Snapper PRO HYDRO SPA361 User manual

Parts Manual fo
r
Revision IR,
PRO HYDRO WALK BEHIND MOWERS
SERIES 3
COPYRIGHT
©
2005
McDonough, GA, 30253 U.S.A.
TP 400-5073-IR-CW-N
7/8/2005 Manual No. 7006936
SNAPPER PRODUCTS, INC.
ALL RIGHTS RESERVED.
MID-SIZ
E
POWER UNIT
MODELS MOWER MODELS
SPLH153K
W
SPA361
SPLH173K
W
SPA481
SPA521
SPA611

Table Of Content
s
TP 400-5073-IR-CW-N
Manual No. 7006936PRO HYDRO WALK BEHIND MOWERS
SERIES 3 3
PAGE GROUP
4LOOP HANDLE & CONTROL ASSEMBLIES
6TRACKING CONTROL ASSEMBLY
8OIL TANK ASSEMBLY
10 FUEL TANK ASSEMBLY
12 REAR DECK ASSEMBLY
14 RH PUMP ASSEMBLY
16 LH PUMP ASSEMBLY
18 POWER UNIT IDLER ASSEMBLY
20 ENGINE GROUP
22 TRACTION, REAR WHEEL ASSEMBLY
24 CASTER, WHEEL & TIRE ASSEMBLY
26 36" MOWER DECK ASSEMBLY (Adjustable Height)
30 48", 52" & 61" MOWER DECK ASSY (Frame)
34 48", 52" & 61" MOWER DECK ASSY (Deck)
38 36" DECK IDLER ASSEMBLY
40 48" & 61" DECK IDLER ASSEMBLY
42 52" DECK IDLER ASSEMBLY
44 CUTTER HOUSING ASSEMBLY
46 DECAL GROUP
48 ELECTRICAL WIRING (Manual Start)
50 WIRING SCHEMATIC (Manual Start)

LOOP HANDLE & CONTROL ASSEMBLIES
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Manual No. 7006936 PRO HYDRO WALK BEHIND MOWERS
SERIES 3
4

LOOP HANDLE & CONTROL ASSEMBLIES
Footnotes
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Manual No. 7006936PRO HYDRO WALK BEHIND MOWERS
SERIES 3 5
Part No Descri
p
tionItem Qty 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
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)
9 7028856 2 CONTROL ROD, Traction (5/16-24 threads)
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 7091003 2 BOLT, 1/4-20 x 1-3/4” Hex Head Cap, GR 5 was 7091222
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 7072597 1 THROTTLE CONTROL, 51.50/0.90
31 7012080 4 CABLE TIE, 7”
32 7073118 1 *WIRE HARNESS not shown
33 7074852 1 *HARNESS, Wiring Pigtail not shown
34 7073141 1 SWITCH, Interlock, Sealed (NC)
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
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SERIES 3
6

TRACKING CONTROL ASSEMBLY
Footnotes
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Manual No. 7006936PRO HYDRO WALK BEHIND MOWERS
SERIES 3 7
Part No Descri
p
tionItem Qty 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 7090517 3 WASHER, 3/8” Flat was 7091300
19 7091130 1 WASHER, .33 x .88 x .09 Flat

OIL TANK ASSEMBLY
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Manual No. 7006936 PRO HYDRO WALK BEHIND MOWERS
SERIES 3
8

