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Parts Manual for
21" STEEL DECK WALK BEHIND
COMMERCIAL MOWERS
SERIES 20
Model No. Description
7800772 CP218520
7800764 CRP218520
Briggs & Stratton Yard Power Products Group
535 Macon Road
Manual No. 7104803
McDonough, GA, 30253 U.S.A.
800-935-2967
Revision: - 3/11/2011
Not for
Reproduction
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Not for Reproduction
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Table Of Contents PAGE GROUP Handles & Controls Group 4 8 Engine, Deck & Blade Group Wheel & Height-of-Cut Assembly Group 10 12 Drive System, Self-Propelled Transmission - Differential Group 16 Side Chute, Adapter 18 Grass Bag & Accessories Group 20 Decals Group 22 21" STEEL DECK WALK BEHIND Manual No. 7104803 SERIES 20 TP 400-5485---WB-N 3 Not for Reproduction
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Handles & Controls Group Manual No. 7104803 21" STEEL DECK WALK BEHIND SERIES 20 4 Not for Reproduction
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Handles & Controls Group Item Part No Qty Description 1 7074411A 1 HANDLE, Upper 2 7023810 1 FOAM GRIP, 18.75” long 3 7074418A 1 BAIL, OPC Control 4 7034872 1 CLIP, Zone Control 5 7074156A 1 HANDLE, Middle 6 7033985A 1 HANDLE, Lower, Adjustable, LH 7 7033986A 1 HANDLE, Lower, Adjustable, RH 8 7074140 1 CONTROL PANEL, No Electric Switch 9 7900067 4 SCREW, 1/4-20 x .550” Pan Head Self-Tap (Torx) 10 7074473A 1 HANDLE, Clutch 11 7028407 1 GRIP, International Symbol 12 7023792 1 PIN, 1/4 x
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Handles & Controls Group Manual No. 7104803 21" STEEL DECK WALK BEHIND SERIES 20 6 Not for Reproduction
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Handles & Controls Group Item Part No Qty Description 45 7034162 1 COTTER PIN, 5/16” Self Lock 46 7090799 2 BOLT, 5/16-18 x 5/8” Round Head Short Square Neck, GR 5 BZ (Was7091026) 47 7091601 3 NUT, 5/16-18 Hex Flange Lock, GR 5, YZ 48 7046707A 2 BRACE, Handle 49 7090238 1 SCREW, 5/16-24 x 1” Hex Head Cap, GR 5, BZ 50 7090595 4 BOLT, 5/16-18 x 3/4” Hex Flange Lock 51 7091130 2 WASHER, .327 x .875 x .09 Flat, BZ 52 7090895 1 T-NUT, 5/16-18 53 7012114 1 BUSHING, Differential 54 7034179A 1 L
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Engine, Deck & Blade Group Manual No. 7104803 21" STEEL DECK WALK BEHIND SERIES 20 8 Not for Reproduction
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Engine, Deck & Blade Group Item Part No Qty Description 1 7600034D 1 WELDMENT, Deck, 21” Non-Adjust. Air 1 7500549D 1 WELDMENT, Deck, 21”, Self-Propelled, HV 2 7091508 3 BOLT, 5/16-18 x 3/4” Short Neck Carriage GR 5 (Was 7090001) 3 7091601 2 NUT, 5/16-18 Hex Flange Lock, GR 5, YZ (Was 7091070) 4 7046780 2 PLUG, Hole, Polyethylene 5 7090324 3 SCREW, 3/8-16 x 1” Self-Tapping 6 7074568 1 COVER, Belt 7 7091214 1 KEY, Woodruff #HP-506 Hi-Pro 8 7015780 1 PULLEY, Engine (25mm I. D. x 2-1/8” O.D.)
