Installation Instructions

ManualsBrandsToro ManualsAttachments, Parts & AccessoriesToro 105-1678

FormNo.3447-231RevA

MuferandSparkArresterKit

ZMaster

SeriesRidingMowers

ModelNo.105-1678

ModelNo.105-1679

ModelNo.105-3633

InstallationInstructions

Important:Whenyounishinstallingthesparkarrester,storetheseInstallationInstructionswithyour

Operator’sManualforfuturereference.

Installation

LooseParts

Usethechartbelowtoverifythatallpartshavebeenshipped.

ProcedureDescription

Qty.

Use

Nopartsrequired

–

Preparethemachine.

Nopartsrequired

–

Removethemufer.

Cableheatshield

Bolt(1/4x3/4inch)

Locknut(1/4inch)

Installthecableheatshield(forModels

74240and74241).

Mufer

Gasket

Installthemufer.

Sparkarrester

Self-threadingscrew(#8x1/2inch)

Installthesparkarrester.

PreparingtheMachine

NoPartsRequired

Procedure

1.Parkthemachineonalevelsurface.

2.Movethemotion-controlleverstothe

NEUTRAL-LOCKposition.

3.Engagetheparkingbrake.

4.Shutofftheengineandremovethekey.

5.Allowthemachineandenginetocoolcompletely.

RemovingtheMufer

NoPartsRequired

Procedure

1.Removethemuferheatshield.

2.Removethe4nutsandlockwasherssecuring

themufertothestudsontheengine.

3.Removetheoldmuferandgasketsfromthe

engineandensurethatyoucleanallthepieces

ofthegasketsofftheengineexhaustmanifold.

8111LyndaleAvenueSouth

Bloomington,MN55420

Registeratwww.Toro.com.

OriginalInstructions(EN)

PrintedintheUSA

AllRightsReserved

*3447-231*

Summary of content (4 pages)

PAGE 1
Form No. 3447-231 Rev A Muffler and Spark Arrester Kit Z Master® Series Riding Mowers Model No. 105-1678 Model No. 105-1679 Model No. 105-3633 Installation Instructions Important: When you finish installing the spark arrester, store these Installation Instructions with your Operator’s Manual for future reference. Installation Loose Parts Use the chart below to verify that all parts have been shipped. Procedure 1 2 3 4 5 Description Use Qty. No parts required – Prepare the machine.
PAGE 2
3 Installing the Cable Heat Shield For Models 74240 and 74241 Parts needed for this procedure: 1 Cable heat shield 1 Bolt (1/4 x 3/4 inch) 1 Locknut (1/4 inch) Procedure 1. 2. Remove the bolt below the cable bracket that is installed to the engine (Figure 1). g006626 Figure 1 Install the cable heat shield below the cable bracket using the bolt removed in step 1 (Figure 1). 1. Cable heat shield (installed) 5. Bolt (1/4 x 3/4 inch) 2. Cable bracket 6.
PAGE 3
4 5 Installing the Muffler Installing the Spark Arrester Parts needed for this procedure: Parts needed for this procedure: 1 Muffler 1 Spark arrester 2 Gasket 2 Self-threading screw (#8 x 1/2 inch) Procedure Procedure 1. Slide the 2 new gaskets over the studs on the engine. 2. Install the new muffler to the studs on the engine, securing it tightly using the previously removed lock washers and nut (Figure 2). 3. Install the muffler heat shield (Figure 2).
PAGE 4
Maintenance Maintaining the Spark Arrester Keep this Sheet with the Operator’s Manual for Future Reference Service Interval: Every 50 hours—Inspect the spark arrester for damage or build-up on the screen. 1. Park the machine on a level surface. 2. Move the motion-control levers to the NEUTRAL-LOCK position. 3. Engage the parking brake. 4. Shut off the engine and remove the key. 5. Wait for the muffler to cool completely. 6.