Snapper SPA521 Parts Manual
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Snapper SPA521 Parts Manual

Pro hydro mid-size walk behind mowers series 1 & 2
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COPYRIGHT © 2006
SNAPPER PRODUCTS, INC.
ALL RIGHTS RESERVED.
MID-SIZE WALK BEHIND MOWERS
Revision 4,
Parts Manual for
POWER UNIT
MODELS
SPLH141KH
SPLH141KW
SPLH141KWE
SPLH151KH
SPLH152KW
SPLH171KW
SPLH221KHE
SPLH231KHE
McDonough, GA, 30253 U.S.A.
11/7/2006
PRO HYDRO
SERIES 1 & 2
MOWER
MODELS
SP360
SP480
SP520
SPA360
SPA361
SPA480
SPA481
SPA520
SPA521
SPA610
SPA611
Manual No.
7006928
TP 400-5023-4-CW-N

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  • Page 1 MID-SIZE WALK BEHIND MOWERS COPYRIGHT © 2006 SNAPPER PRODUCTS, INC. ALL RIGHTS RESERVED. Parts Manual for POWER UNIT MODELS SPLH141KH SPLH141KW SPLH141KWE SPLH151KH SPLH152KW SPLH171KW SPLH221KHE SPLH231KHE McDonough, GA, 30253 U.S.A. Revision 4, 11/7/2006 PRO HYDRO SERIES 1 & 2...

  • Page 3: Table Of Contents

    PAGE GROUP LOOP HANDLE & CONTROL ASSEMBLIES TRACKING CONTROL ASSEMBLY OIL TANK ASSEMBLY (Model SPLH231KHE) OIL TANK ASSEMBLY (All Except SPLH231KHE) TANK BRACKET ASSEMBLY FUEL TANK ASSEMBLY REAR DECK ASSEMBLY PUMP AND SHELF ASSEMBLIES HOSE ASSEMBLY POWER UNIT IDLER ASSEMBLY TRACTION, REAR WHEEL ASSEMBLY ENGINE GROUP CASTER, WHEEL &...

  • Page 4: Loop Handle & Control Assemblies

    LOOP HANDLE & CONTROL ASSEMBLIES Manual No. 7006928 PRO HYDRO TP 400-5023-4-CW-N SERIES 1 & 2...
  • Page 5 LOOP HANDLE & CONTROL ASSEMBLIES Item Part No Description 7011138 IGNITION KEY, Pair 7012685 NUT, 5/8-32 Hex (Ignition Switch) 7012686 NUT, 1/2-27 Hex (Special) 7014341 RETAINING RING 7017817 SWITCH, Ignition, 2-Pole, Recoil Start 7027698 SWITCH, Ignition 7022166 ROD, Pivot, 1/2” Dia. x 18.542 w/2 retaining Ring Grooves 7027141 SWIVEL 7027225...
  • Page 6 LOOP HANDLE & CONTROL ASSEMBLIES Manual No. 7006928 PRO HYDRO TP 400-5023-4-CW-N SERIES 1 & 2...
  • Page 7 LOOP HANDLE & CONTROL ASSEMBLIES Item Part No Description 7041692 * HARNESS, Wiring Pigtail 7027226 * HARNESS, Wiring Pigtail 7046901 * HARNESS, Regulator 7073141 SWITCH, Interlock, Sealed (NC) 7073140 SWITCH, Interlock, Sealed (NO/NC) 7073139 BRACKET, Interlock Switch 7090376 NUT, #10-32 Hex Nyloc 7091240 SCREW, #10-32 x 5/8”...

  • Page 8: Tracking Control Assembly

    TRACKING CONTROL ASSEMBLY Manual No. 7006928 PRO HYDRO TP 400-5023-4-CW-N SERIES 1 & 2...

  • Page 9: Tracking Control Assembly

    TRACKING CONTROL ASSEMBLY Item Part No Description 7011879 GRIP, Vinyl 7013550 PIN, 3/16 x 1” Roll 7011121 WASHER, 5/8” I.D., 1-1/4” O.D. Belleville 7027125 SPRING, Compression 7027168 SCREW, 5/16-18 X 1” Hex Head Cap, GR 5 7027169 SCREW, 3/8-16 x 5” Hex Head Cap, GR 5 7028859 LEVER 7028860...