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Wheel & Height-of-Cut Assembly Group Manual No. 7104803 21" STEEL DECK WALK BEHIND SERIES 20 10 Not for Reproduction
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Wheel & Height-of-Cut Assembly Group Item Part No Qty Description 1 7090377 4 NUT, 7/16-20 Hex Center lock Jam, GR 5, YZ 2 7031960 2 HUBCAP 3 7035726 2 WHEEL, 10 x 1.75- Steel-D- (Self Propelled)- Gray 4 7031961 6 WASHER, 7/16” Flat 5 7091601 4 NUT, 5/16-18 Hex Flange Lock, GR 5 (Was 7091070) 6 7021119 1 AXLE, V21 7 7035727 2 WHEEL, 8 x 1.75- Steel - D- Gray 8 7031121 4 HUBCAP, V21 9 7054247 1 ASSEMBLY, Wheel Arm, Left Rear, Long (Was 7054231) 10 7054246 1 ASSEMBLY, Wheel Arm, Right Rear,
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Drive System, Self-Propelled Manual No. 7104803 21" STEEL DECK WALK BEHIND SERIES 20 12 Not for Reproduction
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Drive System, Self-Propelled Item Part No Qty Description 1 7091542 1 SCREW, 5/16-18 x 1/2” Pan Head Self-Tap (Torx) 2 7090391 1 WASHER, 5/16” Internal Tooth Lock 3 7034179A 1 LINK, Differential, Commercial 4 7011724 1 WASHER, Curved, .44 x .78 x .025 BZ 5 7012354 1 BELT, Poly-V, V21 6 7091576 1 NUT, 1/4-20 Hex, GR 5 or B, ZP (Was 7090063) 7 7090053 2 WASHER, 1/4” Internal Tooth Lock, YZ (Was 7091023) 8 7012616 1 SUPPORT, Guard 9 7091604 1 BOLT, 1/4-20 x 1/2” Short Square Neck Carriage, GR
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Drive System, Self-Propelled Manual No. 7104803 21" STEEL DECK WALK BEHIND SERIES 20 14 Not for Reproduction
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Drive System, Self-Propelled Item Part No Qty Description 45 7073528 1 DRIVE DISC, Steel 46 7017696 1 BUSHING 47 7090585 2 NUT, 5/16-18 Hex Flange Lock, GR 5 48 7029025 1 SPRING, Extension, .58 x 3.2 49 7090731 1 BOLT, 5/16-18 x 1/2” Short Square neck Carriage, GR 5 50 7090799 1 BOLT, 5/16-18 x 5/8” Round Head Short Square Neck, GR 5 BZ (Was 7091026) 51 7011791 1 RETAINER, 5/16” Bolt 52 7091302 1 NUT, 3/8-16 Hex, GR 5, YZ 53 7052987A 1 ASSEMBLY, Deck Bracket, P21S 54 7033774 1 BRACKET, D
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Transmission - Differential Group Manual No. 7104803 21" STEEL DECK WALK BEHIND SERIES 20 16 Not for Reproduction
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Transmission - Differential Group Item Part No Qty Description -- 7053943 1 ASSEMBLY, Transmission 1 7051908 1 ASSEMBLY, Right Hand Housing (Includes enclosed items) 2 7029034 1 HOUSING, Right Hand 3 7012314 1 SEAL, 5/8” ID 4 7073963 1 BALL BEARING, 1-1/8” O.D. 5 7029035 1 BEARING, Tapered, Differential Housing 6 7024442 3 GASKET, 5/8” O.D. 7 7014155 3 SCREW, 5/16-24 x 1-1/8” Rib Neck, GR 5 8 7053939 1 ASSEMBLY, Left Hand Housing 9 7029033 1 HOUSING, Left Hand 10 7090189 3 WASHER, 5/16
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Side Chute, Adapter Manual No. 7104803 21" STEEL DECK WALK BEHIND SERIES 20 18 Not for Reproduction
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Side Chute, Adapter Item Part No Qty Description 1 7047081 1 BAG ADAPTER, 21 2 7042965 1 CHUTE, 21” Side (accessory part) 3 7029149 1 COVER, 21” Deck 4 7091508 3 BOLT, 5/16-18 x 3/4” Short Neck Carriage GR 5 (Was 7090001) 5 7011791 1 RETAINER, 5/16” Bolt 6 7024340 1 SPACER, .316 I.D. x .375 O.D. x .310 thick 7 7090951 1 NUT, 5/16-18 Hex Large Flange Center Lock 8 7090189 2 WASHER, 5/16” Internal/External Lock 9 7101022 2 KNOB, Fluted, 5/16-18 x 1/2” Footnotes: Manual No. 21" STEEL DECK WA
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Grass Bag & Accessories Group Manual No. 7104803 21" STEEL DECK WALK BEHIND SERIES 20 20 Not for Reproduction
