Scag Power Equipment GC-2B User manual

PART NO. 03416
PRINTED 1/2017
PRINTED IN USA
© 2017
Scag Power Equipment
Division of Metalcraft of Mayville, Inc.
This manual contains the operating instructions and safety information for your
Scag mower accessory. Reading this manual can provide you with assistance
in maintenance and adjustment procedures to keep your mower accessory
performing to maximum efciency. The specic models that this book covers
are listed on the inside cover. Before operating your machine, please read all
the information enclosed.
OPERATOR’S
MANUAL
FABRIC 2-BAG
GRASS CATCHER
Model: GC-2B

WARNING
FAILURE TO FOLLOW SAFE OPERATING PRACTICES MAY RESULT IN
SERIOUS INJURY OR DEATH.
• Readthismanualcompletelyaswellasothermanualsthatcamewithyourmower.
• DONOToperateonsteepslopes.Tocheckaslope,attempttobackupit(withthe
cutterdeckdown).Ifthemachinecanbackuptheslopewithoutthewheelsslipping,
reducespeedanduseextremecaution.
• Undernocircumstancesshouldthemachinebeoperatedonslopesgreaterthan15
degrees.ALWAYSFOLLOWOSHAAPPROVEDOPERATION.
• DONOTmowonwetgrass.Wetgrassreducestractionandsteeringcontrol.
• Keepallshieldsinplace,especiallythegrassdischargechute.
• Beforeperforminganymaintenanceorservice,stopthemachineandremovethe
sparkplugwireandignitionkey.
• Ifamechanismbecomesclogged,stoptheenginebeforecleaning.
• Keephands,feetandclothingawayfrompower-drivenparts.
• Keepothersoffthemower (only one person at a time)
REMEMBER - YOUR MOWER IS ONLY AS SAFE AS THE OPERATOR!
HAZARD CONTROL AND ACCIDENT PREVENTION ARE DEPENDENT UPON THE AWARENESS,
CONCERN, PRUDENCE, AND PROPER TRAINING OF THE PERSONNEL INVOLVED IN THE
OPERATION, TRANSPORT, MAINTENANCE, AND STORAGE OF THE EQUIPMENT.
This manual covers the operating instructions and illustrated parts list for:
GC-2B with a serial number of M6300001 to M6399999
Always use the entire serial number listed on the serial number tag when referring to this product.

1
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Section 1
1.1 INTRODUCTION
Thismanualhasbeenpreparedtoprovidethe 
informationyouneedtocorrectlyassemble,operate,and
maintainthisgrasscatcher.Readitcarefullyandkeepit
forfuturereference.
THE REPLACEMENT OF ANY PART ONTHIS PRODUCT
BY OTHERTHANTHE MANUFACTURER'S AUTHORIZED
REPLACEMENT PART MAY ADVERSELY AFFECT THE
PERFORMANCE, DURABILITY OR SAFETY OF THIS
PRODUCT.
USE OF OTHER THAN ORIGINAL SCAG REPLACEMENT
PARTS WILL VOID THE WARRANTY.
Ifadditional information orservice is neededthat isnot
outlinedinthismanual,pleasecontactyourScagPower
Equipmentdealer.Scagdealersaretrainedinthelatest
servicemethodsandcarryafulllineofScagreplacement
parts.
Whenorderingparts,alwaysprovidethecompletemodel
numberandserialnumberofyourcatcher.
All information provided in this manual is based upon
informationavailableatthetimeofprinting.ScagPower
Equipmentreservestherighttomakechangesatanytime
withoutnoticeorobligation.
1.2 DIRECTION REFERENCE
The“Right”and“Left”,“Front”and“Rear”ofthemachineare
referencedfromtheoperator’srightandleftwhenseated
in the normal operating position and facing the forward
traveldirection.
1.3 SAFETY AND OPERATING
INSTRUCTIONS
NOTE -
To avoid personal injury, it is imperative that all
safety instructions be observed.
1. Readthisoperator'smanualandtheoperator's
manualthatissuppliedwiththemachinethis
attachmentisusedon.
GENERAL INFORMATION
Areplacementmanualisavailablefromyourauthorized
Scag Service Dealer or by contacting:  Scag Power
Equipment,ServiceDepartmentatP.O.Box152,Mayville,
WI53050.Youmayalsocontactusthroughourwebsiteat
www.scag.comThemanualforthisgrasscatchercanbe
downloadedbyusingthemodelandserialnumberoruse
thecontactformtomakeyourrequest.Pleaseindicatethe
completemodelandserialnumberofyourScagproduct
whenrequestingreplacementmanuals.
WARNING
Do not operate without discharge chute, mulch
kit, or entire grass catcher installed.
2. Beforeremovingthegrassbags,disengagethe
mower,stoptheengineandwaitforallmovementto
stop.
3. ALWAYSturntheengineOFF,removethekeyand
waitforallmovementtostopbeforeservicingor
cleaningthemowerorthegrasscatcher.
DANGER
ROTATING BLOWER
BLADES
STOP ENGINE BEFORE
ENTERING CHUTE
CONTACT CAN INJURE
4. Donotmodifyoralteranycomponentofthegrass
catcherattachmentormower.
5. Donotallowanypassengerstorideonthegrass
catcherattachmentoronthemower.