  • Page 10: Oil Tank Assembly (Model Splh231Khe

    OIL TANK ASSEMBLY (Model SPLH231KHE) Manual No. 7006928 PRO HYDRO TP 400-5023-4-CW-N SERIES 1 & 2...
  • Page 11 OIL TANK ASSEMBLY (Model SPLH231KHE) Item Part No Description 7026945 CAP, Hydraulic 7028972 TANK, Reservoir 7029039 PLUG, 1/4 NPTM Pipe 7029159 FITTING, 45 Degree 1/4 FPT Elbow 7027115 FITTING, 90 Degree 7027104 FITTING, Straight 1/4 7027105 FITTING, External 45 Degree w/37 Degree Flare 7028912 HOSE, 10-1/2”...

  • Page 12: Oil Tank Assembly (All Except Splh231Khe

    OIL TANK ASSEMBLY (All Except SPLH231KHE) Manual No. 7006928 PRO HYDRO TP 400-5023-4-CW-N SERIES 1 & 2...
  • Page 13 OIL TANK ASSEMBLY (All Except SPLH231KHE) Item Part No Description 7058610 OIL TANK (Includes Item 2) 7035512 CAP, Oil Tank, Vented 7016130 CLAMP, 13/16” Hose 7072897 HOSE, 1/2 x 19-1/2” Supply (3/4-16 Fitting on One End) 7072898 HOSE, 1/2 x 24-1/2” Return (7/16-20 Fitting on One End) 7072910 HOSE, Return, 10-1/2”...

  • Page 14: Tank Bracket Assembly

    TANK BRACKET ASSEMBLY Manual No. 7006928 PRO HYDRO TP 400-5023-4-CW-N SERIES 1 & 2...

  • Page 15: Tank Bracket Assembly

    TANK BRACKET ASSEMBLY Item Part No Description 7042584 WELDMENT, Tank Bracket- Hydro 7073073 BRACKET, Regulator 7034837 * STRAP, Battery Clamp 7091298 NUT, 5/16-18 Hex Nyloc 7028983 REGULATOR/RECTIFIER (Kawaaski p/n 21066-2071) 7047210 REGULATOR (Kawaaski p/n 21066-2070) 7027230 SCREW, 1/4-20 x 1” Hex Head Cap, GR 5 7091705 NUT, 1/4-20 Hex Top Lock, GR B 7024185...

  • Page 16: Fuel Tank Assembly

    FUEL TANK ASSEMBLY Manual No. 7006928 PRO HYDRO TP 400-5023-4-CW-N SERIES 1 & 2...

  • Page 17: Fuel Tank Assembly

    FUEL TANK ASSEMBLY Item Part No Description 7028903 CAP, Fuel Tank 7044639 FUEL TANK 7034923 STRAP, Tank 7091207 SCREW, #10-24 x 2-1/2” Pan Head Machine 7091290 NUT, #10-24 Hex Nyloc 7029900 CLAMP, Fuel Hose 7016325 VALVE, Fuel 7014359 FILTER, In-Line 7032956 * LINE, Fuel (1/4”...

  • Page 18: Rear Deck Assembly

    REAR DECK ASSEMBLY Manual No. 7006928 PRO HYDRO TP 400-5023-4-CW-N SERIES 1 & 2...
  • Page 19 REAR DECK ASSEMBLY Item Part No Description 7091807 WASHER, .468 x 1.38 x .25 Flat 7075082 SPACER, Clutch 7091301 WASHER, 7/16” Split Lock 7026978 BRACKET, Capacitor 7028680 SCREW, M10-1.5 x 65mm Hex Head Cap 7027266 BOLT, 7/16-20 x 3” Hex Head Cap, GR 5 7091703 SCREW, 7/16-20 x 2-1/2”...
  • Page 20 REAR DECK ASSEMBLY Manual No. 7006928 PRO HYDRO TP 400-5023-4-CW-N SERIES 1 & 2...
  • Page 21 REAR DECK ASSEMBLY Item Part No Description 7027206 BUSHING 7075084 SPACER,Clutch, Ogura 7016561 BUSHING, 1” x 14 Ga Machine Footnotes: NOTE: * Part numbers are printed on belts. PRO HYDRO SERIES 1 & 2 Note Manual No. 7006928 TP 400-5023-4-CW-N...

