AYP SO15538A RP Parts List
SCHEMATIC
TRACTOR -- MODEL NUMBER SO15538A
A
AMMETER
(OPTIONAL)
RED
B
G
L
IGNITION
SWITCH
BLACK
RED
BLACK
BATTERY
RED
FUSE
WHITE
RED
M
STARTER
BLACK
SOLENOID
S
M
A1
A2
CLUTCH / BRAKE
(PEDAL UP)
BLACK
BLACK
HOUR
METER
(OPTIONAL)
FUEL
BLUE
FUEL SHUT-OFF SOLENOID
(IF SO EQUIPPED)
LINE
ORANGE
WHITE
ATT'MENT CLUTCH
(CLUTCH OFF)
BLACK
BLACK
CHARGING SYSTEM OUTPUT
3 AMP DC @ 3600 RPM
RED
LIGHTING SYSTEM OUTPUT
5 AMP AC @ 3600 RPM
WHITE
IGNITION
UNIT
SEAT SWITCH
(NOT OCCUPIED)
BLACK
GROUNDING
CONNECTOR
SPARK
PLUG
GAP
(2 PLUGS ON
TWIN CYL. ENGINES)
28 VOLTS AC MIN. @ 3600 RPM
(CHARGING SYSTEM DISCONNECTED)
DIODE
ALTERNATOR
BLACK
IGNITION SWITCH
CIRCUITPOSITION
OFF
M+G+A1
B+A1RUN/LIGHT
B+A1RUN
B + S + A1START
“MAKE”
NONE
A2+L
NONE
NONE
14 VOLTS AC MIN. @ 3600 RPM (LIGHTS OFF)
NOTE
YOUR TRACTOR IS
EQUIPPED WITH A SPECIAL
BROWN
ALTERNATOR SYSTEM.
THE LIGHTS ARE NOT
CONNECTED TO THE
BATTERY, BUT HAVE THEIR
OWN ELECTRICAL SOURCE.
HEADLIGHTS
BECAUSE OF THIS, THE
BRIGHTNESS OF THE LIGHTS
WILL CHANGE WITH ENGINE
SPEED. AT IDLE THE LIGHTS
WILL DIM. AS THE ENGINE IS
SPEEDED UP, THE LIGHTS
NON-REMOVABLE
CONNECTIONS
WILL BECOME THEIR BRIGHTEST.
REMOVABLE
CONNECTIONS
WIRING INSULATED CLIPS
NOTE: IF WIRING INSULATED CLIPS WERE REMOVED FOR
SERVICING OF UNIT, THEY SHOULD BE REPLACED TO
PROPERLY SECURE YOUR WIRING.
BLACK
31
ELECTRICAL
22
21
24
REPAIR PARTS
TRACTOR -- MODEL NUMBER SO15538A
42
41
33
30
27
43
27
25
27
27
26
40
16
16
48
8
52
29
28
27
90
2
32
ELECTRICAL
TRACTOR -- MODEL NUMBER SO15538A
KEY PART
NO. NO. DESCRIPTION
1 163465 Battery
2 74760412 Bolt Hex Hd 1/4-20 unc x 3/4
8 176689 Box Battery
16 176138 Switch Interlock
21 183759 Harness Asm Light W/4152j
22 4152J Bulb Light #1156
24 4799J Cable Battery 6 Ga. 11"red
25 146147 Cable Battery
26 175158 Fuse 20 AMP
27 73510400 Nut Keps Hex 1/4-20 unc
28 4207J Cable Ground 6 Ga. 12"black
29 121305X Switch Plunger Nc Gray
30 175566 Switch Ign
33 140401 Key Ign
40 179720 Harness Ign
41 71110408 Bolt Blk Fin Hex 1/4-20
42 131563 Cover Terminal Red
43 178861 Solenoid
48 140844 Adapter Ammeter
52 141940 Protection Wire Loop
90 180449 Cover Terminal Battery
NOTE: All component dimensions given in U. S.
inches 1 inch = 25.4 mm
33
TRACTOR -- MODEL NUMBER SO15538A
CHASSIS AND ENCLOSURES
17
29
212
28
208
30
25
26
31
209
11
26
24
18
24
25
26
209
9
15
209
5
5
209
8
209
6
16
39
166
1
13
33
206
209
35
37
10
2
209
205
38
38
209
35
34
26
205
145
37
208
Chassis-Elite_Basic_LT_5
34
TRACTOR -- MODEL NUMBER SO15538A
CHASSIS AND ENCLOSURES
KEY PART
NO. NO. DESCRIPTION
1 174620 Chassis
2 176554 Drawbar, Stretch
5 155272 Bumper, Hood/Dash
6 174643X013 Saddle Silkscreen
8 155138 Clip Retainer Slide-On
9 168347X011 Dash
10 72140608 Bolt, Carriage 3/8-16 x 1
11 174996 Panel Dash LH
13 179174X010 Panel Slkscr Dash RH
15 74180512 Screw Mach TRHD 5/16-18 unc x 3/4
16 73510500 Nut Keps 5/16-18 unc
17 183394X417 Hood
18 184921 Bumper Hood
24 74780616 Bolt Fin Hex 3/8-16 unc x 1 Gr. 5
25 19131312 Washer 13/32 x 13/16 x 12 Ga.
26 73800600 Nut Lock Hex w/Ins 3/8-16 unc
28 183826 Grille/Lens Asm. (Includes #'s 29 and 212)
29 183824X599 Lens Grille Basic Bar
30 169465X417 Fender
31 136619 Bracket Fender Repl 109873X
33 179716X417 Footrest Pnt LH
34 179717X417 Footrest Pnt RH
35 72110606 Bolt Rdhd Sht Sqnk 3/8-16 x 3/4
37 17490508 Screw Thdrol 5/16-18 x 1/2 TYT
38 175710 Bracket Asm. Pivot Mower
39 174714 Bracket Pivot
145 156524 Rod Pivot Chassis/Hood
166 171875 Screw Hwhd Hi-Lo #13-16 x 5/8
205 17490608 Screw Thdrol 3/8-16 x 1/2
206 170165 Bolt Shoulder 5/16-18
208 17670608 Screw Thdrol 3/8-16 x 1/2
209 17000612 Screw Hex Wsh Thdrol 3/8-16
212 183823 Insert Lens Refl ect
--- 5479J Plug Button Blk 359 Dia Choke
NOTE: All component dimensions given in U. S.
inches 1 inch = 25.4 mm
35
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