AYP SP20PH48STA Parts List

SCHEMATIC

TRACTOR - MODEL NUMBER SP20PH48STA

AMMETER

(OPTIONAL)

RED

G

IGNITION

SWITCH

BLACK

RED

BLACK

BATTERY

SOLENOID

A

RED

FUSE

WHITE

WHITE

RED

WHITE

RED

M

STARTER

BLACK

CG

BLACK

S

B

M

A1

L

A2

CLUTCH / BRAKE

(PEDAL UP)

RED

BLACK

F

H

B

E

A

ORANGE

SEAT SWITCH

(NOT OCCUPIED)

PTO (DISENGAGED)

D

RED

ELECTRIC CLUTCH

BLACK

85 86

87

BLACK

30

87A

GREEN GREEN

BLUE

FUEL
LINE

BLUE

FUEL SHUT-OFF SOLENOID

HOUR

METER

(OPTIONAL)

BLACK

RED

BLACK

IGNITION

UNIT

CHARGING SYSTEM OUTPUT
16 AMP DC @ 3600 RPM

REGULATOR

OPERATOR

PRESENCE

RELAY #1

SPARK

PLUGS GAP

(2 PLUGS ON

TWIN CYL. ENGINES)

28 VOLTS AC @ 3600 RPM
(REGULATOR DISCONNECTED)

ALTERNATOR

IGNITION SWITCH

CIRCUITPOSITION

OFF

M+G+A1

B+A1RUN/LIGHT

B+A1RUN

B + S + A1START

“MAKE”

NONE

A2+L

NONE

NONE

WIRING INSULATED CLIPS
NOTE: IF WIRING INSULATED

CLIPS WERE REMOVED FOR
SERVICING OF UNIT, THEY
SHOULD BE REPLACED TO
PROPERLY SECURE YOUR WIRING.

PTO SWITCH

CIRCUITPOSITION

OFF

NON-REMOVABLE

CONNECTIONS

C + G, B + H

C + F, B + E, A + DON

REMOVABLE

CONNECTIONS

35

BROWN

87

87A

30

RELAY

HEADLIGHTS

8586

BLACK

G

FC

E

H

B

A

D

ELECTRICAL

REPAIR PARTS

TRACTOR -- MODEL NUMBER SP20PH48STA

22

21

24

43

41

40

26

42

27

27

81

25

16

33

30

48

50

D

.
C

.
A

M

P

E
R

E

S

45

29

10

11

55

28

27

12

2

1

8

12

36

ELECTRICAL

TRACTOR -- MODEL NUMBER SP20PH48STA

KEY PART
NO. NO. DESCRIPTION

1 144927 Battery
2 74760412 Bolt Hex Hd 1/4-20 UNC X 3/4
8 7603J Tray, Battery
10 145211 Bolt, BTR FRT 1/4-20 x 7.5
11 150109 Hold Down Battery, Front
12 145769 Nut, Push, Nylon
16 176138 Switch Interlock Push-In
21 175688 Harness Asm Light W/Bulbs
22 4152J Bulb Light
24 8860R Cable Battery
25 146148 Cable Batterywire
26 175158 Fuse
27 73510400 Nut Keps Hex 1/4-20 Unc
28 145491 Cable Ground
29 160784 Switch Plunger Normal OP Olive
30 175566 Switch Ign 4 pos w/lights
33 140401 Key Ign
40 179735 Harness Ign.
41 17720408 Bolt Blk Fin Hex 1/4-20 x 1/2
42 131563 Cover Terminal Red
43 178861 Solenoid
45 122822X Ammeter Rectangular
48 141940 Protection Wire Loop
50 174651 Switch, PTO
55 17490508 Screw Thdrol 5/16-18 x 1/2
79 175242 Bulbholder
81 109748X Relay Asm

NOTE: All component dimensions given in U.S. inches.
1 inch = 25.4 mm.

37

TRACTOR - MODEL NUMBER SP20PH48STA

CHASSIS AND ENCLOSURES

209

17

166

159

31

209

155

9

10

18

30

10

156
157

54

58

166

54

29

28

166

213

214

166

11

158

64

209

20

59

209

206

209

209

3

3

3

2

60

142

3

26

26

143

74

144

142
3

3

14

38

37

3

38

14

1

154

209

166

13

145

37

209

38

TRACTOR - MODEL NUMBER SP20PH48STA

CHASSIS AND ENCLOSURES

KEY PART
NO. NO. DESCRIPTION

1 174619 Chassis
2 176554 Drawbar
3 17060612 Screw 3/8-16x3/4
9 163976X428 Dash
10 72140608 Bolt 3/8-16 x 1
11 167203 Panel Dash Lh
13 178298 Panel Dash Rh
14 17490608 Screw Thdrol 3/8-16 x 1/2
17 175259X417 Hood
18 126938X Hood Bumper
20 162026 Plate Battery
26 73800600 Nut Lock Hex W/Ins 3/8-16 Unc
28 175289X428 Grille
29 179761 Light Asm. Bar
30 175692X417 Fender
31 139976 Bracket Fender
37 17490508 Screw Thdrol 6/16-18 x 1/2 TYT
38 175710 Bracket, Asm. Pivot Mower Rear
54 161464 Screw Hex Wshd 8-18 x 7/8
58 161236 Duct Hood
59 177579 Bushing Snap
60 72140606 Bolt RdHd Sqnk 3/8-16 Unc x 3/4
64 174997 Dash Lower
74 73680600 Nut Crownlock 3/8-16 Unc
142 175702 Plate Reinforcement STLT
143 154966 Bracket Swaybar Chassis
144 175582 Bracket Footrest
145 156524 Rod Pivot Chassis/Hood
154 161897 Bracket Dash Rh
155 161900 Bracket Dash Lh
156 163805 Striker Plate
157 163806 Magnet Stealth
158 162037 Bracket Parking Brake
159 155123X428 Cupholder
166 171875 Screw HwHd Hi-Lo #13-16 x 3/4
206 170165 Bolt Shoulder 5/16-18
209 17000612 Screw Hexwsh Thdrol 3/8-16 x 3/4
213 169848X428 Skirt Grille LH
214 169847X428 Skirt Grille RH

NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm

39