  • Page 22: Pump And Shelf Assemblies

    PUMP AND SHELF ASSEMBLIES Manual No. 7006928 PRO HYDRO TP 400-5023-4-CW-N SERIES 1 & 2...

  • Page 23: Pump And Shelf Assemblies

    PUMP AND SHELF ASSEMBLIES Item Part No Description 7091528 WASHER, 3/8” I.D. x 7/8” O.D. x 1/16” Flat 7091318 SCREW, 5/16-18 x 3/4” Hex Head Cap, GR 5 7029000 SPACER, Blade Hub 7028862 ECCENTRIC 7028863 ARM, Pump 7028907 BUSHING, Spring 7027127 HYDRAULIC PUMP 7027131...

  • Page 24: Hose Assembly

    HOSE ASSEMBLY Manual No. 7006928 PRO HYDRO TP 400-5023-4-CW-N SERIES 1 & 2...

  • Page 25: Hose Assembly

    HOSE ASSEMBLY Item Part No Description 7027106 FITTING, External 90 Degree w/37 Degree Flare 7027118 HOSE, 1/2 x 16-1/2” Long (3/4-16 Female Thread, Both Ends) 7072898 HOSE, 1/2 x 16-1/2” Long (7/16-20 Thread) 7027165 MOUNT, Oil Filter 7027200 FITTING, 7/16-20 Straight 7027108 FITTING, 7/16-20 Straight w/”O”-Ring 7028912...

  • Page 26: Power Unit Idler Assembly

    POWER UNIT IDLER ASSEMBLY Manual No. 7006928 PRO HYDRO TP 400-5023-4-CW-N SERIES 1 & 2...

  • Page 27: Power Unit Idler Assembly

    POWER UNIT IDLER ASSEMBLY Item Part No Description 7091704 NUT, 3/8-16 Hex Top Lock, GR B 7076998 GREASE FITTING, 1/4-28 Straight 7026886 IDLER ARM Weldment 7091300 WASHER, .44 x 1.0 x .08 Flat 7027129 PULLEY, Idler 7027220 BOLT, 3/8-16 x 3-1/4” Hex Head, GR 5 7016173 SPACER, Pivot 7027221...

  • Page 28: Traction, Rear Wheel Assembly

    TRACTION, REAR WHEEL ASSEMBLY Manual No. 7006928 PRO HYDRO TP 400-5023-4-CW-N SERIES 1 & 2...
  • Page 29 TRACTION, REAR WHEEL ASSEMBLY Item Part No Description 7058880 ASSEMBLY, Rear Tire & Rim 7058425 ASSEMBLY, Rear Tire & Rim, Turf Saver, Gray 7073526 TIRE, 16 x 6.50-8, 4 Ply (Carlisle “Turf Chief”) 7027189 RIM (White) 7075729 RIM (Gray) 7012234 AIR VALVE, Snap-In 7027192 LUG-NUT, 1/2-20 Tapered Seat...

  • Page 30: Engine Group

    ENGINE GROUP Manual No. 7006928 PRO HYDRO TP 400-5023-4-CW-N SERIES 1 & 2...

  • Page 31: Engine Group

    ENGINE GROUP Item Part No Description * ENGINE, 14HP Kawasaki * ENGINE, 14HP Kohler * ENGINE, 14HP Kawasaki Electric Start * ENGINE, 14HP Kawasaki Electric Start * ENGINE, 15HP Kohler * ENGINE, 15HP Kawasaki * ENGINE, 17HP Kawasaki * ENGINE, 17HP Kawasaki * ENGINE, 22HP Kohler * ENGINE, 23HP Kohler 7028959...

