Not for
Reproduction
Parts Manual fo
r
21" STEEL DECK WALK BEHIND
COMMERCIAL MOWERS
SERIES 20
DescriptionModel No.
7800772 CP218520
7800764 CRP218520
Briggs & Stratton Yard Power Products Group
535 Macon Road
McDonough, GA, 30253 U.S.A.
800-935-2967
Manual No.
Revision:
7104803
- 3/11/2011
Not for
Reproduction
Not for
Reproduction
s
PAGE GROUP
4
8
10
12
16
18
20
22
Handles & Controls Group
Engine, Deck & Blade Group
Wheel & Height-of-Cut Assembly Group
Drive System, Self-Propelled
Transmission - Differential Group
Side Chute, Adapter
Grass Bag & Accessories Group
Decals Group
Table Of Content
21" STEEL DECK WALK BEHIND
SERIES 20
Manual No.
3
TP 400-5485---WB-N
7104803
Not for
Reproduction
Handles & Controls Group
Manual No.
7104803 21" STEEL DECK WALK BEHIND
4
SERIES 20
Not for
Reproduction
Handles & Controls Group
Part No DescriptionItem Qty
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 1-1/2”
13 7014343 2 BUSHING, .27 x .35 x .4 Flange
14 7091020 1 PUSH-NUT, 1/4”
15 7079577 2 SCREW, 1/4-20 x 1-1/2” Hex Head Cap GR 5
16 7102593 1 CABLE, Zone Control, W14
17 7090053 5 WASHER, 1/4” Internal Tooth Lock, YZ
18 7091576 3 NUT, 1/4-20 Hex, GR 5
19 7023813 1 CLIP, Wiring Harness
20 7102594 1 THROTTLE CONTROL, (63.12” Long)
21 7075308 1 KNOB, Throttle
22 7090505 2 SCREW, 1/4-20 x 2” Hex Head Cap, GR 5
23 7028488 1 GUIDE, Rope (1/4-20 thread)
24 7076978 1 NUT, 1/4-28 Hex GR 5 or B
25 7034604 1 CONTROL, Clutch, 21”
26 7012121 1 COVER, Vinyl
27 7012122 1 SPRING, Clutch
28 7026219 1 CLAMP, 7/8” Double Cable
29 7091190 6 BOLT, 5/16-18 X1-1/2” Curved Head Square Neck, GR 2 BZ
30 7012080 1 CABLE-TIE, 7”
31 7090391 6 WASHER, 5/16” Internal Tooth Lock
32 7091511 6 NUT, 5/16-18 Hex, GR 5 or B, BZ (Was 7091069)
33 7074003 1 BRACKET, Shift
34 7091305 1 SCREW, 3/8-16 x 2” Hex Head Cap, GR 5
35 7031961 2 WASHER, 7/16” Flat
36 7028465 2 WASHER, Nylon
37 7074113 1 LEVER, Shift
38 7075182 1 KNOB, Shift
39 7091167 1 SCREW, #8-32 x 1/2” Cross Recess Filister Head Machine
40 7091018 1 NUT, #8-32 Hex
41 7028568 1 WASHER, Belleville
42 7091585 2 NUT, 3/8-16 Hex Center Lock
43 7074133 1 ROD, Speed Control
44 7090188 2 WASHER, .34 x .69 x .08 Flat, YZ
Footnotes:
SERIES 20
Manual No.
5
710480321" STEEL DECK WALK BEHIND
Not for
Reproduction
Handles & Controls Group
Manual No.
7104803 21" STEEL DECK WALK BEHIND
6
SERIES 20
Not for
Reproduction
Handles & Controls Group
Part No DescriptionItem Qty
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 LINK, Differential, Commercial (also part of Drive System Group)
55 7091606 1 NUT, 5/16-24 Hex Center Lock, GR B, BZ (Was 7091074)
56 7073913 1 BELL CRANK, Black Zinc
57 7015753 2 BALL JOINT
58 7090095 3 NUT, 1/4-28 Hex GR 5 or B, YZ
59 7091904 1 SCREW, 5/16-18 x 7/8” Hex Head Cap, GR 5 YZ
60 7073822A 1 BRACKET, Bell Crank
61 7090585 4 NUT, 5/16-18 Hex Flange Lock, GR 5
62 7013849 1 SPACER, .623 OD x .328 ID x .151 L
63 7091575 1 NUT, 5/16-18 Hex Center Lock
Footnotes:
SERIES 20
Manual No.
7
710480321" STEEL DECK WALK BEHIND
Not for
Reproduction
Engine, Deck & Blade Group
Manual No.
