Snapper PRO HYDRO SPA521 User manual

Parts Manual fo
r
Revision 4,
PRO HYDRO
SERIES 1 & 2
COPYRIGHT
©
2006
McDonough, GA, 30253 U.S.A.
TP 400-5023-4-CW-N
11/7/2006 Manual No. 7006928
SNAPPER PRODUCTS, INC.
ALL RIGHTS RESERVED.
MID-SIZE WALK BEHIND MOWER
S
POWER UNIT
MODELS MOWER MODELS
SPLH141KH SP360
SPLH141K
W
SP480
SPLH141KW
E
SP520
SPLH151KH SPA360
SPLH152K
W
SPA361
SPLH171K
W
SPA480
SPLH221KH
E
SPA481
SPLH231KH
E
SPA520
SPA521
SPA610
SPA611

Table Of Content
s
TP 400-5023-4-CW-N
Manual No. 7006928PRO HYDRO
SERIES 1 & 2 3
PAGE GROUP
4LOOP HANDLE & CONTROL ASSEMBLIES
8TRACKING CONTROL ASSEMBLY
10 OIL TANK ASSEMBLY (Model SPLH231KHE)
12 OIL TANK ASSEMBLY (All Except SPLH231KHE)
14 TANK BRACKET ASSEMBLY
16 FUEL TANK ASSEMBLY
18 REAR DECK ASSEMBLY
22 PUMP AND SHELF ASSEMBLIES
24 HOSE ASSEMBLY
26 POWER UNIT IDLER ASSEMBLY
28 TRACTION, REAR WHEEL ASSEMBLY
30 ENGINE GROUP
32 CASTER, WHEEL & TIRE ASSEMBLY
34 36" MOWER DECK ASSEMBLY (Fixed Height)
36 36" MOWER DECK ASSEMBLY (Adjustable Height)
40 48" & 52" MOWER DECK ASSEMBLY (Fixed Height)
42 48", 52" & 61" MOWER DECK ASSY (Adj. Height) Pt.1
46 48", 52" & 61" MOWER DECK ASSY (Adj. Height) Pt.2
48 36" DECK IDLER ASSEMBLY
50 48" & 61" DECK IDLER ASSEMBLY
52 52" DECK IDLER ASSEMBLY
54 CUTTER HOUSING ASSEMBLY
56 DECALS - Left & Right Panels
58 DECALS - Instructions, Caution, Warning, Danger
60 ELECTRICAL WIRING (Manual Start)
62 ELECTRICAL WIRING- LOOP HANDLE (Electric Start)
64 WIRING SCHEMATIC (Manual Start)
66 WIRING SCHEMATIC (Electric Start)

LOOP HANDLE & CONTROL ASSEMBLIES
TP 400-5023-4-CW-N
Manual No. 7006928 PRO HYDRO
SERIES 1 & 2
4

LOOP HANDLE & CONTROL ASSEMBLIES
Footnotes:
TP 400-5023-4-CW-N
Manual No. 7006928PRO HYDRO
SERIES 1 & 2 5
Part No Descri
p
tionItem Qt
y
Note
1 7011138 1 IGNITION KEY, Pair
2 7012685 1 NUT, 5/8-32 Hex (Ignition Switch)
3 7012686 1 NUT, 1/2-27 Hex (Special)
4 7014341 2 RETAINING RING Truarc #5133-50
5 7017817 1 SWITCH, Ignition, 2-Pole, Recoil Start (except Kohler 23HP)
5 7027698 1 SWITCH, Ignition used on Kohler 23HP
6 7022166 1 ROD, Pivot, 1/2” Dia. x 18.542 w/2 retaining Ring Grooves
7 7027141 2 SWIVEL
8 7027225 1 SWITCH, OPC, Single Pole (NC) used on Loop Handle except
Kohler 23HP
8 7023355 1 SWITCH, OPC, (NO/NC) used on Kohler 18HP
9 7028856 2 CONTROL ROD (Traction)
10 7028857 4 BEARING, Nyliner
11 7074648 1 ROD, Operator Presence Control
12 7029139 1 SPRING, OPC- Loop Handle
13 7029715 1 SWITCH, Toggle
14 7034827 1 PANEL, Left
15 7034828 1 PANEL, Right
16 7041748 1 BAIL, Operator Presence Control (Weldment)
17 7091303 4 BOLT, 5/16-18 x 1” Short Neck Carriage, GR 5
18 7090977 2 NUT, 1/4-20 Hex Jam
19 7091222 2 BOLT, 1/4-20 x 1-3/4” Hex Head Cap, GR 5
20 7091030 2 BUSHING, 1/2” Machine
21 7091122 8 SCREW, 1/4-20 x 1/2” Hex Washer Self-Tap
22 7091297 2 NUT, 5/16-24 Hex, GR 5
23 7091299 4 NUT, 3/8-16 Hex Nyloc
24 7077873 2 SCREW, #12-14 x 1/2” Hex Flange Self-Tap
25 7091594 2 COTTER PIN, 1/2” Self-Locking
26 7091686 2 SCREW, 1/4-20 x 3/4” Hex Washer Self-Tap
27 7034820 1 WELDMENT, Traction Lever, RH
28 7034821 1 WELDMENT, Traction Lever, LH
29 7043869 1 HANDLE, Loop (Weldment)
30 7029100 1 THROTTLE CONTROL, 40.50/1.46 used on Kawasaki 14HP &
Kohler 15HP
30 7072597 1 THROTTLE CONTROL, 51.50/0.90 used on Kawasaki 17HP
30 7036431 1 THROTTLE CONTROL, 48.50/0.90 used on Kohler 23HP
31 7012080 4 CABLE TIE, 7”
32 7073118 1 * WIRE HARNESS not shown; for all models except
for Kohler 23HP
32 7073117 1 * WIRE HARNESS not shown; used on Kohler 23HP
NOTE: * See Electrical Wiring pages for Illustration.