OIL TANK ASSEMBLY
Footnotes
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Manual No. 7006936PRO HYDRO WALK BEHIND MOWERS
SERIES 3 9
Part No Descri
p
tionItem Qty Note
1 7072899 1 COVER, Oil Tank Bracket
2 7015761 2 SHOULDER BOLT, 5/16-18
3 7091495 2 SCREW, 1/4-20 x 3/4” Hex Head Cap, GR 5
4 7091294 4 WASHER, .28 x .63 x .06 Flat
5 7072895 1 BRACKET, Reservoir, Hydro
6 7011079 2 WASHER, 3/8” Curved
7 7091298 6 NUT, 5/16-18 Hex Nyloc
8 7023295 2 U-NUT 1/4-20
9 7091705 2 NUT, 1/4-20 Hex Top Lock, GR B
10 7091303 4 BOLT, 5/16-18 x 1” Short Neck Carriage, GR 5
11 -- 2 GROMMET Dapco p/n 10672
12 -- 2 *ELBOW Dapco p/n 11021
13 -- 1 GROMMET Dapco p/n 12078
14 7073238 1 *ELBOW Dapco p/n 12183
15 7058610 1 OIL TANK (Includes Cap)
16 7035512 1 CAP, Oil Tank, Vented
17 7072896 1 RETAINING ROD, Reservoir (1/4-20 threads)
18 7012222 2 CLAMP, Fuel Hose
19 7016130 1 CLAMP, 13/16” Hose
20 7078029 2 HOSE, Return, 15-1/4” (7/16-20 Fitting on One End)
21 7072897 1 HOSE, 1/2 x 19-1/2” Supply (3/4-16 Fitting on One End)
22 7042584 1 WELDMENT, Tank Bracket- Hydro
*NOTE: Fittings must withstand pull test of 35 lbs. min.

FUEL TANK ASSEMBLY
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Manual No. 7006936 PRO HYDRO WALK BEHIND MOWERS
SERIES 3
10

FUEL TANK ASSEMBLY
Footnotes
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Manual No. 7006936PRO HYDRO WALK BEHIND MOWERS
SERIES 3 11
Part No Descri
p
tionItem Qty Note
1 7028903 1 CAP, Fuel Tank Kelch # 200972
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 7012222 6 CLAMP, Fuel Hose or 29900
7 7016325 1 VALVE, Fuel
8 7014359 1 FILTER, In-Line
9 7032956 1 *HOSE, Fuel (1/4” I.D. x 10” Long)
10 7024055 2 *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)
*NOTE: When ordering hoses, measure length of hose to be replaced or distance between connections.

REAR DECK ASSEMBLY
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Manual No. 7006936 PRO HYDRO WALK BEHIND MOWERS
SERIES 3
12

REAR DECK ASSEMBLY
Footnotes
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SERIES 3 13
Part No Descri
p
tionItem Qty Note
1 7044679 1 DECK, Rear (Weldment)
2 7046255 2 WHEEL MOTOR includes item 16
3 7091823 2 KEY, 5/32 x 5/8” Woodruff SAE J502
4 7091304 20 SCREW, 3/8-16 x 1” Hex Head Cap, GR 5
5 7091704 14 NUT, 3/8-16 Hex Top Lock, GR B
6 7091303 2 BOLT, 5/16-18 x 1” Short Neck Carriage, GR 5
7 7035267 1 BRACKET, Anti-Spin
8 7091706 3 NUT, 5/16-18 Hex Top Lock, GR B
9 7044751 1 KEY, 1/4” Square w/Bevel (3/4” long)
10 7027132 1 PULLEY, 4”, Engine/Hydro
11 7029615 1 V-BELT, HA4950 Engine/Hydro Dayco# 43-8498
12 7016561 1 BUSHING, 1” x 14 Ga Machine
13 7075084 2 SPACER,Clutch, Ogura
14 7035710 1 *V-BELT, Sect HB, Nom. Effective Length: 84.80” (Engine/Deck
belt)
used on 36” Deck
14 7029262 1 *V-BELT, Sect HB, Nom. Effective Length: 66.00” (Primary
Engine/Deck belt)
used on 48” Deck
14 7042813 1 *V-BELT, Sect HB, Nom. Effective Length: 67.80” (Engine/Deck
belt)
used on 52” Deck
14 7042735 1 *V-BELT, Sect HB, Nom. Effective Length: 74.00” (Primary
Engine/Deck belt)
used on 61” Deck
15 7075672 1 **CLUTCH, Electric (Ogura model GT2.5 SN01) requires use of 7017033,
7075082 & 7075084
16 7029704 1 BUMPER, Electric Clutch
17 7034448 1 WASHER, Rectangular Steel electric clutch bumper support
18 7091527 1 SCREW, 5/16-18 x 1-1/4” Hex Head Cap, GR 5
19 7075082 1 SPACER, Clutch
20 7091301 1 WASHER, 7/16” Split Lock
21 7017033 1 KEY, 1/4” Square x 2-1/4”
22 7092071 1 SCREW, 7/16-20 x 2-1/2” Hex Head Cap, GR 5 (w/locking
patch)
or 7091703
23 7034647 2 BRACKET, Wheel, Hydro Gear
24 7091320 8 WASHER, 3/8” Split Lock
25 7091828 1 NUT, 3/4-20 Hex Castle
26 7091528 1 WASHER, .375 I.D. x .875 O.D. Flat
*NOTE: Part numbers are printed on belts.
**NOTE: 7074223 (Clutch Ass'y.) includes items 8, 9, 10, 12, 13, 15-22 & 26.

