Walker MC (20 HP) Illustrated Parts Manual Download

Page: 58 / 60

Use only genuine

Walker

replacement parts.

Effective Date 06-15-10

WIRING ScHEMATIc

87A

STARTER SOLENOID

STARTER

RECTIFIER/REGULATOR

MAGNETO

OIL PRESSURE SWITCH

ENGINE

CASE GROUND

TO MOTOR MOUNT

POWERFIL

MOTOR

GRASS PAK

SWITCH

HORN

OPTIONAL

LIGHT

OPTIONAL

LIGHT

30 AMP

CIRCUIT

BREAKER

CHASSIS

GROUND

BATTERY

HORN

OPTIONAL

LIGHTS

7 AMP

CIRCUIT

BREAKER

PTO

INTERLOCK

SWITCH

HOUR METER

SEAT

SWITCH

TIME

DELAY

MODULE

FSC

RELAY - B

RELAY - C

RELAY - A

NEUTRAL

INTERLOCK

SWITCH

OFF

RELAY - A

IGNITION RELAY

START

PTO ON

OPEN

30 + 87A

OFF

RELAY - B

START RELAY

START

PTO ON

OPEN
OPEN
30 + 87

OFF

RELAY - C

DELAY RELAY

START

RUN

OPEN
OPEN

30 + 87A

WALKER MODEL MC

Beginning S/N 2006-79501

S1 = START CIRCUIT
S2 = START/ACCESSORY CIRCUIT

M = MAGNETO GROUND CIRCUIT
B = BATTERY CIRCUIT

A = ACCESSORY CIRCUIT
G = GROUND CIRCUIT

IGNITION SWITCH CIRCUITS

OFF

START

RUN

G + M
B + A / S1 + S2
B + A

ORG

BLK

BLU

ORG

BRN

BLK

YEL

RED

PUR

WHT

BLU

PUR

RED

BRN

GRA

BLK/WHT

GRN

RED

BLU

BLK

RED

YEL

BLK

WHT

RED

BRN/WHT

GRN

PUR

YEL

WHT

GRN

BLK
BLK

RED

GRA

BRN

BLK

BRN

GRA

GRN

GRA

ORG

PUR

WHT

RED

GRN

BRN

BRN/WHT

WHT

Summary of Contents for MC (20 HP)

Page 1: ...Model MC 20 HP Effective Date P N 6000 14 06 15 10 ILLUSTRATED PARTS MANUAL...

Page 2: ...ed with operator on seat LP Low Profile 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...

Page 3: ...rol Assemblies 20 Parking Brake Assembly 22 GHS Group 24 GHS Powerfil Assemblies 10 0 6 7 26 GHS 10 0 Bushel Catcher Assembly 28 GHS 6 7 Bushel Catcher Exhaust Deflector Assemblies 30 Electrical Compo...

Page 4: ...al Hydro Warning BridgeAssembly and LH GearAxle DriveAssembly 2 2 Maintenance Decals 15 5815 Body Lift Rear Bumper 1 1 16 5855 Important Engine Cooling Engine 1 1 17 NS Sealed Reservoir Hydrostatic Dr...

Page 5: ...s 1 1 25 25 17 17 21 21 7 7 18 18 20 20 2 3 3 4 5 13 11 19 16 16 12 13 23 22 5 12 18 18 15 10 8 6 6 27 24 27 8 15 10 SD Model Refer to Decks Parts Manual for Deck Decals GHS Model Refer to Decks Parts...

Page 6: ...038 1 Axle Spacer Tube 6 5 8 1 39 6389 Splash Guard 1 40 6307 1 Chassis Frame 1 41 5075 1 LP Wheel Tire 18 x 8 50 10 2 5075 2 LP Tire 18 x 8 50 10 5075 5 LP Wheel 10 x 7 5033 6 Wheel Tire 18 x 7 00 8...

Page 7: ...7 F085 F013 F059 F009 F012 F151 Refer to GHS Group 14 15 22 21 19 20 18 41 17 31 F009 F009 F183 F183 F131 F131 F091 F009 40 Refer to ElectricalAssemblies Chassis Components F048 36 38 37 36 F413 33 34...

