Walker B19 User manual

Illustrated
Parts Manual
Beginning S/N: 149239
P/N 4000-22

BeginningS/N149239
UseonlygenuineWalker®replacementparts.
KEYTOABBREVIATIONSUSEDINTHISMANUAL
º (Dimension).....................................................................................................................................Degrees (Angle)
" (Dimension).....................................................................................................................................................inches
(-)....................................................................................................................................................Negative (Polarity)
(+)....................................................................................................................................................Positive (Polarity)
AT ................................................................................................................................................................All-Terrain
CCW...............................................................................................................................................Counter-clockwise
Conn........................................................................................................................................................... Connector
CW...............................................................................................................................................................Clockwise
D...................................................................................................................................................................Diameter
DC ..................................................................................................Deck, Collection (number refers to size in inches)
DM................................................................................................... Deck, Mulching (number refers to size in inches)
DR .........................................................................................Deck, Rear Discharge (number refers to size in inches)
DS...........................................................................................Deck, Side Discharge (number refers to size in inches)
DU ...................................................................................................................................................Garlock (Bearing)
ESNA(Fastener)..........................................................................................................................Nylon Insert Locknut
FSC ........................................................................................................................................Forward Speed Control
GA.....................................................................................................................................................................Gauge
gal......................................................................................................................................................................gallon
GHS........................................................................................................................................Grass Handling System
GR (Fastener)....................................................................................................................................................Grade
HD .............................................................................................................................................................Heavy Duty
HP...........................................................................................................................................................Horse Power
ID...............................................................................................................................Identication or Inside Diameter
L........................................................................................................................................................................Length
LH............................................................................................................Left Hand (orientated with operator on seat)
LP..............................................................................................................................................................Low Prole
mm (Dimension) .........................................................................................................................................millimeters
MS (Fastener)......................................................................................................................................Machine Screw
NS (as part number).....................................................................................Item is not sold by Walker Manufacturing
OD...................................................................................................................................................Outside Diameter
oz.......................................................................................................................................................................ounce
PFH (Fastener)................................................................................................................................ Phillips Flat Head
P/N...........................................................................................................................................................Part Number
PPH (Fastener)................................................................................................................................Phillips Pan Head
PTH (Fastener)..............................................................................................................................Phillips Truss Head
PTO .................................................................................................................................................... Power Take-O󰀨
QKS...........................................................................................................................................................Quick Slide
qt..........................................................................................................................................................................quart
RH ........................................................................................................Right Hand (orientated with operator on seat)
SAE (Fastener).........................................................................................................Society ofAutomotive Engineers
SBH (Fastener)...................................................................................................................Socket Button Head (Bolt)
SD........................................................................................................................................................Side Discharge
SFH (Fastener).................................................................................................................................Slotted Flat Head
SHC (Fastener)................................................................................................................................Socket Head Cap
SHL(Fastener)....................................................................................................................................Shoulder (Bolt)
SM (Fastener)..............................................................................................................................Sheet Metal (Screw)
S/N........................................................................................................................................................Serial Number
Spg....................................................................................................................................................................Spring
SQH (Fastener) ......................................................................................................................................Square Head
SS (Fastener) ...................................................................................................................................... Stainless Steel
ST(Fastener)..............................................................................................................................Self-Tapping (Screw)
Term...............................................................................................................................................................Terminal
V..........................................................................................................................................................................Volts
NOTE: Insomeinstances,combinationsofabbreviationsmaybeused(e.g.PPHMS-PhillipsPanHeadMachineScrew).
Abbreviation WhatitRepresents

1
BeginningS/N149239
UseonlygenuineWalker®replacementparts.
ILLUSTRATEDPARTSLIST
SectionofTractorCovered Page SectionofTractorCovered Page
Decals
Tractor Decals ..........................................................2
Body / ChassisAssemblies
Body / ChassisAssembly..........................................4
Tractor Components
Main Component Power Transmission .....................6
Engine Group............................................................8
Hydrostatic Ground DriveAssemblies.....................10
Steering ControlAssemblies...................................12
Electrical Components
ElectricalAssembly.................................................14
Maintenance
Lubrication Points...................................................16
Wiring Schematic....................................................18
MaintenanceAnd Service Record Sheet.................19
Warranty
Limited Warranty ....................................................21

ITEM PART DESCRIPTION LOCATION NO.
NO. NO. REQ’D
2BeginningS/N149239 UseonlygenuineWalker®replacementparts.
TRACTORDECALS
Walker Product andOperationDecals
18600-26 RHFender Body,RHSideNearSeat 1
29804-1 AxleLockout Chassis 2
38600-27 LHFender Body,LHSideNearSeat 1
45800-13 Decal,WalkerRound(3-3/4") RearBody(oneoneachside) 2
55800-7 Decal,Walker(8") RearBody 1
68821-13 Decal,B19 Body 1
75856-1 MadeInUSA Body 1
DangerDecals Warning Decals CautionDecals
84107-12 Decal,BeltRouting RearBody,Underside 1
98600-5 Caution,EngineExhaust RearBody 1
10 8600-12 Danger,EngineExhaust Engine 1
11 8600-2 Danger,RotatingComponents FlexCouplingGuard(oneoneachside) 2
MaintenanceDecals
12 5855 Important,EngineCooling Engine 1
13 6875 PTOAlignmentArrow UniversalJointTubeAssembly 1
NOTE: Allpartsrequiringdecalsareshippedwithdecalsapplied.

