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:

A
Aaron MccormickAug 31, 2025
What to do if Toro Lawn Mower has lines of uncut or badly cut grass in the direction of travel?
- L
  Linda GilbertSep 1, 2025
  If your Toro Lawn Mower leaves lines of uncut or badly cut grass, consider these potential causes: * 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.
B
Brianna CoxAug 31, 2025
Why Toro LT3340 is losing power after initial satisfactory operation?
- R
  Rachel LivingstonAug 31, 2025
  Your Toro Lawn Mower may lose power after some use because: * A pump or motor is worn, in which case you should replace parts as necessary. * The hydraulic fluid level is low. Refill the hydraulic fluid tank to the correct level. * The fluid in the hydraulic system has the wrong viscosity. Replace the fluid in the hydraulic tank with the correct viscosity-grade fluid; refer to the Specifications section. * The fluid-filter element is blocked, so change the filter element. * The system is overheating. Check the reel-to-bedknife adjustment and reduce the work rate by increasing the height of cut or reducing the forward speed. * There are leaks on the suction hose. Check and tighten the fittings, replacing the hose if necessary.
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.
M
Maria OliverAug 30, 2025
How to remove ridge lines when cutting grass with Toro Lawn Mower?
- M
  martinpamelaAug 30, 2025
  If you're seeing full-width ridge lines in the cut across the direction of travel with your Toro Lawn Mower, here's what might be happening: * Your forward speed is too high. Reduce forward speed. * The reel speed is too slow. Increase the mower engine speed. * The height of cut is too low. Raise the height of cut.
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.
M
Mark SharpAug 28, 2025
How to prevent uncut grass between cutting units of Toro LT3340?
- B
  brownbrianAug 28, 2025
  To address areas of uncut grass at the overlap between cutting units on your Toro Lawn Mower, consider these points: * If you are turning too tightly, increase the turning radius. * If the machine slides sideways when travelling across a slope, mow up/down the slope. * If there is no ground contact on one end of the cutting unit due to poorly routed hoses or wrongly positioned hydraulic adapters, correct the hose routing or the position of the hydraulic adapters. * If there is no ground contact on one end of the cutting unit because a pivot pin is seizing, release and grease the pivot points. * If there is grass buildup under the cutting unit, clear the grass.
K
kevin59Aug 28, 2025
What causes a step in cut grass height with my Toro Lawn Mower?
- G
  Gabriel PattersonAug 28, 2025
  A step in cut grass height at the overlap between cutting cylinders on your Toro Lawn Mower can occur due to an inconsistent height of cut setting on one cylinder, the raise/lower position control not being in the float position, no ground contact on one end of the cutter because of poorly routed hoses or wrongly positioned hydraulic adaptors, pivot pins seizing, or grass build up under the cutterhead. Check and readjust the height of cut setting, operate the position control to the float position, correct hose routing/reposition hydraulic adaptors, release and grease pivot points, or remove the grass.
C
Carlos JacksonAug 27, 2025
What causes areas of uncut grass with my Toro LT3340 Lawn Mower?
- D
  donwaltersAug 27, 2025
  Areas of uncut grass at the overlap between cutting cylinders on your Toro Lawn Mower might be caused by turning too tightly, the mower sliding sideways when traveling across a slope, no ground contact on one end of the cutter due to poorly routed hoses or wrongly positioned hydraulic adaptors, pivot pins seizing, or grass build-up under the cutterhead. Reduce the turning radius, mow up/down the slope, correct hose routing/reposition hydraulic adaptors, release and grease pivot points, or remove the grass to solve this.
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.

Toro LT3340 Specifications

General

Brand	Toro
Model	LT3340
Category	Lawn Mower
Language	English

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