2
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Section 2
2.1 DISCHARGE CHUTE AND CUTTER
BLADE REMOVAL
- NOTE -
Use the illustrated parts list as a part number
reference when following the assembly
instructions.
-IMPORTANT-
When installing this grass catcher on a machine,
one of the following Installation Kits must be
installed for proper performance and operation.
SPZ52 - Installation Kit p/n 901H
SPZ61 - Installation Kit p/n 901J
1. Removeallpackagingmaterials.Layoutthe
mountinghardwareandthecatcherassemblyparts
foreasyaccess.Preparetheworkareamakingsure
thatitisaclean,safeenvironment.
WARNING
Do not operate without discharge chute, mulch
kit, or entire grass catcher installed.
2. Removethedischargechutefromthecutterdeck.
SeeFigure2-1.
- NOTE -
Donotdiscardthedischargechuteormounting
hardware. The discharge chute MUST be
reinstalledanytimethegrasscatcherhasbeen
removedfromthemachine.
REMOVE MOUNTING HARDWARE
Figure 2-1. Discharge Chute Removal
3. Blocktherearwheelsandapplytheparkingbrake
topreventthemachinefrommoving.Liftthefrontof
machineforeasyandsafeaccesstotheunderside
ofthecutterdeck.Removetheignitionkeyand
disconnectthepositiveandnegativebatterycables.
4. Removetheoriginalcutterbladesfromthecutter
deck.Toremovethecutterbladesfromthespindles,
installa1"open-endwrenchontotheflatsprovided
onthespindleshaft.Thiswillallowyoutohold
thespindleinplaceandpreventitfromrotatingas
youremovetheblademountingbolt(useoptional
BladeBuddytoolP/N9212toassistinsecuringthe
cutterbaldes).Usea15/16"boxwrenchorsocketto
removetheblademountingbolt.SeeFigure2-2.Be
suretoretainthebolts,lockwashersandflatwashers
asthehardwarewillbeneededtoinstallthecutter
bladesincludedwiththisgrasscatcher.
WARNING
Blades have a sharp edge. Wear proper eye
protection and protective gloves or wrap
blades with protective material when removing,
sharpening and installing.
Cutter Blade
Use 15/16” Box Wrench
or Socket on
Blade Mounting Bolt
Use 1” Open
End Wrench on
Spindle Shaft
Flatwasher
Lockwasher
Figure 2-2. Cutter Blade Removal
- NOTE -
Donotdiscardtheoriginalblades.Thebladesmay
bereinstalledanytimethegrasscatcherhasbeen
removedfromthemachine.
2.2 ASSEMBLY INSTRUCTIONS - 52 / 61
CUTTER DECK COMPONENTS
1. Installtheleftsidecutterdeckbafflesuppliedinthe
grasscatcherInstallationKitasshowninFigure2-3.
Secureusing(2)3/8-16x1"carriagebolts,(2)3/8"
flatwashers,(2)3/8-16elasticstopnuts,(1)5/16-18
x1"carriagebolt,(1)5/16"flatwasherand(1)5/16-
18centerlocknut.