3
BeginningS/N149239
UseonlygenuineWalker®replacementparts.
8600-12
Refer to Decks
Parts Manual
for Deck Decals
9804-1
9804-1
<15°
5
1
13
12
8
2
23
6
4
11
11
10
4
7
GROUNDDRIVE BELT
WALKERP/N 4230-2
ENGINE/PTO BELT
WALKERP/N 4230-1
BELT ROUTING
4107-12
1. 2.
8600-2
8600-2
8600-5
9
TRACTORDECALS
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ITEM PART DESCRIPTION NO.
NO. NO. REQ’D ITEM PART DESCRIPTION NO. NO. NO. REQ’D
4BeginningS/N149239 UseonlygenuineWalker®replacementparts.
BODY/CHASSISASSEMBLY
SeatAssembly
15103 Seat 1
22505 LeafSpring 1
37223-4 CompressionSpring 2
47845-1 RubberBumper(1.375x.750) 2
55841-1 RetainerWasher 4
67434 Washer(3/8x1-1/4x1/4) 2
77440-5 ShockMount(1-1/4x3/4) 2
BodyAssembly
84105-5 RearBody(IncludesItem#9) 1
94190-2 InsulationFoamPad 1
10 5989-4 DomePlug(3/8) 2
11 5989-3 DomePlug(5/16) 2
12 4100-6 FrontBody 1
13 4102-1 BodyGuide/Upper 1
14 5845 RubberBumper(1.50x1.25) 2
15 5146 10mmBallStud 2
16 4145-2 GasSpringAssembly 1
(IncludesItem#15)
17 5180 EdgeMolding/LeverOpening 2
18 4504-3 Hinge(19") 1
19 5989-55 DomePlug(1/2) 1
ChassisAssembly
20 4010-8 Precleaner/BatteryMount 1
21 4320-1 GasTankMount 1
22 4215-10 ShockMount/BodyLiftArm 1
23 4301-8 ChassisFrame 1
24 4102-2 BodyGuide/Lower 1
25 7222 ExtensionSpring(1/4x3) 1
26 7854 PlasticTip,Red 1
27 7383-1 BodyLatchHook 1
SpreadTailWheelAssembly
28 4401-4 Washer(1-3/4x3/8x1/4Thk) 1
29 4301-2 FiberglideThrustWasher 2
30 4301-3 FiberglideBearing 2
31 5830-3 GreaseFitting(45Deg.) 1
32 4301-1 TailWheelPivot 1
(IncludesItems#30,31&33)
33 5830 GreaseFitting 4
34 8769-8 DustCap,DeckCaster 2
35 8769-6 BearingCone(1"ID) 4
36 8769-5 BearingCup(2x1-5/8) 4
37 8769-7 Seal 2
38 8765-11 CasterWheelFork 2
39 8767 Axle,CasterWheel(5-1/8) 2
40 8768-2 Seal,ReverseLip 4
41 8037 BearingCone(3/4ID) 4
42 8768 CasterWheel,Pneumatic(11x4.00-5) 2
8768-3 Tire,Pneumatic(11x4.00-5) *
8768-5 CasterWheel(5x3) *
43 8766 AxleNut(3/4-16) 2
DeckSupportArm&HitchAssemblies
44 4301-10 DeckArmSupportMount 1
45 6840-1 SupportArmBushing(2-1/16) 2
46 4431-1 DeckSupportArm,LH(IncludesItem#33) 1
47 5775-2 HitchPin(#6) 2
48 4430-1 DeckSupportArm,RH(IncludesItem#33) 1
Tilt-UpLatchAssembly**
49 5847 PlasticTip 1
50 5744-20 SpringArm,Tilt-UpLatch 1
51 5744-10 SpringPivotBushing 1
52 5744-15 CompressionSpring(3/8x5/8) 1
53 5744-13 MountAngle,LH 1
54 5744-12 Hook,Tilt-UpLatch 1
55 5744-14 MountAngle,RH 1
Fasteners
F002 10-24KepsNut 9
F004 1/4-20KepsNut 12
F005 1/4-20ESNANut 1
F009 5/16-18WhizLocknut 17
F013 3/8-16WhizLocknut 2
F020 5/16-18ESNANut 1
F025 10-24x3/8PPHMS 7
F028 10-24x3/4PPHMS 1
F029 1/4-20x1/2HexBolt 4
F034 5/16-18x3/4HexBolt 9
F038 3/8-16x1HexBolt 1
F051 3/8SAEWasher 1
F093 5/16-18x1HexBolt 2
F116 1/4-20x1-1/4HexBolt 1
F183 .312x.700x.074Washer 2
F200 7/16-20x3Grade8Bolt 2
F219 7/16-14x1-1/4HexBolt 4
F227 3/8x1-1/4x1/8Washer 2
F246 1/4-20x1/2PTHMS 5
F256 7/16SAEWasher 4
F257 3/8x1-11/16ShoulderBolt 2
F278 3/8SplitLockWasher 1
F341 CoilRollPin(7/64x9/16) 1
F342 5/16ConicalWasher 2
F344 3/4-16SlottedHexNut 2
F347 3/4SAEWasher 2
F348 1/8x1-1/2CotterPin 2
F381 1/4-20HexNut 1
F388 3/8-16x2-1/2HexBolt 2
F430 7/16-20ESNANut 2
F475 1/4-20x1PFHScrew 1
F477 1/4-20x5/8CarriageBolt 2
*ServicePartOnly
** Complete Tilt-Up Latch Assembly Kit available by ordering
kit#5747.