7104803 21" STEEL DECK WALK BEHIND
8
SERIES 20
Not for
Reproduction
Engine, Deck & Blade Group
Part No DescriptionItem Qty
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.)
9 7092086 1 SCREW, 5/16-18 x 1/2” Hex Socket Head
10 7101414 1 HUB, Blade Drive, 25mm I.D. RD 2 Position (used on 7800764 model)
11 7026691 1 BLADE, 21” Standard Lift (used on 7800772 model)
12 7012063 1 WASHER, Cone
13 7090167 1 SCREW, 3/8-24 x 2” Hex Head Cap, GR 5
14 7015626 1 HUB, Blade Drive, .25MM ID (used on 7800772 model)
15 7026407 1 BLADE, 21” Ninja (used on 7800764 model)
16 7029149 1 COVER, 21” Deck
17 7090189 2 WASHER, 5/16” Internal/External Lock
18 7101022 2 KNOB, Fluted, 5/16-18 x 1/2”
19 7011791 3 RETAINER, 5/16” Bolt
20 7024340 1 SPACER, .316 I.D. x .375 O.D. x .310 thick
21 7090951 1 NUT, 5/16-18 Hex Large Flange Center Lock
22 7091169 1 BOLT, 5/16-18 x 1-1/8 Round Head Short Square Neck, GR 5 ZP
23 121Q72-0119-F1 1 * ENGINE, 850 Series, W14
Footnotes:
NOTE: * Purchase engine parts from engine manufacturer dealer.
SERIES 20
Manual No.
9
710480321" STEEL DECK WALK BEHIND
Not for
Reproduction
Wheel & Height-of-Cut Assembly Group
Manual No.
7104803 21" STEEL DECK WALK BEHIND
10
SERIES 20
Not for
Reproduction
Wheel & Height-of-Cut Assembly Group
Part No DescriptionItem Qty
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, Long (Was 7054230)
11 7051885 1 ASSEMBLY, Front Wheel Arm, LH
12 7051886 1 ASSEMBLY, Front Wheel Arm, RH
13 7100633 4 GRIP, Height Latch
14 7035717 2 LATCH, Height Adjusting, (long)
15 7032723 1 ARM, Wheel, Left Rear
16 7032722 1 ARM, Wheel, Right Rear
17 7012312 2 BEARING, 9/16” ID
18 7091012 6 SCREW, #10-32 x 3/8” Hex Washer Self-Tap, BZ
19 7011078 2 BOLT, 5/16-18 x 1” Hex Washer Face Shoulder
20 7011791 4 RETAINER, 5/16” Bolt
21 7031016 1 WHEEL ARM, L.H. Front (Square Hole)
22 7031017 1 WHEEL ARM, R.H. Front (Round Hole)
23 7012325 2 LATCH, Height
24 7015761 2 BOLT, 5/16-18 x 3/4” Hex Washer Face Shoulder
Footnotes:
SERIES 20
11
Manual No.
710480321" STEEL DECK WALK BEHIND
Not for
Reproduction
Drive System, Self-Propelled
Manual No.
7104803 21" STEEL DECK WALK BEHIND
12
SERIES 20
Not for
Reproduction
Drive System, Self-Propelle
d
Part No DescriptionItem Qty
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 5 (Was 7090005)
10 7029008 1 FOOT GUARD, 21”
11 7023791 1 RING, Split, .68 x .93 x .44 (Black)
12 7090289 1 NUT, 3/8-24 Hex Center lock, GR 5, YZ
13 7091122 2 SCREW, 1/-20 x 1/2” Hex Flange Self-Tap (Was 7090539)
14 7031809 1 HOLDER, Bearing (Outer Half)
15 7011025 1 O-RING, V21
16 7028014 1 BALL BEARING, Spherical O.D., .38 I.D.
17 7031873 1 HOLDER, Bearing (Inner Half)
18 7012316 1 WASHER, .390 I. D. Flat
19 7019383 1 PULLEY, Poly-V, 2.00 O.D.