RH PUMP ASSEMBLY
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SERIES 3
14

RH PUMP ASSEMBLY
Footnotes
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Manual No. 7006936PRO HYDRO WALK BEHIND MOWERS
SERIES 3 15
Part No Descri
p
tionItem Qty Note
1 7078030 1 HOSE ASSEMBLY, Pro Hydro Series 3 (13.5” hose length) filter to pump
2 7027111 2 FITTING, 90 Degree- “O”-Ring Boss
3 7091721 1 ROLL PIN, 5mm x 25mm
4 7072893 1 SHIFT ARM, Pump
5 7011223 1 PUMP, Hydraulic, RH, HG, Pro Ser. 3
6 7091528 4 WASHER, 3/8” I.D. x 7/8” O.D. x 1/16” Flat
7 7091704 2 NUT, 3/8-16 Hex Top Lock, GR B
8 7034926 2 FITTING, Hydraulic, Straight 3/4-16 UNF
9 7027181 2 BOLT, 3/8-16 x 1-1/4” Short Neck Carriage, GR 5
10 7029058 2 HOSE, Pump/Motor, High Pressure 21-1/2”
11 7027199 1 KEY, M5 x M20
12 7077680 2 SETSCREW- 1/4-20 x 3/8” Socket Head Knurled Cup Point
13 7091627 1 WASHER, 1/4” Flat
14 7027223 1 WASHER, 1/4” I.D. Split Lock
15 7091835 1 SCREW, M6 1.0 x 12mm Hex Head Cap
16 7027131 1 PULLEY, 5.5 w/Set Screws Includes two 1/4-20 set screws
17 7091705 1 NUT, 1/4-20 Hex Top Lock, GR B
18 7028863 1 ARM, Pump
19 7091575 1 NUT, 5/16-18 Hex Center Lock, GR 5 or B
20 7028862 1 ECCENTRIC
21 7090825 1 SCREW, 1/4-20 x 1-1/4, Hex Head Cap, GR 5
22 7091318 1 SCREW, 5/16-18 x 3/4” Hex Head Cap, GR 5
23 7091315 1 WASHER, .32 x .58 x .08 Split Lock
24 7029000 1 SPACER, Blade Hub
25 7027139 1 ROD END, Pump Control Linkage (5/16-24 thread)
26 7028907 2 BUSHING, Spring
27 7091527 2 SCREW, 5/16-18 x 1-1/4” Hex Head Cap, GR 5
28 7091706 2 NUT, 5/16-18 Hex Top Lock, GR B
29 7072579 1 SPRING, Hydro

LH PUMP ASSEMBLY
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SERIES 3
16