5
BeginningS/N149239
UseonlygenuineWalker®replacementparts.
9804-1
9804-1
F020 F246
F093
53
54
55
F029
52
51 F341
F342 F342
F004
F029
50
49
F004
F002
F002
F028
1
47 48 45
45
33
47 46
8
9
12
11
10
11
10
20
22
7
F004
14 F009
F051 F278
F344 F348
F347
F038
F002
7
3
45
18
23
17
F227
F009
F005
F116 27
26
25
6
5
F257
F034
F034
F009
F430
F430
F009
F200
44
F200
F034
F025
19
F009
F009
F034
F475
F093
F009
F004
F381
F009
33
43
21 40 41
42 41 40 39
33
34
35
36
36
35
37
38
29 30
32 31 30 29 28
33
13
F004
F029
24 F477
F004
F183
<15°
1. 2.
Refer to
ElectricalAssembly
F034
F009
F009
F388
F219
F219
2
F025
Refer to
Electrical
Assembly
F002
F013
F009 16
15
15
8600-5
F256
F256
BODY/CHASSISASSEMBLY
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ITEM PART DESCRIPTION NO.
NO. NO. REQ’D ITEM PART DESCRIPTION NO. NO. NO. REQ’D
6BeginningS/N149239 UseonlygenuineWalker®replacementparts.
MAINCOMPONENTPOWERTRANSMISSION
PTODriveAssembly
14850 HandleGrip,Black 1
22358-12 FiberglideBushing 1
37201-2 FiberglideBearing(1/2") 1
44358-13 ClutchLever 1
(IncludesItems#1&5)
55830 GreaseFitting 4
65103-2 PivotBushing(5/16ID) 2
72358-6 5/16-18x1-3/4Stud 2
85214-13 BallJoint(3/8) 2
92358-8 AdjustorBrace 1
10 4358-12 ClutchPivotPlate 1
11 7775-6 WireLockPin(2-1/2") 3
12 4302 RightHandShoe 1
13 4302-5 UpperShoe,LH 1
14 4302-1 LeftHandShoe 1
15 2302-6 ShoeMount,LH 1
16 4302-2 ShoeMount 2
17 4325-12 IdlerMount 1
18 4236-3 PTODrivePulley(5/AA) 1
19 4302-6 PTOShoe 1
20 7775-7 WireLockPin(3") 1
21 7275-9 QuickCouplerInstallationTool 1
22 7275-16 UniversalJointTubeAssembly/Spline 1
23 4274-12 PTODriveShaftAssembly/Spline 1
24 4358-7 Clutch/PivotStop 1
25 7201-3 FiberglideBearing 2
26 7201-8 InnerRace(4") 1
27 4359 ClutchEngagement(IncludesItem#5) 1
28 7523-3 ClevisPinW/Hole(1/4x1/2) 1
29 4359-2 BrakeBandLink/Rear 1
30 4304 BrakeBand 1
31 4359-1 BrakeBandLink/Front 1
32 7523-2 ClevisPinW/Hole(1/4x5/8) 1
33 4411-3 DriveShaft 1
34 4245-1 IdlerPulley(4/Flat) 2
35 4230-1 Engine/PTOBelt/MatchedSet 1
36 4236-4 IdlerPulley(4/AA) 1
37 5214-2 BallJoint(5/16-24)(NylonLined) 1
38 5226-1 Spring(3/4x2-1/2) 1
39 7380 KnuckleJoint 1
40 4303-7 ClutchActuatorBolt(5/16) 1
41 2358-11 ClutchActuator 1
42 7377 PlasticWasher(1x.438x.025) 2
43 7378 PivotBearing(7/16x9/16) 1
44 4325-1 ClutchArm 1
45 5221 ExtensionSpring(3/4x4) 1
Fasteners
F004 1/4-20KepsNut 8
F005 1/4-20ESNANut 2
F008 5/16-24KepsNut 1
F009 5/16-18WhizLocknut 17
F010 5/16-24ESNANut 1
F012 3/8-16KepsNut 2
F013 3/8-16WhizLocknut 2
F014 3/8-16ESNANut 1
F024 5/16-24JamNut 1
F029 1/4-20x1/2HexBolt 1
F031 1/4-20x5/8HexBolt 12
F034 5/16-18x3/4HexBolt 7
F035 5/16-18x1-1/4HexBolt 5
F040 3/8-16x1-1/2HexBolt 1
F041 3/8-16x1-3/4HexBolt 2
F051 3/8SAEWasher 5
F058 1/4WaveSpringWasher 6
F060 AN960516Washer 2
F061 1/4StarLockWasher 1
F067 3/16x3/16x1Key 1
F069 3/32x1/2CotterPin 2
F093 5/16-18x1HexBolt 1
F120 AN960416Washer 8
F149 1/4x1/4x1-1/2Key 1
F153 3/16x3/16x1-1/4Key 1
F171 5/16-18x3/8SetScrew 2
F178 1/4x1FenderWasher 1
F183 .312x.700x.074Washer 2
F209 .765IDx1.312ODx.032Washer 1
F211 1/4-20x7/8HexBolt 2
F290 3/8-16x5HexBolt 1
F298 3/8-24JamNut 2
F325 1/4-20x3HexBolt 2
F350 1/4-20LPNylock 6
F381 1/4-20HexNut 1
F435 1/4x1/4x1-1/4Key 1
F449 Washer1/2x1-5/8x1/4 1
F451 1/2-20NylonLocknut 1
F484 Washer.380IDx1.0ODx.120 3

7
BeginningS/N149239
UseonlygenuineWalker®replacementparts.