  • Page 32: Caster, Wheel & Tire Assembly

    CASTER, WHEEL & TIRE ASSEMBLY Manual No. 7006928 PRO HYDRO TP 400-5023-4-CW-N SERIES 1 & 2...
  • Page 33 CASTER, WHEEL & TIRE ASSEMBLY Item Part No Description 7029869 * ASSEMBLY, Wheel & Tire (White Rim); incl. items 2 thru 5 7057711 * ASSEMBLY, Wheel & Tire (Gray Rim); incl. items 2 thru 5 7022394 RETAINER, Flanged 7029870 TIRE, 9 x 3.50-4 7029871 RIM, One-Piece Steel (White) 7057737...

  • Page 34: Mower Deck Assembly (Fixed Height

    36" MOWER DECK ASSEMBLY (Fixed Height) Manual No. 7006928 PRO HYDRO TP 400-5023-4-CW-N SERIES 1 & 2...
  • Page 35 HINGE PIN, Chute 7029278 SPRING, Idler 7076940 SCREW, 5/16-18 x 4-1/2” Hex Head Cap, GR 5 7091313 COTTER PIN, 3/32 x 1” 7046580 DECAL, SNAPPER Pro w/Trademark 7058871 DEFLECTOR, 36” ANSI Compliant (Weldment) 7034963 COVER, 36” 7041295 PIVOT, Idler Arm (Weldment) 7054018 ASSEMBLY, Idler Arm, 36”...

  • Page 36: Mower Deck Assembly (Adjustable Height

    36" MOWER DECK ASSEMBLY (Adjustable Height) Manual No. 7006928 PRO HYDRO TP 400-5023-4-CW-N SERIES 1 & 2...
  • Page 37 SCREW, 5/16-18 x 4-1/2” Hex Head Cap, GR 5 7029355 BOLT, 1/2-13 x 3-3/4” Hex Head, GR 5 7091587 WASHER, 1/2” Flat 7046580 DECAL, SNAPPER Pro w/Trademark 7090613 NUT, 3/8-16 Hex Flange Lock 7058871 DEFLECTOR, 36” ANSI Compliant (Weldment) 7034964 ARM, Suspension, 12”...
  • Page 38 36" MOWER DECK ASSEMBLY (Adjustable Height) Manual No. 7006928 PRO HYDRO TP 400-5023-4-CW-N SERIES 1 & 2...
  • Page 39 36" MOWER DECK ASSEMBLY (Adjustable Height) Item Part No Description 7091299 NUT, 3/8-16 Hex Nyloc 7091304 SCREW, 3/8-16 x 1” Hex Head Cap, GR 5 7091305 SCREW, 3/8-16 x 2” Hex Head Cap, GR5 7091313 COTTER PIN, 3/32 x 1” 7091325 NUT, 1/2-13 Hex Nyloc 7091894...

  • Page 40: Mower Deck Assembly (Fixed Height

    48" & 52" MOWER DECK ASSEMBLY (Fixed Height) Manual No. 7006928 PRO HYDRO TP 400-5023-4-CW-N SERIES 1 & 2...
  • Page 41 HINGE PIN, Chute 7029278 SPRING, Idler 7029281 STANDOFF, 4-1/2” Long (5/16-18 thread top; 3/8-16 bottom) 7091313 COTTER PIN, 3/32 x 1” 7046580 DECAL, SNAPPER Pro w/Trademark 7058873 DEFLECTOR, 48” ANSI Compliant (Weldment) 7058285 DEFLECTOR, 52” Euro Chute 7054013 COVER, 48” Deck 7054014 COVER, 52”...

  • Page 42: Mower Deck Assy (Adj. Height) Pt.1

    48", 52" & 61" MOWER DECK ASSY (Adj. Height) Pt.1 Manual No. 7006928 PRO HYDRO TP 400-5023-4-CW-N SERIES 1 & 2...
  • Page 43 7029272 SPRING, Extension, Primary Idler 7029258 BUSHING, Suspension 7091587 WASHER, 1/2” Flat Footnotes: NOTE: * SNAPPER part number is printed on belt PRO HYDRO SERIES 1 & 2 Note replaces 7054036 (voided) 48” & 61” Decks 52” Deck 48” Deck 52”...
  • Page 44 48", 52" & 61" MOWER DECK ASSY (Adj. Height) Pt.1 Manual No. 7006928 PRO HYDRO TP 400-5023-4-CW-N SERIES 1 & 2...
  • Page 45 DEFLECTOR, Bottom (48”) 7300036 DEFLECTOR, Bottom (52”) 7091790 BOLT, 3/8-16 x 1-1/4” Square Neck Carriage, GR 5 Footnotes: NOTE: * SNAPPER part number is printed on belt PRO HYDRO SERIES 1 & 2 Note all models 48” & 52” Decks 61”...

