FormNo.3376-574RevB
HoverPro
ModelNo.02611—SerialNo.313000001andUp
®
550Mower
Registeratwww.T oro.com.
OriginalInstructions(EN)
*3376-574*B
OrderingReplacementParts
Toorderreplacementparts,pleasesupplythepartnumber,
thequantity,andthedescriptionofeachpartdesired.
UnderstandingReferenceNumbers
Eachidentiedpartinanillustrationhasareference
number.Thereferencenumberforapartalsoappearsin
thepartslist,alongwithotherinformationaboutthepart.
Thiscatalogusestwospecialreferencenumberformats,
onetoindicatepartsinaserviceassemblyandanotherto
indicatethequantityofagivenpartinanillustration.
ServiceAssemblyReferenceNumbers
Partsinserviceassemblieshavereferencenumbersinthe
forma:b.Thearepresentsthereferencenumberofthe
entireserviceassemblyandthebrepresentsasequential
numberuniquetoeachpartwithintheserviceassembly .
ListofAbbreviations
AR:asrequired
ASM:assembly
BBC:bladebrakecontrol
BHTF:buttonheadthreadforming
CARR:carriage
CCW:counterclockwise
CW:clockwise
DEG:degrees
DPA:DualPointAdjustment
ECM:electroniccontrolmodule
EXT:external
FH:athead
GA:gauge
HD:heavy-duty
HF:hexange
HH:hexhead
HHF:hexheadange
HHFTF:hexheadangethread
forming
HJ:hexjam
HLH:hexlaghead
HOC:height-of-cut
HP:highpressure
HSBH:hexsocketbuttonhead
HSFH:hexsocketathead
HSH:hexsockethead
HWH:hexwasherhead
HWHTF:hexwasherheadthread
forming
HYD:hydraulic
LH:lefthand
LP:lowpressure
LPG:LiqueedPetroleumGas
NI:nyloninsert
NPTF:nationalpipethreadne
PFH:phillipsathead
PPH:phillipspanhead
PPHTF:phillipspanheadthread
forming
PRH:phillipsroundhead
PTH:phillipstrusshead
PTO:power-take-off
RH:righthand
ROPS:roll-overprotectionsystem
Forexample,awheelassemblymightbeidentiedby
referencenumber6,thetireby6:1,thevalveby6:2,and
thewheelby6:3.Whenyouordertheassemblyidentied
byreferencenumber6,youreceiveallpartsidentiedby
referencenumbers6:1,6:2,and6:3.However,youmay
alsoorderanypartindividually .Referencenumbersofthis
typeappearinillustrationandinpartslists.
ReferenceNumbersIndicatingQuantity
Inanillustration,ifareferencenumberindicatesmorethan
onepart,thereferencenumberhastheformnXy .Then
representsthequantityofthepart,theXisthemultiplication
symbol,andtheyrepresentsthereferencenumber.
Forexample,inanillustration,thereferencenumber2X37
meansthattwoofthepartsidentiedbyreferencenumber
37areindicated.
RRB:rearrollerbrush
SFH:slottedllisterhead
SHH:slottedhexhead
SHWH:slottedhexwasherhead
SPH:slottedpanhead
SQH:squarehead
SRH:slottedroundhead
STD:standard
TAP:selftapping
TTH:torxtrusshead
2
Contents
CuttingAssembly...........................................................................................4
Engine,ImpellerandDeckAssembly..........................................................................5
HandleAssembly...........................................................................................6
CylinderBarrelAssembly....................................................................................8
OilPanAssembly..........................................................................................10
CrankshaftAssembly.......................................................................................12
PistonandConnectingRodAssembly........................................................................14
CamshaftPulleyAssembly..................................................................................16
RecoilStarterAssembly....................................................................................18
FuelTankandFuelPumpAssembly..........................................................................20
CarburetorAssembly.......................................................................................22
AirCleanerAssembly......................................................................................24
MuferAssembly..........................................................................................26
FlywheelandIgnitionCoilAssembly..........................................................................28
ControlAssembly..........................................................................................30
LabelAssembly...........................................................................................32
AttachmentsandAccessories...............................................................................34
©2016—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
Contactusatwww.Toro.com.