9804-1
9804-1
8600-12
F171
F171
F209
F153
F035 F183
F009 76
44 43 42
40
5
39
38
37
42
45
F178
F029
F061
F009F009
F009
F009
F034
F014
F034
F058
F058
F031
F031
F034
F009
F093
F031F004
F060
F010
F060
F024 F009
F298
F009
1
67
10
9
811
F058 F058
F031
F031
F031
F031
28 F120
F069
F005
F067 F149
F435
16
F008
F031
F120
F004
F031
F004 F004
F009
F120
F120
F034
F211
F009 F120
F120
F120
F120
F058 F058
F031
F211
F381
F034
F290
12
13
11
14
11
15
33
34
34
29
27
26 25 24
25
30
31
F069
32
36
35
F051
F051
F041
F041
16
17
4
5
F350 F350
F350
F012
F004
F012
F004
18
F451
F449
F325
F005
21
19
20
Refer to
Engine Group
Refer to
Body / ChassisAssembly
5
22
5
23
F183
F040
F298
F013
23
8
F484
41
F009
F035
F051
F013
MAINCOMPONENTPOWERTRANSMISSION
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ITEM PART DESCRIPTION NO.
NO. NO. REQ’D ITEM PART DESCRIPTION NO. NO. NO. REQ’D
8BeginningS/N149239 UseonlygenuineWalker®replacementparts.
ENGINEGROUP
PrecleanerAssembly
14088-10 AirCleanerAssembly 1
(IncludesItems#2-6&9)
25088-3 AirCleanerBand 1
32090-3 SafetyFilterInsert 1
42090-1 AirCleanerCartridge 1
52088-2 AirCleanerCap 1
62090-2 VacuatorValve 1
77840 HoseClamp(1-1/4to1-3/4) 2
82012 FlexHose(1-3/4x2) 1
95091-6 AirFlowIndicatorW/Bracket 1
10 M258 VacuumHose(13") 1**
11 5091-5 1/8PipeThreadFemaleW/Barb 1
EngineAssembly
12 4104-3 BodySupport 1
13 4845 RubberBumper(1.0x.625) 2
14 NS Bolt(Kohler) 2
15 2013-4 ShieldSide 2
16 2013-3 MuferHeatShield 1
17 NS Mufer 1
18 NS 19HPEngine(Kohler) 1
19 4010-1 DrainValve3/8-18NPTF 1
FuelTankAssembly
20 5879-3 HoseClamp(1/2) 3
21 NS FuelFilter(Kohler) 1
22 M246 FuelLine(1/4x28") 1**
23 M113 FuelLine(3/16x33-1/2") 1**
24 5975-3 CableTie(50#x7") 4
25 8043-8 RollOverValve 1
26 5977-7 RollOverGrommet(.900x1-1/2) 1
27 5083-8 TankTube(13") 1
28 5083-1 Bushing,Rubber(Fits5083) 1
29 6055-2 FuelTank,4.0Gal.Gas(Black) 1
(IncludesItems#25-27,30,31&33)
30 M246 FuelLine(1/4x6") 1**
31 5020-2 FuelFilter,InTank 1
32 5082-4 2-1/4RatchetFuelCap(EPA) 1
33 8055-2 FuelTankGauge 1
ChokeandThrottleAssemblies
34 4108-3 ControlCable(64") 1
35 2108-4 ControlCable(68") 1
36 8123-3 Insultherm(3/8x10) 1
37 5108-6 ChokeControlKnob,Black 1
38 5108-5 ThrottleControlKnob,Red 1
39 5108-1 ControlLever,Throttle/Choke 2
40 7108 ControlAssembly 2
4108-2 ThrottleControlandCable *
Assembly(IncludesItem#38)
2109-3 ChokeControlandCable *
Assembly(IncludesItem#37)
41 5108-8 ControlBracket 2
42 5108-10 FrictionWasher(.125) 2
43 5108-7 ControlLockTab 2
44 5172 Bearing,Delrin(.255IDx.379ODx.250) 1
Fasteners
F002 10-24KepsNut 10
F005 1/4-20ESNANut 2
F009 5/16-18WhizLocknut 4
F025 10-24x3/8PPHMS 8
F050 1/4SAEWasher 4
F091 5/16-18x5/8HexBolt 2
F094 8-32x1/2PTHMS 2
F164 10-24x1/4x3/8SHLBolt 2
F175 1/2SplitLockWasher 4
F184 1/4-20x1/2HexBolt,SS 2
F185 1/4InternalStarLockWasher,SS 2
F201 1/4BellevilleSpringWasher 4
F439 1/2-13x1-3/4HexBolt 4
F482 8-32NylockNut 2
*ServicePartOnly
** Required hose specications:
M113-3/16"IDfuel/oil/vaporhose(Gates4219-0093or
equivalent)
M246-1/4"IDlowpermeation(<15g/m^2/day)fuelhose
(Parker38904orequivalent)
M258-7/64"IDautomotivevacuumhose

9
BeginningS/N149239
UseonlygenuineWalker®replacementparts.