Page 8: ...knut 4 F012 3 8 16 Keps Nut 2 F013 3 8 16 Whiz Locknut 2 F014 3 8 16 ESNANut 2 F026 10 24 x 1 2 PPHMS 1 F027 10 24 x 5 8 PPHMS 1 F042 3 8 16 x 2 1 4 Hex Bolt 2 F059 3 8 Wave Spring Washer 2 F085 3 16...

Page 9: ...009 F012 F151 Refer to Body Chassis Assembly GHS Models Refer to Body Chassis Assembly GHS Models Refer to Body Chassis Assembly GHS Models 6 Refer to GHS 6 7 Bushel Catcher Exhaust Deflector Assembli...

Page 10: ...mper 1 8 5161 Bumper Pad 2 9 5162 Roller Wheel 5 Rubber 2 Fasteners F002 10 24 Keps Nut 4 F005 1 4 20 ESNANut 2 F009 5 16 18 Whiz Locknut 10 F014 3 8 16 ESNANut 2 F020 5 16 18 ESNANut 2 F033 1 4 20 x...

Page 11: ...7 6 8 F059 F050 F005 F014 F128 F091 F034 F014 F059 9 F034 F002 Refer to Body Chassis Assembly GHS Models Refer to Body Chassis Assembly GHS Models Refer to Body Chassis Assembly GHS Models BodyAssembl...

Page 12: ...1 Includes Items F168 F226 39 8230 Engine PTO Belt 1 Jackshaft Assembly 40 7245 1 Idler Pulley 3 8 Groove 1 41 6325 2 Spacer Bushing 5 16 2 42 8349 2 IdlerArm 1 43 7201 4 Inner Race 1 1 2 2 44 5221 1...

Page 13: ...39 23 F186 22 F003 F012 F003 21 20 19 F034 1 2 3 17 17 18 16 F009 F061 F029 F178 2 9 9 10 11 F004 F070 F042 F009 F182 12 13 14 15 F226 F131 F168 26 27 28 29 F012 F043 12 F226 F168 F261 F121 2 2 5 6 4...

Page 14: ...ncludes Items F168 F226 39 8230 Engine PTO Belt 1 Jackshaft Assembly 40 7245 1 Idler Pulley 3 8 Groove 1 41 6325 2 Spacer Bushing 5 16 2 42 8349 2 IdlerArm 1 43 7201 4 Inner Race 1 1 2 2 44 5221 1 Ext...

Page 15: ...F012 F003 21 20 19 1 17 17 18 16 F061 F029 F178 2 9 9 10 11 F004 F070 F042 F009 F182 12 13 14 15 F226 F131 F168 26 27 28 29 F012 F043 12 F226 F168 F261 F121 2 2 5 6 4 8 F054 F054 F336 F353 7 F116 9 9...

Page 16: ...Heat Shield 1 24 6013 6 Muffler Heat Deflector 1 25 6013 5 Muffler Brace 1 Engine Exhaust Assemblies 26 5082 2 Fuel Cap Seal 27 5082 Fuel Tank Cap Includes Item 26 28 5879 3 Hose Clamp 1 2 4 29 5083 6...

Page 17: ...031 1 2 3 F004 2 2 4 18 16 17 F218 F219 F004 F184 F050 F184 F120 F051 F002 F184 F185 F063 F151 F025 19 20 20 21 21 22 24 23 25 F185 F183 F029 36 F061 38 F061 F029 27 26 37 28 35 32 30 31 29 33 33 34 2...

Page 18: ...24 21 5775 2 Hitch Pin 6 2 22 6430 1 Deck SupportArm RH 1 Includes Item 24 23 6430 9 Outboard Mount RH 1 24 5830 Grease Fitting 2 25 6840 1 SupportArm Bushing 2 1 16 2 Transmission Repair Parts 26 502...

Page 19: ...3 F023 F081 F027 F359 F359 F359 F359 4 3 5 7 2 9 10 9 8 13 14 12 16 16 17 24 25 22 21 23 21 20 19 15 13 14 15 24 25 18 26 2728 28 29 30 32 31 33 34 35 1 F038 F063 F262 F012 F416 F051 F051 6 Refer to M...

Page 20: ...ng Lever Support 1 29 5217 Pivot Pin Steering Lever 1 30 5451 5 Steering LeverArm LH Adjustable 1 5451 3 Steering LeverAssembly LH Adjustable Includes Items 16 21 36 F188 F198 F345 31 5219 Extension S...