LH PUMP ASSEMBLY
Footnotes
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SERIES 3 17
Part No Descri
p
tionItem Qty Note
1 7011222 1 PUMP, Hydraulic, LH, HG, Pro Ser. 3
2 7091705 1 NUT, 1/4-20 Hex Top Lock, GR B
3 7027111 2 FITTING, 90 Degree- “O”-Ring Boss
4 7078030 1 HOSE ASSEMBLY, Pro Hydro Series 3 (13.5” hose length) filter to pump
5 7091721 1 ROLL PIN, 5mm x 25mm
6 7028863 1 ARM, Pump
7 7091575 1 NUT, 5/16-18 Hex Center Lock, GR 5 or B
8 7072893 1 SHIFT ARM, Pump
9 7091528 4 WASHER, 3/8” I.D. x 7/8” O.D. x 1/16” Flat
10 7027139 1 ROD END, Pump Control Linkage (5/16-24 thread)
11 7028907 2 BUSHING, Spring
12 7072579 1 SPRING, Hydro
13 7091527 2 SCREW, 5/16-18 x 1-1/4” Hex Head Cap, GR 5
14 7091706 2 NUT, 5/16-18 Hex Top Lock, GR B
15 7091318 1 SCREW, 5/16-18 x 3/4” Hex Head Cap, GR 5
16 7091315 1 WASHER, .32 x .58 x .08 Split Lock
17 7029000 1 SPACER, Blade Hub
18 7090825 1 SCREW, 1/4-20 x 1-1/4, Hex Head Cap, GR 5
19 7028862 1 ECCENTRIC
20 7034926 2 FITTING, Hydraulic, Straight 3/4-16 UNF
21 7029058 2 HOSE, Pump/Motor, High Pressure 21-1/2”
22 7027199 1 KEY, M5 x M20
23 7027131 1 PULLEY, 5.5 w/Set Screws Includes two 1/4-20 set screws
24 7077680 2 SETSCREW- 1/4-20 x 3/8” Socket Head Knurled Cup Point
25 7091627 1 WASHER, 1/4” Flat
26 7027223 3 WASHER, 1/4” I.D. Split Lock
27 7091835 1 SCREW, M6 1.0 x 12mm Hex Head Cap
28 7091704 2 NUT, 3/8-16 Hex Top Lock, GR B
29 7027181 2 BOLT, 3/8-16 x 1-1/4” Short Neck Carriage, GR 5
30 7027230 2 SCREW, 1/4-20 x 1” Hex Head Cap, GR 5
31 7027168 2 SCREW, 5/16-18 X 1” Hex Head Cap, GR 5
32 7075919 1 BRACKET, Filter
33 7091298 2 NUT, 5/16-18 Hex Nyloc
34 7078028 1 FITTING, Tee, 4-4-6 w/37 Degree Flare Parker p/n 4-4-6 S50X-S
35 5023096 1 FILTER HEAD
36 7078027 1 FITTING, 90 Degree w/37 Degree Flare Parker p/n 8-6 C50X-S
37 1719168 1 OIL FILTER

POWER UNIT IDLER ASSEMBLY
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SERIES 3
18

POWER UNIT IDLER ASSEMBLY
Footnotes
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Manual No. 7006936PRO HYDRO WALK BEHIND MOWERS
SERIES 3 19
Part No Descri
p
tionItem Qty Note
1 7027220 1 BOLT, 3/8-16 x 3-1/4” Hex Head, GR 5
2 7090517 2 WASHER, 3/8” Flat
3 7027129 1 PULLEY, Idler
4 7026886 1 IDLER ARM Weldment
5 7091299 4 NUT, 3/8-16 Hex Nyloc
6 7027124 1 SPRING, Idler Tension (extension)
7 7091704 1 NUT, 3/8-16 Hex Top Lock, GR B
8 7016561 1 BUSHING, 1” x 14 Ga Machine
9 7076998 1 GREASE FITTING, 1/4-28 Straight
10 7016173 1 SPACER, Pivot
11 7027221 2 BOLT, 3/8-16 x 3-1/2” Hex Head, GR 5

ENGINE GROUP
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SERIES 3
20