Refer to
Body / Chassis
Assembly
Refer to
Hydrostatic Ground
DriveAssemblies
F009
F439
F175
1
2
3
4
5
Refer to
Body / Chassis
Assembly
24
F164 F050
F201
F002
F002 F025
F005
43 42
44
38 37
40
35
34
41
39
F050
36
6
7
8
20
22
21
20
32
19
9
10
11
18 17
12
F009
13
14
13
F002
F002
15 16
F025
F025
15
F091
7
9804-1
9804-1
8600-12
F185
F184
F185
F184
31
30
29
28
26
33
25
27
20
24 24
23
F482
8600-2
F094
ENGINEGROUP
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ITEM PART DESCRIPTION NO.
NO. NO. REQ’D ITEM PART DESCRIPTION NO. NO. NO. REQ’D
10 BeginningS/N149239 UseonlygenuineWalker®replacementparts.
HYDROSTATICGROUNDDRIVEASSEMBLIES
GroundDriveAssemblies
14025-6 BottleMount 1
22351-3 FlexCouplerHalf 2
(IncludesItems#F171&F435)
32351-1 RubberIsoCoupler 3
44349-12 FlangedBearing(1") 1
56349-2 FlangedBearing(3/4") 1
64010-10 FlexCouplingGuard 1
74025-33 HoseChannel(SingleHose) 1
85975-3 CableTie(50#x7") 2
94026-9 Pulley(53804) *
10 4240-1 DrivePulley 1
(IncludesItems#F067&F171)
11 4230-2 GroundDriveBelt 1
12 5841-1 RetainerWasher 1
13 7201-3 FiberglideBearing 2
14 7201-5 InnerRace(2-1/4) 1
15 4245 IdlerPulley(3/A) 1
16 4325-13 IdlerArm(IncludesItems#13&18) 1
17 7364-2 TorsionSpring 1
18 5830-3 GreaseFitting(45Deg.) 2
19 9430-1 SpacerTube 4
20 2026-6 Hydro-Gear®OilFilter(52114) 2
21 4025-11 Hydro-GearZT3100,LH 1
22 4026-11 Hydro-GearZT3100,RH 1
23 4407-4 BowTieCotterPin 3
24 2028-5 LockoutArm,LH 1
25 2025-17 StraightThreadHoseFitting 2
26 5879-4 HoseClamp(7/16) 2
27 M111 Hose(1/4x5-1/4) 2**
28 5879-3 HoseClamp(1/2) 4
29 2028-6 LockoutArm,RH 1
30 8043-9 1/4x1/4x1/4Tee 1
31 M111 Hose(1/4x10-1/2) 1**
32 4025-3 Elbow(1/4x1/2) 1
33 5879-8 HoseClamp(13/16) 2
34 5087-1 Hose(1/2x1-3/4) 1
35 2025-8 ReservoirBottomCaps 1
36 5879-7 HoseClamp(5/8) 1
37 2025-1 OilExpansionReservoir(71327) 1
ParkingBrakeAssembly
38 4406 ParkingBrakeLever 1
(IncludesItems#18&39)
39 7406-1 HandleGrip,Red 1
40 8655-4 ClevisPin(5/16x3/4) 2
41 4406-12 BrakeActuatorPull 1
42 2280 Clevis(3/8) 1
43 2406-4 ClevisPin(5/16x1-1/8) 1
44 4401-6 ParkingBrakeMount 1
45 4401-7 ParkingBrakePivot 1
46 4407-3 ParkingBrakeActuator 1
47 5665-1 CompressionSpring(2-1/2) 2
48 4407 ParkingBrakeLink 1
49 5222 ExtensionSpring(1/2x3-1/4) 1
50 5463 SteeringLeverActuator 2
WheelAssembly
51 5075-1 LPWheel&TireAssembly(18x8.50-10) 2
5075-2 LPTire(18x8.50-10) *
5075-5 LPWheel(10x7) *
5033-6 Wheel&Tire(18x7.00-8) ***
5030-6 StandardTire(18x7.00-8) *
5031-2 StandardWheel(8x5.00-5) *
5030-4 TireTube(18x8.50-8) *
Fasteners
F004 1/4-20KepsNut 13
F009 5/16-18WhizLocknut 8
F012 3/8-16KepsNut 2
F013 3/8-16WhizLocknut 6
F015 1/2-20WheelLugNut 8
F020 5/16-18ESNANut 2
F029 1/4-20x1/2HexBolt 8
F031 1/4-20x5/8HexBolt 5
F034 5/16-18x3/4HexBolt 2
F035 5/16-18x1-1/4HexBolt 2
F038 3/8-16x1HexBolt 4
F040 3/8-16x1-1/2HexBolt 1
F042 3/8-16x2-1/4HexBolt 2
F043 3/8-16x3HexBolt 1
F050 1/4SAEWasher 2
F051 3/8SAEWasher 1
F052 5/16Ext.StarLockWasher 6
F067 3/16x3/16x1Key 1
F069 3/32x1/2CotterPin 2
F093 5/16-18x1HexBolt 6
F171 5/16-18x3/8SetScrew 5
F182 1/4x5/8x1/8Washer 4
F183 .312x.700x.074Washer 5
F336 3/8-16JamNut 1
F350 1/4-20LPNylock 2
F369 5/16-18x4-1/2HexBolt 2
F434 5/16-18x3-1/2HexBolt 4
F435 1/4x1/4x1-1/4Key 2
F481 Washer5/16x1x.125 6
*ServicePartOnly
** Required hose specications:
M111-1/4"IDfuel/oil/vaporhose(Gates4219-0103or
equivalent)
*** May be ordered as a factory-installed option or for dealer in-
stallation. Narrow Drive Tires are used when installing a 36"
Deck. ContactyourWalkerdealer.