3
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Section 2
3/8-16 x 1” 3/8-16 x 1”
5/16-18 x 1”
3/8-16 ELASTIC
STOP NUT 3/8-16 ELASTIC
STOP NUT
5/16-18 CENTER
LOCK NUT
3/8 FLATWASHER
5/16 FLATWASHER
3/8 FLATWASHER
Figure 2-3. Left Side Deck Baffle Installation
2. Installtherightsidecutterdeckbafflesuppliedinthe
grasscatcherInstallationKitasshowninFigure2-4.
Secureusing(2)3/8-16x1"carriagebolts,(2)3/8"
flatwashersand(2)3/8-16elasticstopnuts.
3/8-16 x 1”
3/8-16 x 1”
3/8-16 ELASTIC
STOP NUT
3/8-16 ELASTIC
STOP NUT
3/8 FLATWASHER
3/8 FLATWASHER
Figure 2-4. Right Side Deck Baffle Installation
3. Tightenthehardware.
4. Installthenewhighliftcutterbladesincludedwith
theInstallationKitandsecureusingthehardware
removedinSection2.1,Step4.UseoptionalBlade
BuddytoolP/N9212toassistinsecuringthecutter
blades.Torquethecutterblademountingboltto75
ft/lbs.
5. Installthefillerplateandsecureusing(1)5/16-18x
1"bolt,(2)5/16flatwashersand(1)5/16-18elastic
stopnut.SeeFigure2-5.
6. Markanddrillthelowerholeusingan11/32"drillbit.
SeeFigure2-5.Secureusing(1)5/16-18x1"bolt,
(2)5/16flatwashersand(1)5/16-18elasticstopnut.
FILLER PLATE
MOUTING HOLE
FOR 52” & 61” DECKS
MOUNTING HOLE
NOT USED
MARK AND DRILL
USING 11/32” BIT
61” FILLER PLATE
AND DECK SHOWN
Figure 2-5. Filler Plate Installation
7. Tightenthehardwareandlowerthemachine.
8. Removetherightsidebeltcover.Donotdiscard
asthebeltcoverwillneedtobereusedifthegrass
catcheriscompletelyremoved.
9. Releasethetensiononthecutterdeckdrivebeltand
removethebeltfromtherightsidespindle.
10. Removethepulleyfromthespindlebyremovingthe
largenutontop.
11. Installthegrasscatcherpulleyontothespindle
assemblyandsecure.SeeFigure2-6.
NUT
PULLEY
KEY
Figure 2-6. Install Grass Catcher Spindle Pulley
12. Reinstallthecutterdeckbeltusingthebottom
grooveonthegrasscatcherpulley.
13. Installtheblowermountingposttothedeckusing(2)
3/8-16x1-1/4"hexheadbolts(p/n04001-32),(2)
3/8"flatwashers(p/n04041-07),(1)3/8-16elastic
stopnuts(p/n04021-09)and(1)3/8"lockwasher.
Donotfullytightenthehardwareatthistime.See
Figure2-7forhardwarelocation.

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Section 2
FRONTSIDE
IDLERPULLEY
BACKSIDE
IDLERPULLEY BLOWER
PULLEY
SPINDLE
PULLEY
Figure 2-9. Belt Routing
18. Installthenewbeltcoverssuppliedandsecure.
Seeitemsnumber5andnumber14identifiedon
theappropriateBlowerMountingComponentspage
18oftheillustratedpartssectionprovidedinthis
manualforproperinstallation.
2.3 ASSEMBLY INSTRUCTIONS -
DISCHARGE AND HOPPER COMPONENTS
1. Installtheleftandrightsidegrasscatchermounting
bracketstotherearofthemachine.Secureusing(4)
3/8-16x1"hexheadboltsand(4)3/8-16serrated
flangenuts.SeeFigure2-10.
3/8-16 SERRATED
FLANGE NUT
3/8-16 x 1” BOLT
Figure 2-10. GC Mounting Bracket Installation
2. Tightenthehardware.
-NOTE-
52 Blower mounting post shown below for
reference.
ELASTIC STOP
NUT
FLATWASHER
FLATWASHER
BOLT, 3/8-16 x 1-1/4”
LOCKWASHER
Figure 2-7. Blower Mounting Post Installation
14. Installtheblowerassemblytothemountingbracket
andsecurewiththemountingpinandhairpin.See
Figure2-8.
15. Aligntheblowerassemblywiththedischarge
openingofthecutterdeck.Tightenthehardwarefor
themountingbracket.SeeFigure2-8.
16. Installthequickpinthroughtherearholeinthe
dischargechutemountingbracket.SeeFigure2-8.
BLOWER
ASSEMBLY MOUNTING
PIN & HAIR PIN
QUICK PIN
MOUNTING POST
TIGHTEN HARDWARE
TIGHTEN HARDWARE
Figure 2-8. Blower Installation
17. Installthebelttothespindlepulley.Whenreplacing
thebelt.SeeFigure2-9.

5
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Section 2
3. Installtheleftandrightsideuprightmounting
tubestothegrasscatcherhoodassembly.Secure
using(4)3/8-16x2-1/4"hexheadboltsand(4)
3/8-16elasticstopnuts.SeeFigure2-11.
3/8-16 ELASTIC
STOP NUT
3/8-16 x 2-1/4” MOUNTING TABS
TOWARD THE CENTER
OF THE MACHINE
Figure 2-11. Up Tube Installation
4. Installtheadaptertothehoseandsecurewith(1)
6-1/2"clampincludedwiththisgrasscatcher.See
Figure2-12.
SNAP PIN
SNAP PIN
Figure 2-13. SPZ Assembly Installation
6-1/2” CLAMP
ADAPTER
HOSE
Figure 2-12. Hose to Adapter Installation
5. Withhelpfromanassistant,installthegrasscatcher
hoodassemblyontothegrasscatchermounting
bracketsinstalledonthemachineinStep1.See
Figure2-13.Securewiththe(2)snappinsincluded
withthisgrasscatcher.