LOOP HANDLE & CONTROL ASSEMBLIES
TP 400-5023-4-CW-N
Manual No. 7006928 PRO HYDRO
SERIES 1 & 2
6

LOOP HANDLE & CONTROL ASSEMBLIES
Footnotes:
TP 400-5023-4-CW-N
Manual No. 7006928PRO HYDRO
SERIES 1 & 2 7
Part No Descri
p
tionItem Qt
y
Note
33 7041692 1 * HARNESS, Wiring Pigtail not shown; used on
SPLH171KW only
33 7027226 1 * HARNESS, Wiring Pigtail not shown; used on
SPLH141KW only
33 7046901 1 * HARNESS, Regulator not shown, used on
SPLH141KWE only
34 7073141 1 SWITCH, Interlock, Sealed (NC)
34 7073140 1 SWITCH, Interlock, Sealed (NO/NC) used on Electric Start only
35 7073139 1 BRACKET, Interlock Switch
36 7090376 2 NUT, #10-32 Hex Nyloc
37 7091240 2 SCREW, #10-32 x 5/8” Hex Machine
NOTE: * See Electrical Wiring pages for Illustration.

TRACKING CONTROL ASSEMBLY
TP 400-5023-4-CW-N
Manual No. 7006928 PRO HYDRO
SERIES 1 & 2
8

TRACKING CONTROL ASSEMBLY
Footnotes:
TP 400-5023-4-CW-N
Manual No. 7006928PRO HYDRO
SERIES 1 & 2 9
Part No Descri
p
tionItem Qt
y
Note
1 7011879 1 GRIP, Vinyl
2 7013550 1 PIN, 3/16 x 1” Roll
3 7011121 2 WASHER, 5/8” I.D., 1-1/4” O.D. Belleville
4 7027125 1 SPRING, Compression
5 7027168 2 SCREW, 5/16-18 X 1” Hex Head Cap, GR 5
6 7027169 1 SCREW, 3/8-16 x 5” Hex Head Cap, GR 5
7 7028859 1 LEVER
8 7028860 2 BUSHING
9 7029040 4 WASHER, Slipper
10 7034803 2 PIN, Shoulder
11 7034830 1 CAM, Track
12 7034877 2 PLATE, Speed, Accutrack
13 7091299 1 NUT, 3/8-16 Hex Nyloc
14 7091706 2 NUT, 5/16-18 Hex Top Lock, GR B
15 7019376 1 HANDLE, Shift Lever
16 7059115 1 WELDMENT, Neutral Latch
17 7041772 1 TRACK, Welded
18 7091300 3 WASHER, .44 x 1.0 x .08 Flat
19 7091130 1 WASHER, .33 x .88 x .09 Flat

OIL TANK ASSEMBLY (Model SPLH231KHE)
TP 400-5023-4-CW-N
Manual No. 7006928 PRO HYDRO
SERIES 1 & 2
10

OIL TANK ASSEMBLY (Model SPLH231KHE)
Footnotes:
TP 400-5023-4-CW-N
Manual No. 7006928PRO HYDRO
SERIES 1 & 2 11
Part No Descri
p
tionItem Qt
y
Note
1 7026945 1 CAP, Hydraulic
2 7028972 1 TANK, Reservoir
3 7029039 1 PLUG, 1/4 NPTM Pipe
4 7029159 2 FITTING, 45 Degree 1/4 FPT Elbow
5 7027115 1 FITTING, 90 Degree
6 7027104 2 FITTING, Straight 1/4
7 7027105 2 FITTING, External 45 Degree w/37 Degree Flare
8 7028912 2 HOSE, 10-1/2” Long (7/16-20 Female Thread)