11
BeginningS/N149239
UseonlygenuineWalker®replacementparts.
9804-1
9804-1
8600-12
17
F004
F183
F183
F183 F035
F182
F183
F020
F182
F182
F369
F042
F013
F182
F050
F031 F029
F029
F029 F004
F004
F004
F029
F004
F336
F031
6
18
24 23 38
39
F069
40
41
42
23
F069
45
46
47
40
21
50
50
19
51
22
51
49
23
29 25
25
26
26 27
30
35
27
31 28
28
28
28
32
33
33 34
37
48
43
44
20
F034
F009
8
1
F015
F434
F009
F004
F009
36
7
Refer to
Engine Group
Refer to
Main Component
Power Transmission
Refer to
Body / ChassisAssembly
F350
F350
F435
F171
F435
9
9
2
3
F093
F052
F481
2
F093 F052
F481
F171
4
F038 F013
F012
F051
F040
11
510
F038
F013
15
18 F043
12
13
13 14
16
F012
F067
8600-2
HYDROSTATICGROUNDDRIVEASSEMBLIES
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ITEM PART DESCRIPTION NO.
NO. NO. REQ’D ITEM PART DESCRIPTION NO. NO. NO. REQ’D
12 BeginningS/N149239 UseonlygenuineWalker®replacementparts.
STEERINGCONTROLASSEMBLIES
SteeringLever&FSCAssemblies
15862 FSCKnob 1
24170 FSCLeverAssembly(IncludesItem#4) *
32170-1 StepWasher 1
45830 GreaseFitting 1
55214-5 BallJoint(5/16-24/LH)W/OStud 1
64173 ControlRod(5-3/8) 1
75214-4 BallJoint(5/16-24)W/OStud 1
84219 ExtensionSpring(3/4x6-1/2) 1
94451-9 FSCFrictionActuator 1
10 4199-2 SteeringLeverDampenerAssembly 2
11 5146 10mmBallStud 4
12 5830-3 GreaseFitting(45Degree) 2
13 7201-2 FiberglideBearing(1/2") 2
14 5463-5 SteeringArmPivotBushing(SS) 2
15 5463-6 Washer5/16x3/4x.250 2
16 5463-4 SteeringLeverActuator 2
17 5665-1 CompressionSpring(2-1/2) 2
18 4213-2 ControlRod(6-3/4) 2
19 5214-2 BallJoint(5/16-24)(NylonLined) 2
20 2212-3 SealRetainer 2
21 2212 TransmissionControlArmStop 2
22 6212-2 TransmissionControlArm,RH 1
23 6212-3 TransmissionControlArm,LH 1
24 4451-1 SteeringPivotShaftW/Stop 1
25 9704-3 PivotRodBushing/Plastic 2
26 4142-2 FSCFrictionWasher 1
(1-1/2x1-1/32x1/16)
27 5141 FSCFrictionWasher(1-1/2x3/8x1/16) 1
28 4142-1 FSCCam 1
29 8201-3 FiberglideBearing 4
30 4452-6 SteeringPivot(1/4-20x1-5/8) 2
31 6451-1 SpeedControlActuator,LH 1
(IncludesItems#12&29)
32 5222 ExtensionSpring(1/2x3-1/4) 2
33 5450 D-Clip 2
34 6452-1 SteeringLeverTubeW/Tab 2
35 5453-10 SteeringLeverHandle/Adjustable 2
(IncludesItems#36&F345)
36 5850-2 HandleGrip,Foam(5-1/2) 2
37 6451-2 SpeedControlActuator,RH 1
(IncludesItems#12&29)
Fasteners
F004 1/4-20KepsNut 2
F005 1/4-20ESNANut 2
F008 5/16-24KepsNut 2
F009 5/16-18WhizLocknut 6
F010 5/16-24ESNANut 2
F024 5/16-24JamNut 3
F035 5/16-18x1-1/4HexBolt 1
F044 5/16-24x3/4HexBolt 2
F059 3/8WaveSpringWasher 1
F093 5/16-18x1HexBolt 4
F146 1/4-20JamNut 2
F167 5/16-18HexNut 1
F183 .312x.700x.074Washer 6
F188 1/4-20Self-LockingNut 4
F192 3/8-24Self-LockingNut 1
F198 .250x.625x.040Washer,SS 2
F211 1/4-20x7/8HexBolt 1
F312 3/8x3/8ShoulderBolt 1
F345 1/4-20x.770KnurledBolt 4
F373 5/16-24HexNut,LH 1
F385 1/4x1-1/4RollPin 1
F386 5/16-18x1-1/2x3/8ShoulderBolt 1
F391 1/4-20x1/2SetScrew,SS 2
F407 BellevilleWasher3/8x1.187,SS 1
F427 5/16-18FlangeNut 1
F582 Washer5/16x7/8x.125 2
*ServicePartOnly

13
BeginningS/N149239
UseonlygenuineWalker®replacementparts.