Page 21: ...F004 30 F068 F029 29 28 16 16 F009 F188 F198 36 F050 F034 F050 F008 F069 F032 18 18 19 17 13 14 15 16 F012 F051 20 10 4 F146 F193 F192 F352 21 F345 22 23 24 25 F024 F051 F012 F008 F287 F064 12 11 2 3...

Page 22: ...oke 2 7 5108 5 Throttle Control Knob Red 1 8 5108 11 Friction Washer 062 2 9 5108 8 Control Bracket 2 10 7108 ControlAssembly 2 Includes Items 4 6 8 9 F201 8121 Throttle Control and Cable Assembly Inc...

Page 23: ...sisAssembly GHS Models Refer to Engine Group 10 11 6 9 8 7 2 5 4 3 1 F002 F005 F201 F025 F050 F164 13 14 12 Refer to GHS Group Throttle Choke ControlAssemblIES Effective Date 06 15 10 Use only genuine...

Page 24: ...ing Seal 1 4 x 3 8 4 12 7403 Plunger Bushing GearAxle 2 13 7404 1 BrakeActuator Mount 2 14 7412 Clevis Pin 3 16 x 5 8 2 15 5833 Cable Clamp 1 4 2 16 7410 Brake Control Cable LH 25 5 1 17 7409 Brake Co...

Page 25: ...17 16 14 F112 F261 F127 F072 F127 F109 F086 F086 F127 F072 13 12 11 10 9 8 8 5 9 7 6 6 7 F086 F086 5 F261 10 14 F112 F127 13 12 11 Refer to Hydrostatic Ground Drive Assemblies F109 F054 F054 15 15 F00...

Page 26: ...5 1 22 7545 2 Blower Output Shaft 10 5 1 23 7545 Blower Wheel 10 5 1 24 7542 4 Blower Scroll 10 5 1 25 7542 5 Blower Coupler Nut 1 26 7542 3 Blower Faceplate 10 5 1 27 7526 Intake Tube 10 5 Blower 1 2...

Page 27: ...ctrical Connectors Refer to ElectricalAssemblies GHS 10 0 or 6 7 Bushel Components 2 3 1 5 11 10 16 18 F002 F012 F040 F054 F026 14 29 F039 F034 F217 F218 F281 F009 F012 Refer to Body ChassisAssembly G...

Page 28: ...5551 3 Bearing Cap Powerfil 1 2 5551 1 Pivot Bearing S3PP 2 3 5518 2 Pivot Delivery Spout 1 4 5517 2 Pivot Mount 1 5 5552 Ball Joint 1 4 28 2 6 5558 1 Powerfil Push Rod 1 7 5553 3 Bushing Powerfil Ac...

Page 29: ...12 F287 F002 F129 4 3 Refer to ElectricalAssemblies GHS 10 0 or 6 7 Bushel Components Refer to ElectricalAssemblies GHS 10 0 or 6 7 Bushel Components Refer to ElectricalAssemblies GHS 10 0 or 6 7 Bush...

Page 30: ...g 2 39 5147 Spring Clip 4 40 8155 1 Gas Spring Cover LH 1 41 8607 3 LowerArm 2 42 5103 6 Pivot Bushing Outer 2 43 5155 13 3 4 Ball Stud 2 44 5523 6 Gas Spring Plate 2 45 8608 10 Box Support Gas Spring...

Page 31: ...F129 F129 F129 F002 F002 F002 48 48 50 49 F002 F002 F129 31 F049 F020 F002 F002 F009 F002 F351 F129 F351 F129 F027 F027 F027 F026 F002 F009 F049 F049 F002 31 32 53 F456 36 F024 52 F129 F456 34 F208 F...

Page 32: ...ringAssembly Catcher Door 2 Includes Items 24 25 29 F049 28 5524 1 Flanged Hinge Bearing 2 29 5155 13 3 4 Ball Stud 2 30 5523 6 Gas Spring Plate 2 31 7532 Handle Catcher Lift 2 7534 Catcher Handle Kit...

Page 33: ...F004 F079 F079 F330 F329 F329 F049 F035 F049 F049 F196 F242 F020 F002 F002 F009 F020 F085 Refer to GHS Powerfil Assemblies 10 0 6 7 17 17 16 23 15 24 25 27 30 28 35 36 F027 Refer to ElectricalAssembli...