  • Page 46: Mower Deck Assy (Adj. Height) Pt.2

    48", 52" & 61" MOWER DECK ASSY (Adj. Height) Pt.2 Manual No. 7006928 PRO HYDRO TP 400-5023-4-CW-N SERIES 1 & 2...
  • Page 47 SHIELD, Muffler (SPA610, SPA611) 7091318 SCREW, 5/16-18 x 3/4” Hex Head Cap, GR 5 7091298 NUT, 5/16-18 Hex Nyloc 7046580 DECAL, SNAPPER Pro w/Trademark 7029295 DECAL, Height of Cut 7043815 DECAL, Caution Handle May Be Hot (Adjustable Decks only) 7043816...

  • Page 48: Deck Idler Assembly

    36" DECK IDLER ASSEMBLY Manual No. 7006928 PRO HYDRO TP 400-5023-4-CW-N SERIES 1 & 2...
  • Page 49 36" DECK IDLER ASSEMBLY Item Part No Description 7034422 PULLEY, Idler (5.00 O. D.) 7091299 NUT, 3/8-16 Hex Nyloc 7091300 WASHER, .44 x 1.0 x .08 Flat 7012709 RING, 1” External Retaining 7046626 BUSHING 7042448 IDLER ARM, 36” (Weldment) 7076998 GREASE FITTING, 1/4-28 Straight 7091304 SCREW, 3/8-16 x 1”...

  • Page 50: Deck Idler Assembly

    48" & 61" DECK IDLER ASSEMBLY Manual No. 7006928 PRO HYDRO TP 400-5023-4-CW-N SERIES 1 & 2...
  • Page 51 48" & 61" DECK IDLER ASSEMBLY Item Part No Description 7029273 PULLEY, Idler 7034422 PULLEY, Flat Idler, 5” O.D. 7091299 NUT, 3/8-16 Hex Nyloc 7012709 RING, 1” External Retaining 7046626 BUSHING 7042452 WELDMENT, Idler Arm, Secondary 7042450 WELDMENT, Idler Arm, Primary 7035657 SPACER, Idler Pulley 7091300...

  • Page 52: Deck Idler Assembly

    52" DECK IDLER ASSEMBLY Manual No. 7006928 PRO HYDRO TP 400-5023-4-CW-N SERIES 1 & 2...
  • Page 53 PULLEY, Idler 7091300 WASHER, .44 x 1.0 x .08 Flat 7091299 NUT, 3/8-16 Hex Nyloc 7042775 WELDMENT, Primary Idler Arm, SPA521 7091497 SCREW, 3/8-16 x 1-1/2” Hex Head Cap, GR 5 7013847 RETAINER, 3/8” Bolt 7091302 NUT, 3/8-16 Hex, GR 5...

  • Page 54: Cutter Housing Assembly

    CUTTER HOUSING ASSEMBLY Manual No. 7006928 PRO HYDRO TP 400-5023-4-CW-N SERIES 1 & 2...
  • Page 55 CUTTER HOUSING ASSEMBLY Item Part No Description 7029422 BEARING, Sealed 7029270 WASHER, Spindle 7029274 SNAP-RING, Spindle Shaft 7059311 ASSEMBLY, Spindle Shaft 7029254 SPACER, Bearing 7029271 SPACER, Blade 7073395 BLADE, Commercial, 18” Low Lift 7073396 BLADE, 21” Low Lift 7075771 BLADE, 16-1/2” 7016440 WASHER, Beveled 7029256...

