AYP SO174SSTA User Manual
TRACTOR -- MODEL NUMBER SO1742STA, PRODUCT NO. 954 57 03-52
SCHEMATIC
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.
31
BLACK
REPAIR PARTS
TRACTOR -- MODEL NUMBER SO1742STA, PRODUCT NO. 954 57 03-52
ELECTRICAL
22
21
42
24
41
33
30
27
43
27
25
27
27
26
40
16
16
48
8
52
29
28
27
90
2
32
TRACTOR -- MODEL NUMBER SO1742STA, PRODUCT NO. 954 57 03-52
ELECTRICAL
KEY PART
NO. NO. DESCRIPTION
1 163465 Battery
2 74760412 Bolt Hex Hd 1/4-20unc X 3/4
8 176689 Box Battery Fender
16 176138 Switch Interlock
21 175685 Harness Asm Light W/4152J
22 4152J Bulb Light #1156
24 4799J Cable Battery 6 Ga 11"red
25 146147 Cable Battery 6 Ga w/16 wire,red
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 X 1/2
42 131563 Cover Terminal Red
43 178861 Solenoid
48 140844 Adapter Ammeter Rectangular
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 SO1742STA, PRODUCT NO. 954 57 03-52
CHASSIS AND ENCLOSURES
212
17
208
26
30
11
25
31
209
209
24
18
12
28
24
25
26
5
5
9
209
207
26
208
53
64
51
52
55
57
54
29
206
3
35
3
3
2
33
3
142
3
10
37
3
3
142
14
38
3
3
35
14
34
145
37
1
13
26
chassis-pl.lt_stlt_50
208
34
TRACTOR -- MODEL NUMBER SO1742STA, PRODUCT NO. 954 57 03-52
CHASSIS AND ENCLOSURES
KEY PART
NO. NO. DESCRIPTION
1 174619 Chassis
2 176554 Drawbar
3 17060612 Screw 3/8-16x.75
5 155272 Bumper Hood/Dash
9 168336X010 Dash P/L
10 72140608 Bolt Carriage 3/8-16 x 1
11 174996 Panel Dash Lh
12 145660 Clip Tinnerman
13 172105X010 Panel Dash Rh
14 17490608 Screw Thdrol 3/8-16 x 1-1/4
17 159639X417 Hood LT/PL
18 184921 Bumper Hood
24 74780616 Bolt Fin Hex 3/8-16 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 179101 Grille LT/PL
29 140273X599 Lens LT/PL
30 169468X417 Fender Footrest STLT Pnt
31 136619 Bracket Support Fender
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 6/16-18 x 1/2 TYT
38 175710 Bracket Asm. Pivot Mower Rear
51 73800400 Nut Lock Hex W/Ins 1/4-20
52 19091416 Washer 9/32 x 7/8 x 16 Ga.
53 144697 Bracjet Grukke Lh
54 161464 Screw Hex Wshd 8-18 x 7/8
55 144696 Bracket Grille Rh
57 74780412 Bolt Hex 1/4-20 x 3/4
64 154798 Dash Lower STLT
142 175702 Plate Reinforcement STLT
145 156524 Rod Pivot Chassis/Hood
206 170165 Bolt Shoulder 5/16-18
207 17670508 Screw Thdrol 5/16-18 x 1/2
208 17670608 Screw Thdrol 3/8-16 x 1/2
209 17000612 Screw Hexwsh Thdr 3/8-16 x 3/4
212 156229 Insert Lens Refl ect P/L LT
- - 5479J Plug Btn Blk .359
NOTE: All component dimensions given in U. S.
inches 1 inch = 25.4 mm
35
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