3
PrintedintheUSA.
AllRightsReserved
CuttingAssembly
Ref.
3376-574B4A3
PartNumber
8H1902101
9H1920256
10H1922701
12H1922721Retainer-Blade
13H1922991
14H2920181
Qty.Description
Spanner
Spacer-Blade,Aluminium
Spacer-Distance
Blade-Mkii,53Cm
Screw-Set
Engine,ImpellerandDeckAssembly
Ref.
21:2094791Washer-Plain
B453376-574B
PartNumber
13H2951241Decal
14111-21574
15111-22371Engine-Honda
1716621
18H1901181
19111-53631Decal-Engine
21H2900111
22H1922681Impeller
23111-60041
Qty.Description
Screw-Taptite
Key-Woodruff
Protector-Seal,Oil
DriveAndSpacerASM
DeckASM
Ref.
23:2111-53501
23:3111-53511
23:4111-53931Decal-Warning
23:594-80721Decal-Danger
23:6H2922802Insert
24:2H1922668Insert-Brass
PartNumber
24H2900031Frame-Engine
25H2920048
26H2922691Bracket
28H2922792
Qty.Description
Decal-HoverPro,500Series
Decal-HoverPro,550Series
Set-Screw
Screw
HandleAssembly
3376-574B6C3
HandleAssembly(continued)
Ref.
PartNumber
3094384Nut-Nyloc
6100.000.6308Washer
10097801
11111-22051
16H1922042Handwheel
17H2902371Handle-Upper
18H2902391Arm-Bail
Qty.Description
Setscrew
ThrottleControlWithOpc
ASM
Ref.
PartNumber
19H2902861Footstop
20H2902881Handle-Lower
21H2920262Bolt-U
22H2920584
24H2922762
25H2923092Bolt-Hex
26HY39662
27H2951591
Qty.Description
Spacer-Handle
Grip-Handle
Tie-Cable
Decal-Stop
73376-574B
CylinderBarrelAssembly
3376-574B82
CylinderBarrelAssembly(continued)
Ref.
PartNumber
1132-01111
3132-01291
4132-01311
5
132-48804Bolt-Flange-6X12
6132-05951Bolt-Flange-6X14
7
132-06551
8131-82321
Qty.Description
BarrelASM-Cylinder
Cover-Head
BreatherCoverASM
OilSeal-25.4X62X6
Sparkplug
Ref.
PartNumber
10132-01221
11132-01961Valve-Intake
12132-02011Valve-Exhaust
13132-02072
14132-02112Retainer-IntakeValve
Qty.Description
Seal-ValveStem
Spring-Valve
Spring
93376-574B
OilPanAssembly
3376-574B103
OilPanAssembly(continued)
Ref.
PartNumber
1132-01021
2132-02301
4132-02261
5
132-02271
6132-02291Washer-ExtensionLock
8132-02961
9132-02971
10132-02992
11132-03011
12132-03032
13132-03041
14132-03081
Qty.Description
PanASM-Oil
GaugeASM-OilLevel
Packing-OilFillerCap
Extension-OilFiller
GovernorHolderShaftASM
GovernorASM
Weight-Governor
Holder-GovernorWeight
Pin-GovernorWeight
Slider-Governor
Shaft-GovernorArm
Ref.
PartNumber
15132-05951Bolt-Flange-6X14
16132-06068Bolt-Flange-6X26
16132-06208Bolt-Flange-6X25
17132-06351Washer-Thrust-6Mm
18132-06421
19132-06601
20132-06661
21132-06881Washer-Plain-6Mm
22132-06931Pin-Lock-8Mm
23132-06962DowelPin-8X20
26132-06611
Qty.Description
Clip-GovernorHolder
OilSeal-28X41.25X6
O-Ring-14.8X2.4
OilSeal-6X1 1X4
113376-574B