OIL TANK ASSEMBLY (All Except SPLH231KHE)
TP 400-5023-4-CW-N
Manual No. 7006928 PRO HYDRO
SERIES 1 & 2
12

OIL TANK ASSEMBLY (All Except SPLH231KHE)
Footnotes:
TP 400-5023-4-CW-N
Manual No. 7006928PRO HYDRO
SERIES 1 & 2 13
Part No Descri
p
tionItem Qt
y
Note
1 7058610 1 OIL TANK (Includes Item 2)
2 7035512 1 CAP, Oil Tank, Vented
3 7016130 1 CLAMP, 13/16” Hose
4 7072897 1 HOSE, 1/2 x 19-1/2” Supply (3/4-16 Fitting on One End)
5 7072898 1 HOSE, 1/2 x 24-1/2” Return (7/16-20 Fitting on One End)
6 7072910 1 HOSE, Return, 10-1/2” (7/16-20 Fitting on One End)
7 7072899 1 COVER, Oil Tank Bracket
8 7072895 1 BRACKET, Reservoir, Hydro
9 7072896 1 RETAINING ROD, Reservoir (1/4-20 threads)
10 7091705 1 NUT, 1/4-20 Hex Top Lock, GR B
11 7015761 2 SHOULDER BOLT, 5/16-18
12 7011079 2 WASHER, 3/8” Curved
13 7091298 6 NUT, 5/16-18 Hex Nyloc
14 7091495 2 SCREW, 1/4-20 x 3/4” Hex Head Cap, GR 5
15 7091294 2 SHOULDER BOLT, 3/8-16 x 2-7/16”
16 7023295 2 U-NUT 1/4-20
17 7091303 4 BOLT, 5/16-18 x 1” Short Neck Carriage, GR 5
18 7029900 2 CLAMP, Fuel Hose

TANK BRACKET ASSEMBLY
TP 400-5023-4-CW-N
Manual No. 7006928 PRO HYDRO
SERIES 1 & 2
14

TANK BRACKET ASSEMBLY
Footnotes:
TP 400-5023-4-CW-N
Manual No. 7006928PRO HYDRO
SERIES 1 & 2 15
Part No Descri
p
tionItem Qt
y
Note
1 7042584 1 WELDMENT, Tank Bracket- Hydro
2 7073073 1 BRACKET, Regulator
3 7034837 1 * STRAP, Battery Clamp
4 7091298 2 NUT, 5/16-18 Hex Nyloc
5 7028983 1 REGULATOR/RECTIFIER (Kawaaski p/n 21066-2071) used on Kawasaki Manual Start
only
5 7047210 1 REGULATOR (Kawaaski p/n 21066-2070) used on Kawasaki Electric Start
only
6 7027230 4 SCREW, 1/4-20 x 1” Hex Head Cap, GR 5
7 7091705 2 NUT, 1/4-20 Hex Top Lock, GR B
8 7024185 1 CABLE, Choke (Incl. hardware) used on Kohler 23 HP
9 7027168 2 SCREW, 5/16-18 X 1” Hex Head Cap, GR 5
10 7091304 6 SCREW, 3/8-16 x 1” Hex Head Cap, GR 5
11 7091299 6 NUT, 3/8-16 Hex Nyloc
12 7091304 1 SCREW, 3/8-16 x 1” Hex Head Cap, GR 5
13 7091704 2 NUT, 3/8-16 Hex Top Lock, GR B
14 7041765 1 * TRAY, Battery
15 7034851 1 * BRACE, Battery
16 7018604 1 * SOLENOID, 12 Volt
17 7091495 2 SCREW, 1/4-20 x 3/4” Hex Head Cap, GR 5
18 7091705 2 NUT, 1/4-20 Hex Top Lock, GR B
19 7091314 2 * WASHER, 1/4” Internal Tooth lock
20 7091576 2 * NUT, 1/4-20 Hex, GR 5 or B
21 7028913 2 * J-BOLT, 1/4-20 thread
22 7090311 2 * NUT, 1/4-20 Wing or 7091568
23 7060974 1 * KIT, Battery
NOTE: * Items marked with an * are used on Electric Start Models only.