  • Page 56: Decals - Left & Right Panels

    DECALS - Left & Right Panels Manual No. 7006928 PRO HYDRO TP 400-5023-4-CW-N SERIES 1 & 2...
  • Page 57 DECALS - Left & Right Panels Item Part No Description 7074257 DECAL, Left Panel, Engine Control w/Choke 7075755 DECAL, Left Panel, Throttle w/Choke (Hydro) 7029311 DECAL, Left Panel, Engine Control w/o Choke 7073592 DECAL, Left Panel, Throttle w/o Choke (Hydro) 7029045 DECAL, Right Panel, Instruction 7073591...

  • Page 58: Decals - Instructions, Caution, Warning, Danger

    DECALS - Instructions, Caution, Warning, Danger Manual No. 7006928 PRO HYDRO TP 400-5023-4-CW-N SERIES 1 & 2...
  • Page 59 DECAL, Caution, Open Belt Drive 7073593 DECAL, Caution, Adjustment Handle 7043815 DECAL, Caution Handle May Be Hot (Adjustable Decks only) 7046580 DECAL, Snapper Pro w/Trademark (white letters) 7075568 DECAL, Snapper Pro w/Trademark (silver letters) 7074862 DECAL, Snapper Pro (silver, 16-1/2” long) 7024903 SNAPPER LOGO, 8”...

  • Page 60: Electrical Wiring (Manual Start

    ELECTRICAL WIRING (Manual Start) Manual No. 7006928 PRO HYDRO TP 400-5023-4-CW-N SERIES 1 & 2...
  • Page 61 ELECTRICAL WIRING (Manual Start) Item Part No Description 7073118 WIRING HARNESS 7027226 HARNESS, Wiring Pigtail 7041692 HARNESS, Wiring Pigtail 7074852 HARNESS, Wiring Pigtail 7028513 WIRE, Kohler Engine Ground Footnotes: PRO HYDRO SERIES 1 & 2 Note for all models except for Kohler 23HP for Kawasaki 14HP used on SPLH171KW only...

  • Page 62: Electrical Wiring- Loop Handle (Electric Start

    ELECTRICAL WIRING- LOOP HANDLE (Electric Start) Manual No. 7006928 PRO HYDRO TP 400-5023-4-CW-N SERIES 1 & 2...
  • Page 63 ELECTRICAL WIRING- LOOP HANDLE (Electric Start) Item Part No Description 7073117 WIRING HARNESS 7046901 HARNESS, Regulator, Kawasaki 7012444 COVER, Battery Cover 7014476 WIRE, Solenoid to Battery 7011859 WIRE, Negative 7029061 WIRE, Positive 7015063 CLIP, Battery Hose Footnotes: PRO HYDRO SERIES 1 & 2 Note red, 11”...

  • Page 64: Wiring Schematic (Manual Start

    WIRING SCHEMATIC (Manual Start) Manual No. 7006928 PRO HYDRO TP 400-5023-4-CW-N SERIES 1 & 2...
  • Page 65 WIRING SCHEMATIC (Manual Start) Item Part No Description 7073118 WIRING HARNESS Footnotes: PRO HYDRO SERIES 1 & 2 Note Manual No. 7006928 TP 400-5023-4-CW-N...

  • Page 66: Wiring Schematic (Electric Start

    WIRING SCHEMATIC (Electric Start) Manual No. 7006928 PRO HYDRO TP 400-5023-4-CW-N SERIES 1 & 2...
  • Page 67 WIRING SCHEMATIC (Electric Start) Item Part No Description 7073117 WIRING HARNESS Footnotes: PRO HYDRO SERIES 1 & 2 Note Manual No. 7006928 TP 400-5023-4-CW-N...
  • Page 70 PRO HYDRO MID-SIZE WALK BEHIND MOWERS SERIES 1 & 2 IT IS THE POLICY OF SNAPPER TO IMPROVE ITS PRODUCTS WHENEVER IT IS POSSIBLE AND PRACTICAL TO DO SO. WE RESERVE THE RIGHT TO MAKE CHANGES OR ADD IMPROVEMENTS AT ANY TIME WITHOUT INCURRING ANY OBLIGATION TO MAKE SUCH CHANGES ON PRODUCTS MANUFACTURED PREVIOUSLY.

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