F009
F009
Refer to
Hydrostatic Ground
DriveAssemblies
Refer to
Hydrostatic Ground
DriveAssemblies
18
18
19
19
21
21
22
23
F391
F146
F008
F008
F391
F146
F183 F183
17
17
20
F044
F024
F024
20
16
16
F183
F183
F010
F010
9804-1
9804-1
.
F427
3
29
29
29
29
Refer to
Body / Chassis
Assembly
4
7
37
28 27
26 25
25
F312
30
30
31
F005
F005
12
13
14
15
12
15
14
F192
F407
F004
F004
F211
6
F386
F059
F183
F024
F093
1
2
5
8
F385
9
Refer to
Body / Chassis
Assembly
F093
F183
33 32
33 32 24
36
36
35
34
34
35
F345 F188
F167
F035
F198
F373
13 F093
F582
F009
F009
F093
F582
F009
F188
F345
F198
F009
11
10
11
11 10
11
Refer to
Body / Chassis
Assembly
STEERINGCONTROLASSEMBLIES
.
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ITEM PART DESCRIPTION NO.
NO. NO. REQ’D ITEM PART DESCRIPTION NO. NO. NO. REQ’D
14 BeginningS/N149239 UseonlygenuineWalker®replacementparts.
ELECTRICALASSEMBLY
ElectricalAssembly
15942-11 DeltaHexNut 1
25942-9 SafetySwitch(NO),DeltaThreaded 1
37834-3 WireSaddle(3Wires) 3
47941-3 Boot,CircuitBreaker 1
57941-8 CircuitBreaker(5Amp) 1
68990-1 Hourmeter(Global) 1
75975-1 CableTie(18#x3-3/4") 2
85932 BatteryTerminalInsulationBlack(-) 1
95933 BatteryTerminalInsulationRed(+) 1
10 4940-6 BatteryCable33" 1
11 6923-4 BatteryCable13-1/2"(-) 1
12 6942 RelaySwitch20/40Amp(NC) 3
13 8404-8 PlasticCover,Red 2
14 8941 CircuitBreaker(30Amp) 1
(AutoReset/Sealed)
15 4940-11 JumperWire 1
16 5835 CableClamp(3/4) 1
17 4940-13 WireHarness 1
18 5942-10 SafetySwitch(NC),DeltaSideMount 1
19 NS Battery(12V/300CCA/Dry) 1
20 5839 HookBolt 2
21 4024-13 SafetySwitchPlate 1
22 5942-8 SafetySwitch(NO),DeltaSideMount 1
23 4910-4 BatteryCover 1
24 8960-15 IgnitionSwitchW/Keys 1
(IncludesItems#25,26&F349)
25 7854 PlasticTip,Red 1
26 8960-3 KeySetW/Umbrella 1
Fasteners
F002 10-24KepsNut 7
F004 1/4-20KepsNut 6
F019 1/4-20ESNAWingNut 2
F026 10-24x1/2PPHMS 5
F028 10-24x3/4PPHMS 1
F029 1/4-20x1/2HexBolt 3
F031 1/4-20x5/8HexBolt 2
F050 1/4SAEWasher 2
F112 5/8x1-1/4x.03Washer 3
F146 1/4-20JamNut 1
F182 1/4x5/8x1/8Washer 2
F211 1/4-20x7/8HexBolt 1
F232 10-32KepsNut 2
F349 Washer.835ID1.122OD,SS 1
F381 1/4-20HexNut 1
F475 1/4-20x1PFHScrew 1
F505 6-32x7/8HexTrimMS,SS 4
F506 6-32NylockNut 4

15
BeginningS/N149239
UseonlygenuineWalker®replacementparts.
1. 2.