20 7091630 2 NUT, 3/8-24 Hex, GR 5, YZ
21 7090390 3 WASHER, 3/8” Internal Tooth Lock, BZ
22 7012111 1 STUD, Idler, (3/8-24 thread) YZ
23 7012126 1 SPRING, V21
24 7091025 1 SCREW, 1/4-28 x 1-3/8” Hex Head Cap, GR 5
25 7012124 1 PULLEY, Idler, V21
26 7090303 1 NUT, 1/4-28 Hex Top Lock, GR 5, BZ
27 7012122 1 SPRING, Clutch (also shown on Handles & Controls Group page)
28 7091597 1 COTTER PIN, 3/32 x 1/2” (Was 7090555)
29 7072284 1 HEX SHAFT (Heat Treated)
30 7090913 7 SCREW, #10-24 x 1/2” Hex Washer Self-Tap (Torx)
31 7031013 1 SIDE PLATE, Drive Tire
32 7023364 1 DRIVEN RING (Was 7010927)
33 7012125 1 GUIDE, Thrust Plate (3/8-24 thread)
34 7090981 4 SCREW, #10-32 x 1/4” Hex Washer self-Tap
35 7029027 1 BALL BEARING, 3/4” Bore, Commercial
36 7300977A 1 THRUST PLATE, Short
37 7010746 1 RETAINING RING, .625 External
38 7090122 1 WASHER, 3/8” Flat
39 7090095 2 NUT, 1/4-28 Hex GR 5 or B, YZ (also shown on Handles & Controls Group page)
40 7091294 2 WASHER, .28 x .63 x .065, Flat, YZ
41 7015753 1 BALL JOINT (also shown on Handles & Controls Group page)
42 7074145 1 LINK, Transfer (1/4-28 thread)
43 7090673 1 COTTER PIN, .06 x .50, YZ (Was 7091629)
44 7046784 1 BELT, Engine Drive (Stretch)
Footnotes:
SERIES 20
13
Manual No.
710480321" STEEL DECK WALK BEHIND
Not for
Reproduction
Drive System, Self-Propelled
Manual No.
7104803 21" STEEL DECK WALK BEHIND
14
SERIES 20
Not for
Reproduction
Drive System, Self-Propelle
d
Part No DescriptionItem Qty
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, Deck, P21S
55 7021758 1 SPACER, .65 OD x .500 ID x 1.75 L
56 7012306 2 BUSHING, Flange
57 7500154 1 ASSEMBLY, Idler Arm (Bushing & Spacer)
58 7032832A 1 ARM, Clutch Idler
59 7100447 1 SPACER, Idler Arm
60 7010121 1 WASHER, Shim, .75X1.0X.021
61 7051913 1 ASSEMBLY, Clutch Idler (incl. items 24, 25, 26, 56 (2), 58 & 59)
62 7061275 1 ASSEMBLY, Drive Disc, Square, P21S (incl. items 45, 46, 52, & 7013893)
63 7061276 1 KIT, Hub & Bushing (Was 7053217)
64 7017073 1 HUB, Driven Disc
65 7011108 1 BUSHING, Drive, Hex
66 7600109 1 ASSEMBLY, Driven Disc, Short, Commercial, MY08 (incl. items 20, 21, 30, 31, 32, 33, 34, 35,
36, 37, 38, 60 & 63)
Footnotes:
SERIES 20
15
Manual No.
710480321" STEEL DECK WALK BEHIND
Not for
Reproduction
Transmission - Differential Group
Manual No.
7104803 21" STEEL DECK WALK BEHIND
16
SERIES 20
Not for
Reproduction
Transmission - Differential Group
Part No DescriptionItem Qty
-- 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” Internal/External Lock
11 7051903A 1 WELDMENT, Differential Bracket
12 7092062 4 NUT, 5/16-24 Lock, GR C, YZ (Gripco part no. TLA-5624-S-GRC)
13 7019213 1 PULLEY, Poly-V
14 7092063 1 WASHER, .32 x 1.40 x .1 Cone, YZ
15 7091825 4 SCREW, 1/4-20 x 1” Hex Washer Self-Tap, YZ (Was 7092064)
16 7016544 1 PLUG, Transmission
17 7091720 1 WASHER, .453 x .75 x .073 Flat, YZ
18 7090557 4 SCREW, #10-32 x 1-1/2” Hex Head Cap, GR 5
19 7031970 2 PLATE, V21
20 7050767 1 ASSEMBLY, Input Gear
21 7031965 2 WASHER, Thrust, V21
22 7012500 4 SPACER, .700 OD x .480 ID x .380 L
23 7021115 4 GEAR, Differential Pinion, V21
24 7011110 4 SHAFT, V21
25 7012495 1 * GEAR, Differential (46 Tooth), V21
26 7050831 1 ASSEMBLY, Long Axle (Was 7051933)
27 7090376 4 NUT, #10-32 Hex Nyloc
28 7011774 1 GASKET, V21
29 7050830 1 ASSEMBLY, Short Axle (Was 7051932)
30 7012543 1 SPACER, .820 OD x .720 ID x .330 L
-- 7061017 32oz. ** “00” Grease (Not shown)
Footnotes:
NOTE: * 7060337 KIT, Transmission Gear (Incl. items 18, 19, 21, 22, 23, 24, 25, 27 & 30).