6
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Section 2
6. Installthehosetothehoodassemblyandsecure
with(1)6-1/2"clampincludedwiththisgrass
catcher.SeeFigure2-14.
-NOTE-
When installing this catcher the discharge hose
may need to be shortened. Follow the steps below
when required.
Lowerthecutterdeckonthemachinetothelowest
cuttingheight.
If required, shorten the hose assembly before
securingittothehoodassembly.Routethehose
uptothehoodassemblyandmarkthehoselength
requiredwhichwillnotallowthehoseto"sag"or
"droop".
Cutthehosetotherequiredlength.
6-1/2” CLAMP
HOOD
HOSE
Figure 2-14. Hose Installation
7. Installthehoseandadapterassemblytotheblower
assemblyinstalledonthecutterdeck.Securewith
therubberstrap.SeeFigure2-15.
HOSE
RUBBER STRAP
ANCHOR BOLT
RUBBER STRAP
Figure 2-15. Hose and Adapter to Chute Installation
2.4 ASSEMBLY INSTRUCTIONS - FRONT
WEIGHT COMPONENTS
1. Removethefront(2)serratedflangenutssecuring
thefootplatetothemachine.Thiswillallowthefoot
platetoliftupwardandallowthefrontweightbarto
beinstalledonthemachine.
2. Installthefrontweightsupportbartothemachine
andsecureusing(2)1/2-13x1-1/4"hexheadbolts,
(2)1/2"flatwashersand(2)1/2-13serratedflange
nuts.SeeFigure2-16.
3. Tightenthehardwareandre-installthefront(2)
serratedflangenutstosecurethefootplatetothe
machine.
4. Installtheweight(x1)includedwiththisgrass
catcher.
5. Liftthehoodassemblyandinstallthebag
assemblies.Installationofthisgrasscatcher
accessoryiscomplete.
6. Reconnectthepositiveandnegativebatterycables.
7. Operateandtestthemachine.
WARNING
Do not operate without discharge chute, mulch
kit, or entire grass catcher installed.
WARNING
Always turn the engine off, remove the key and
wait for all movement to stop before emptying the
grass bags or servicing or cleaning the mower or
grass catcher.

7
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Section 2
1/2-13x1-1/4”
1/2”FLATWASHER
1/2”FLATWASHER
1/2-13SERRATED
FLANGENUT
WEIGHTASSEMBLY(1X)
1/2-13x1-1/4”
PIN
Figure 2-16. SPZ Front Weight Bar Installation

8
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Section 3
3.1 GRASS CATCHER REMOVAL
INSTRUCTIONS
Preparethemachinesothereiseasyandsafeaccessto
theworkarea.Parkthemachine onaflat,levelsurface
and apply the parking brake. Remove the ignition key
anddisconnectthepositiveandnegativecablesfromthe
battery.Maintainallsafetyrelatedworkprocedures.Always
wearhandandeyeprotection.
- NOTE -
Forproperoperationandbestoverallperformance
and dispersal of grass clippings while side
discharging,thegrasscatcherbafesshouldbe
removed.
1. Removetherubberstrapholdingtheadaptertothe
blowerassemblyandthelargequickpinsecuring
theblowertothedischargemountingbracket.
2. Removethebelt,pin,hairpinandlargequickpin
securingtheblowerassemblytothecutterdeckand
removetheblowerassembly.SeeFigure3-1.
BLOWER
ASSEMBLY MOUNTING
PIN
QUICK PIN
MOUNTING POST
Figure 3-1. Removing the Blower Assembly
3. Removethe(2)snappinsholdingthehood
assemblytothemountingbracketsontherearofthe
machine.SeeFigure3-2.
4. Withhelpfromanassistant,removethehopper
assembly.
SNAP PIN
Figure 3-2. Removing the Hopper Assembly
5. Removethehighliftcutterbladesfromthecutter
deck.Toremovethecutterbladesfromthespindles,
installa1"open-endwrenchontotheflatsprovided
onthespindleshaft(useoptionalBladeBuddytool
P/N9212toassistinsecuringthecutterblades).
Thiswillallowyoutoholdthespindleinplaceand
preventitfromrotatingasyouremovetheblade
mountingbolt.Usea15/16"boxwrenchorsocketto
removetheblademountingbolt.SeeFigure3-3.Be
suretoretainthebolts,lockwashersandflatwashers
asthehardwarewillbeneededtoinstallthecutter
bladesincludedwiththisgrasscatcher.
WARNING
Blades have a sharp edge. Wear proper eye
protection and protective gloves or wrap
blades with protective material when removing,
sharpening and installing.