FUEL TANK ASSEMBLY
TP 400-5023-4-CW-N
Manual No. 7006928 PRO HYDRO
SERIES 1 & 2
16

FUEL TANK ASSEMBLY
Footnotes:
TP 400-5023-4-CW-N
Manual No. 7006928PRO HYDRO
SERIES 1 & 2 17
Part No Descri
p
tionItem Qt
y
Note
1 7028903 1 CAP, Fuel Tank
2 7044639 1 FUEL TANK includes item 1
3 7034923 2 STRAP, Tank
4 7091207 2 SCREW, #10-24 x 2-1/2” Pan Head Machine
5 7091290 2 NUT, #10-24 Hex Nyloc
6 7029900 6 CLAMP, Fuel Hose replaces 7012222 clamp
7 7016325 1 VALVE, Fuel
8 7014359 1 FILTER, In-Line used on Kawasaki models only
9 7032956 1 * LINE, Fuel (1/4” I.D. x 10” Long)
10 7024055 1 * HOSE, Fuel (1/4” I.D. x 6-1/2” Long)
11 7076272 1 * HOSE, Fuel (1/4” I. D. x “ 8-1/2 Long) not shown
12 7073240 1 * HOSE, Fuel (1/4” I. D. x 5” Long)
13 7077351 1 * HOSE, Fuel (1/4” I.D. x 3-1/2” Long) not shown
NOTE: * When ordering hoses, measure length of hose to be replaced or distance between connections.

REAR DECK ASSEMBLY
TP 400-5023-4-CW-N
Manual No. 7006928 PRO HYDRO
SERIES 1 & 2
18

REAR DECK ASSEMBLY
Footnotes:
TP 400-5023-4-CW-N
Manual No. 7006928PRO HYDRO
SERIES 1 & 2 19
Part No Descri
p
tionItem Qt
y
Note
1A 7091807 1 WASHER, .468 x 1.38 x .25 Flat
1B 7075082 1 SPACER, Clutch
2 7091301 1 WASHER, 7/16” Split Lock replaces 7090247
3 7026978 1 BRACKET, Capacitor Kawasaki Engines only
4 7028680 1 SCREW, M10-1.5 x 65mm Hex Head Cap used on Kawasaki 14HP
4 7027266 1 BOLT, 7/16-20 x 3” Hex Head Cap, GR 5 used on Kawasaki 17HP and
Kohler 15HP
4 7091703 1 SCREW, 7/16-20 x 2-1/2” Hex Head Cap, GR 5
5 7012830 2 KEY, 3/16” Square x 3/4”
6 7015861 1 CLIP, Harness (for battery drain hose) used on SPLH141KWE only
7 7034802 2 BRACKET, Wheel
8 7034829 1 BRACKET, Clutch
9 7091303 1 BOLT, 5/16-18 x 1” Short Neck Carriage, GR 5
10 7091527 3 SCREW, 5/16-18 x 1-1/4” Hex Head Cap, GR 5
11 7091304 12 SCREW, 3/8-16 x 1” Hex Head Cap, GR 5
12 7091706 5 NUT, 5/16-18 Hex Top Lock, GR B
13 7091704 14 NUT, 3/8-16 Hex Top Lock, GR B
14 7017063 1 CLUTCH, Electric (Warner)
14A 7072400 1 CLUTCH, Electric (Ogura) On Models SPLH231KHE,
SPLH152KW & SPLH172KW
14B 7075672 1 CLUTCH, Electric (Ogura model GT2.5 SN01) requires use of 7017033,
7075082 & 7075084
15 7044679 1 DECK, Rear (Weldment)
16 7027194 2 PACK NUT, 3/4-28 UNEF-2A Thread
17 7091318 3 SCREW, 5/16-18 x 3/4” Hex Head Cap, GR 5
18 7027235 1 CAPACITOR, Kawasaki Engine Kawasaki p/n 21013-2064
19 7029615 1 V-BELT, HA4950 Engine/Hydro
20 7027128 2 WHEEL MOTOR w/Pack Nut includes item 16
21 7029704 1 BUMPER, Electric Clutch
22 7034448 1 WASHER, Rectangular Steel electric clutch bumper support
23 7027132 1 PULLEY, 4”, Engine/Hydro
24A 7044751 1 KEY, 1/4” Square w/Bevel
24B 7010210 1 KEY, 1/4” Square x 2” used on SPLH231KHE only
25 7035710 1 * V-BELT, Sect HB, Nom. Eff. Length: 84.80” (Engine/Deck belt) used on 36” Deck
25 7029262 1 * V-BELT, Sect HB, Nom. Eff. Length: 66.00” (Primary
Engine/Deck belt)
used on 48” Deck
25 7042813 1 * V-BELT, Sect HB, Nom. Eff. Length: 67.80” (Engine/Deck belt) used on 52” Deck
25 7042735 1 * V-BELT, Sect HB, Nom. Eff. Length: 74.00” (Primary
Engine/Deck belt)
used on 61” Deck
26 7015861 1 CLIP, Harness used on SPLH231KHE
27A 7074867 1 KEY, 1/4” Square x 2-1/2”
27B 7017033 1 KEY, 1/4” Square x 2-1/4”
NOTE: * Part numbers are printed on belts.

REAR DECK ASSEMBLY
TP 400-5023-4-CW-N
Manual No. 7006928 PRO HYDRO
SERIES 1 & 2
20