Page 34: ...Module 1 13 6942 Relay Switch 30 40Amp NC 1 Includes Items 20 21 14 7948 3 Time Delay Harness 1 15 5975 3 Cable Tie 50 x 7 6 16 5942 4 PTO Safety Switch NO 1 17 5833 Cable Clamp 1 4 1 18 5942 5 Safety...

Page 35: ...F032 9 F050 F032 11 F027 F093 F004 Refer to Body ChassisAssembly GHS Models Refer to ElectricalAssemblies Body Components Refer to Engine Group Refer to Main Component Power Transmission GHS or SD Mod...

Page 36: ...ser Plate Seat Switch 1 9 5977 6 Grommet 1 x 1 1 4 1 10 6942 Relay Switch 30 40Amp NC 2 Includes Items 19 20 11 5991 1 Hourmeter Power Lead Wire 1 12 8990 1 Hourmeter SenDec 1 13 5991 2 Hourmeter Grou...

Page 37: ...er to ElectricalAssemblies Chassis Components Refer to ElectricalAssemblies GHS 10 0 Bushel Components F349 17 16 12 11 13 10 F002 F025 F026 10 14 2 3 15 BLK WHT GRA DETAILA DETAILF A B C RED GRN BLK...

Page 38: ...7835 Frame Clip 3 16 2 9 7834 Nylon Clamp 1 4 4 10 8950 9 5 10 0 Wire Harness 1 11 5980 3 Wire Grass Pak Switch 1 12 5592 11 Liquid Tight Plug 1 13 5592 10 Grass Pak Switch Module 1 5592 4 Grass Pak...

Page 39: ...ssembly Refer to GHS 10 0 Bushel CatcherAssembly Refer to GHS 10 0 Bushel CatcherAssembly RED BLK WHT BLK WHT BLK WHT DETAILA END VIEWSARE SHOWN FROM BACK OF PLUG A Refer to GHS Powerfil Assemblies 10...

Page 40: ...l Tube WireAssembly Includes Items 8 9 Grass Pak Switch Assembly 10 5833 Cable Clamp 1 4 2 11 5980 3 Wire Grass Pak Switch 1 12 5592 11 Liquid Tight Plug 1 13 5592 10 Grass Pak Switch Module 1 5592 4...

Page 41: ...48 F148 8 5 5 F002 F002 F147 F085 7 6 F002 F148 F086 F025 10 F002 11 F037 10 F002 12 3 13 F144 14 F145 Refer to GHS Group Refer to Electrical Assemblies Body Components Orange A BLK WHT RED BLK DETAIL...

Page 42: ...g Term 1 2 23 5996 16 6 GARing Terminal 1 4 24 5996 17 16 14 GARing Term 1 4 25 5996 20 12 10 GARing Term 1 4 26 5996 21 12 10 GARing Term 10 27 7942 4 Single Connector Male 28 8942 2 Way Connector Ma...

Page 43: ...9 10 8 12 13 11 16 17 14 15 19 20 18 22 23 21 25 26 24 28 29 27 31 32 30 34 35 33 37 38 36 40 41 39 43 44 42 46 47 48 49 50 45 Electrical Connectors Effective Date 06 15 10 Use only genuine Walker re...

Page 44: ...0 7223 1 Compression Spring 11 7846 Rubber Washer 3 8 x 1 1 4 x 1 8 12 5841 1 Retainer Washer 13 7203 6 Riser Plate Seat Switch 14 7845 Rubber Bumper 1 375 x 63 15 7440 5 Shock Mount 1 1 4 x 3 4 Kit 6...

Page 45: ...1 5 6 4 F306 F305 F307 F308 F308 F305 F307 7 9 10 8 12 13 11 15 16 14 17 F026 F227 Refer to ElectricalAssemblies Body Components F009 F257 Armrest Kit Touch Up Paint Comfort Seat Kit Effective Date 06...

Page 46: ...1 11 6105 7 Left HandArmrest 1 12 6105 10 Handle 1 13 6105 6 Right HandArmrest 1 14 6105 8 Grammer Seat Switch 15 6105 9 Wear Part Kit Fasteners F002 10 24 Keps Nut 1 F009 5 16 18 Whiz Locknut 8 F025...