NOTE: ** Maximum capacity of transmission before causing leakage behind pulley is 4 oz. DO NOT OVERFILL!
SERIES 20
17
Manual No.
710480321" STEEL DECK WALK BEHIND
Not for
Reproduction
Side Chute, Adapter
Manual No.
7104803 21" STEEL DECK WALK BEHIND
18
SERIES 20
Not for
Reproduction
r
Part No DescriptionItem Qty
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”
Side Chute, Adapte
Footnotes:
SERIES 20
19
Manual No.
710480321" STEEL DECK WALK BEHIND
Not for
Reproduction
Grass Bag & Accessories Group
Manual No.
7104803 21" STEEL DECK WALK BEHIND
20
SERIES 20
Not for
Reproduction
Grass Bag & Accessories Group
Part No DescriptionItem Qty
-- 7058572 1 ASSEMBLY, Grass Bag (Slider Type)
1 7075766 1 GRASS BAG, Res. Slider w/Gray Letters
2 7050711 1 ASSEMBLY, Slider
3 7042489A 1 WELDMENT, Bag Connector
4 7019247 1 WIRE, Rear Bag
5 7058037 1 ASSEMBLY, Bag Adapter
6 7047081 1 BAG ADAPTER, 21
7 7047082A 1 BRACKET, Rope Pulley
8 7091984 1 SCREW, 5/16-18 x 1-1/4” Pan Head Machine
9 7012306 1 BUSHING, Flange
10 7024228 1 PULLEY, Nylon
11 7091601 1 NUT, 5/16-18 Hex Flange Lock, GR 5, YZ
12 7072107 3 WASHER, 5/32” Flat
13 7013860 3 RIVET, 3/16 x .344
14 7024340 1 SPACER, .316 I.D. x .375 O.D. x .310 thick
15 7101022 2 KNOB, Fluted, 5/16-18 x 1/2”
16 7011791 4 RETAINER, 5/16” Bolt
17 7091076 1 WASHER, 5/16” Flat
18 7090951 1 NUT, 5/16-18 Hex Large Flange Center Lock
19 7091508 2 BOLT, 5/16-18 x 3/4” Short Neck Carriage GR 5
20 7016814 1 PLUG, Chute Adapter (accessory item)
-- 7060440 KIT, Snapperizer (21” Hi-Vac Steel Deck Models) (other accessories not shown)
-- 7063041 KIT, Snapperizer (21” F & M Outlip Steel Deck Models) (other accessories not shown)
-- 7061200 KIT, Recycling Cover (other accessories not shown)
-- 7061201 KIT, Recycling Plug (Quad Blade) (other accessories not shown)
-- 7061256 KIT, Thatcherizer (other accessories not shown)
Footnotes:
SERIES 20
21
Manual No.
710480321" STEEL DECK WALK BEHIND
Not for
Reproduction
Decals Group
Manual No.
7104803 21" STEEL DECK WALK BEHIND
22
SERIES 20
Not for
Reproduction
Part No DescriptionItem Qty
1 7104148 1 DECAL, Logo, Snapper, 7.88”
2 7013010 1 DECAL, Danger, Cut Finger
3 7100984 1 DECAL, Warning/Danger, Walk-Behind-Mower
4 7075471 1 DECAL, Speed Shift
5 7029782 1 DECAL, OPC Bail International Symbol
6 7104873 1 DECAL, Snapper, Steel Deck
7 7075532 1 DECAL, Throttle Control, B&S
8 7046720 1 DECAL, Chute Deflector
Decals Group
Footnotes:
SERIES 20
23
Manual No.
710480321" STEEL DECK WALK BEHIND
Not for
Reproduction
Not for
Reproduction
Not for
Reproduction
Not for
Reproduction
Not for
Reproduction
Parts Manual fo
r
21" STEEL DECK WALK BEHIND
COMMERCIAL MOWERS
SERIES 20
IT IS THE POLICY OF BRIGGS & STRATTON CORP 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
Briggs & Stratton Yard Power Products Group
535 Macon Road
McDonough, GA, 30253 U.S.A.
800-935-2967
www.snapper.com
Copyright ©
Milwaukee, WI USA. All Rights Reserved
Briggs & Stratton Corporation
2011
Manual No.
Revision: - 3/11/2011
7104803
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