<15°
9804-1
9804-1
18
F506 F505
I
FGH
J
F004
F381
19
F029
F026
F004
8600-5
A
2F112
1
F004
F029
21
Refer to
Steering Control
Assemblies
22
F506
F505
Refer to
Main Component
Power Transmission
F031
F031
F050
F004 F002
F232 14 15
13
F146
F211
B
D
E
BLK
RED
END VIEWSARE SHOWN FROM BACK OF PLUG
DETAILI DETAILJ
DETAILC DETAILD
DETAILA
BRN
BLU PUR/WHT
DETAILH
DETAILB
PUR
PUR
YEL WHT
BLK
RED
RED/WHT
BLU PUR/RED
PUR/WHT
PUR
DETAILG
BRN/WHT
BLK
DETAILE
BLK
BLK
YEL
YEL
RED
PUR/RED
DETAILF
BRNWHT
WHT
BLK
BLK
BLK
BLK
BRN/WHT
PUR/
RED
PUR/WHT
BLK
ORG
ORG RED/WHT PUR/WHT
PUR/WHT PUR/RED
C
PUR/WHT
Refer to
Body / Chassis
Assembly
Refer to
Body / Chassis
Assembly
63
24
24
25
26
24
45
F349
F002
F002 F028
17
20
20
12
F002 F026
F475
GRA PUR
WHT
YEL
23
16
8
910
7
F019
F019
F182
F050
F004
F182
11
G
ELECTRICALASSEMBLY
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ITEM PART DESCRIPTION NO.
NO. NO. REQ’D ITEM PART DESCRIPTION NO. NO. NO. REQ’D
16 BeginningS/N149239 UseonlygenuineWalker®replacementparts.
LUBRICATIONPOINTS
LubricationPoints
1SteeringLeverPivot Grease 2
2Deck-to-PTOCoupling Grease 1
(GreaseSplineSlideArea)
3UniversalJointTubeAssembly Grease*1
4DeckSupportArmPivot Grease 2
5UniversalJointQuickConnect Grease 1
Spline(GreaseSlideArea)
6FSCLeverPivot Grease 1
7BodyLatchPivot Oil 1
8ClutchActuatorPushRod Grease 1
9HydroIdlerPivot Grease 1
10 PTOClutchLeverPivot Grease 1
11 TransaxleOilReservoir Oil/20W-50 1
12 TailWheelCasterForkPivot Grease 2
13 RearAxlePivot Grease 1
14 RearWheelBearing Grease 2
15 EngineOilFiller/Dipstick Oil** 1
16 ThrottleControlCableEnds Oil 2
17 ChokeControlCableEnds Oil 2
18 BrakeBandPivotPins Oil 2
19 PTOBeltTightenerPivot Grease 1
20 ParkingBrakeClevis Oil 2
21 ParkingBrakeLever Grease 1
22 ChokeControlPivot Oil 1
23 ThrottleControlPivot Oil 1
*Greaseevery25hours.
** Refer to B19 Operator’s Manual for procedure for
checkingandchangingoilinEngineCrankcase.
NOTE: See Model B19 Operator’s Manual (P/N 4000-19)
forproperlubricationintervals.

17
BeginningS/N149239
UseonlygenuineWalker®replacementparts.
LUBRICATIONPOINTS
1
2
3
20
21
20
4
17 & 22
16 & 23
17
18
8
8
19
7
11
4
5
10
9
16
15
6
12
13
12
14

18 BeginningS/N149239 UseonlygenuineWalker®replacementparts.
WIRINGSCHEMATIC
OPTIONAL
LIGHTS
OPTIONAL
LIGHTS OPTIONAL LIGHTS
HOUR
METER
B
A
M
S1
S2
G
5 AMP
CIRCUIT
BREAKER
BATTERY
S1 = START CIRCUIT
S2 = START/ACCESSORY CIRCUIT
M = MAGNETO GROUND CIRCUIT
B = BATTERY CIRCUIT
A = ACCESSORY CIRCUIT
G = GROUND CIRCUIT
RUN
RELAY - A
IGNITION RELAY
OFF
START
PTO ON
30 + 87
30 + 87
30 + 87A
30 + 87A
IGNITION SWITCH CIRCUITS
OFF
START
RUN
G + M
B + A / S1 + S2
B + A
RUN
RELAY - B
START RELAY
OFF
START
PTO ON
30 + 87
30 + 87
30 + 87A
30 + 87A
RUN
RELAY - C
IGNITION RELAY
OFF
START
PTO ON
30 + 87
30 + 87
30 + 87A
30 + 87A
WALKER MODEL B19
Beginning S/N 146367
BLK
BLK
WHT
PUR
RED
RED
RED RED
RED
RED
RED/WHT
PUR/
WHT
PUR
BLU
BLU
BLK
BLK
BLK
BLK
WHT
PUR
ORG
PUR/RED
BRN/WHT
SEAT
SWITCH
PUR/WHT
PUR/WHT
PUR/
WHT
PUR/
WHT
PUR/
RED
PUR/
RED
PTO
SWITCH
FSC
NEUTRAL
INTERLOCK
SWITCH
RELAY - B
RED/WHT
YEL
YEL
WHT
YEL
BLK
BLK
BLK
RELAY - A
WHT
BLK BLK
BLK
BRN
BRN
BLK
ORG
RELAY - C
BRN/WHT
STARTER SOLENOID
STARTER
RECTIFIER/REGULATOR
MAGNETO
BLK
BLU
PUR
YEL
WHT
PUR/RED
87A
30
85
8787 87A
30
8685
30
8585
87
86
87A
86
RED
RED
RED
RED
30 AMP
CIRCUIT
BREAKER