Page 47: ...ement parts Refer to Body Chassis Assembly GHS Models SUSPENSION SEAT REPLACEMENT PARTS 13 14 14 14 14 15 15 15 15 15 14 14 11 12 10 8 7 9 F025 6 6 5 F002 F188 F188 F198 F198 F345 F429 F429 F091 F091...

Page 48: ...t Cntr F 2 6 7993 1 Mount Bracket Light 1 7 7995 4 Power Lead WireAssembly 1 Includes Items 5 9 12 13 8 5977 1 Grommet 1 8 x 3 8 2 9 5975 1 Cable Tie 18 x 3 3 4 1 10 5995 Toggle Switch Off On 1 11 599...

Page 49: ...Body Chassis Assembly GHS Models F091 3 F052 1 2 1 1 4 3 5 4 5 Refer to Electrical Assemblies Chassis Components 8 6 7 8 9 14 12 10 11 13 1 LIGHT KIT Effective Date 06 15 10 Use only genuine Walker r...

Page 50: ...tallation Contact your Walker dealer 1 7854 Plastic Tip Red 2 6541 2 Blower Lockout Rod Includes Item 1 1 3 6541 1 Blower Lockout Latch 1 4 5280 Clevis 1 4 1 5 5281 5 Clevis Pin 1 4 x 0 80 1 6 6541 3...

Page 51: ...nent Power Transmission GHS Models Refer to Body ChassisAssembly GHS Models Refer to GHS Group 2 3 4 F003 F032 7 1 F325 F186 5 6 F004 F091 Refer to Main Component Power Transmission GHS Models F183 BL...

Page 52: ...acer Lug 1 Kit 5500 No Catch Deflector Option Kit 6 7 Bushel Includes Items 6 14 fasteners listed and instructions May be ordered as a kit for dealer installation Contact your Walker dealer 6 8500 5 S...

Page 53: ...ricalAssemblies Body Components F128 6 7 8 10 F333 F030 F146 F002 F002 9 F128 6 1 2 3 5 1 12 11 14 13 4 Refer to GHS 10 0 Bushel CatcherAssembly F333 F030 F146 F002 F002 F128 F128 No Catch Deflector K...

Page 54: ...ered as a dealer installed option Contact your Walker dealer 1 8070 6 AT Wheel Tire RH LH 18 x 11 10 2 8070 7 AT Tire RH LH 18 x 11 10 8070 8 AT LP Wheel 10 x 8 5 8075 2 AT LP Tire Tube 18 x 11 10 2 8...

Page 55: ...ire Chain SetS Effective Date 06 15 10 Use only genuine Walker replacement parts Refer to Body ChassisAssembly GHS Models Refer to Body ChassisAssembly GHS Models Refer to Body ChassisAssembly GHS Mod...

Page 56: ...er Pivot Grease 1 Jackshaft Drive 21 ClutchActuator Push Rod Grease 2 22 PTO Clutch Lever Pivot Grease 1 23 Belt Tightener Pivot Grease 1 PTO Clutch 24 BrakeActuator Rod and Brake Oil 3 Band Pivot Pin...

Page 57: ...ve Date 06 15 10 Use only genuine Walker replacement parts 2 2 1 1 4 7 6 6 26 26 29 28 27 27 34 30 19 20 28 35 32 33 31 8 13 14 19 3 4 5 6 6 7 8 13 15 16 17 18 14 21 21 23 24 22 25 10 11 9 12 LUBRICAT...

Page 58: ...ERLOCK SWITCH OFF RELAY A IGNITION RELAY START PTO ON OPEN 30 87A 30 87A OFF RELAY B START RELAY START PTO ON OPEN OPEN 30 87 OFF RELAY C DELAY RELAY START RUN OPEN OPEN 30 87A WALKER MODEL MC Beginni...

Page 59: ...in the Owner s Manual for operation and maintenance B The customer shall pay any charges for making service calls and or for transporting the mower to and from the place where the inspection and or wa...

Page 60: ...WALKER MFG CO 5925 E HARMONYROAD FORT COLLINS CO 80528 970 221 5614 FORM NO 061510 PRINTED IN USA www walkermowers com 2010 WALKER MFG CO TM...

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