025
  If a reel 'knocks' while rotating on your Toro Lawn Mower, it could be due to: * A high spot on the reel or bedknife from contact with a foreign object. Remove the high spot with a stone and back lap to restore the cutting edges; severe damage may require grinding. * Worn reel bearings. Replace the bearings as necessary.
V
Veronica PorterSep 9, 2025
Why Toro Lawn Mower cutting units don't follow ground contours?
- G
  gmartinezSep 9, 2025
  If the cutting units on your Toro Lawn Mower aren't following the contours of the ground, check the following: * Incorrect hose routing or orientation of the hydraulic fittings. Move the cutting units throughout the extremes of movement and observe any tightness in the hoses. Correctly route the hoses and orientate the fittings as necessary. * Pivot points that are too tight. Release and grease the pivot point as necessary. * Operation in the ‘hold’ position. Move the position control switch to ‘down / float’ position. * Weight transfer set too high. Reduce the weight transfer.
S
shirley45Sep 12, 2025
Why is one reel rotating slowly on my Toro LT3340?
- S
  Sandra MoralesSep 12, 2025
  If one reel is rotating slowly on your Toro Lawn Mower, consider the following: * A reel bearing is seized. Replace the bearings as necessary. * The reel is tight on the bedknife. Adjust the setting. * The motor is worn. Replace the motor.
R
Robert BellAug 27, 2025
Why are there ridge lines in the cut of my Toro LT3340?
- L
  lperezAug 27, 2025
  Ridge lines in the cut across the direction of travel with your Toro Lawn Mower could be due to a forward speed being too high, the cylinder speed being too slow, or the height of cut being too low. Try reducing the forward speed, increasing the mower engine speed, or raising the height of cut.
T
Tommy JohnsonAug 27, 2025
Why Toro Lawn Mower engine does not start with the ignition key?
- A
  Andrew VaughanAug 27, 2025
  The engine of your Toro Lawn Mower might not start due to several reasons: * The transmission neutral interlock switch is not energized. To solve this, remove your foot from the forward/reverse pedals or check the setting of the transmission neutral interlock switch. * The parking brake interlock switch is not energized. To fix this, move the parking brake switch to the on position. * The cutting unit drive interlock switch is not energized. In this case, move the cutting unit switch to the off position. * There is a malfunctioning electrical connection. To resolve this, locate and correct the fault in the electrical system.
B
Bruce HobbsAug 26, 2025
Why Toro LT3340 Lawn Mower leaves lines of uncut grass?
- S
  Stephanie MontgomeryAug 26, 2025
  If your Toro Lawn Mower is leaving lines of uncut or badly cut grass in the direction of travel, consider the following possible causes and solutions: * Tram lining of the cutting edges due to heavy contact caused by poor reel-to-bedknife adjustment. Back lap or grind the edges. * The bedknife is in contact with the ground. Raise the height of cut. * The bedknife has a nose-down angle. Adjust the cutting unit to position the bedknife parallel to the ground. * The cutting units are bouncing. Reduce the forward speed and reduce the weight transfer. * Worn reel bearings/bearing housing pivots. Replace any worn parts. * Loose components in the cutting unit. Check and tighten components as necessary.
E
Eric JonesAug 25, 2025
What to do if Toro Lawn Mower engine does not start with the ignition key?
- A
  Anthony WilliamsAug 26, 2025
  If your Toro Lawn Mower's engine doesn't start when using the ignition key, it could be due to several reasons: * The transmission neutral interlock switch may not be energized. Ensure your foot is removed from the forward/reverse pedals or check the setting of the transmission neutral interlock switch. * The parking brake interlock switch might not be activated. Move the parking brake switch to the on position. * The cutting unit drive interlock switch could be the issue. Move the cutting unit switch to the off position. * There may be a malfunctioning electrical connection. In this case, you'll need to locate and correct the fault in the electrical system.

Toro LT3340 Specifications

General

Brand	Toro
Model	LT3340
Category	Lawn Mower
Language	English

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