Ayp WA20H42STA User Manual
TRACTOR - - MODEL NUMBER WA20H42STA PRODUCT NO. 954 56 83-35
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.
BLACK
31
22
21
REPAIR PARTS
TRACTOR - - MODEL NUMBER WA20H42STA PRODUCT NO. 954 56 83-35
ELECTRICAL
42
24
41
33
30
27
27
43
25
27
27
D
26
40
16
16
.C
. A
M
PER
E
S
52
8
45
29
28
27
55
2
1
90
32
TRACTOR - - MODEL NUMBER WA20H42STA PRODUCT NO. 954 56 83-35
ELECTRICAL
KEY PART
NO. NO. DESCRIPTION
1 144927 Battery
2 74760412 Bolt Hex Hd 1/4-20 Unc x 3/4
8 176689 Battery Box
16 176138 Switch Interlock Push-In
21 175688 Harness Socket Light
22 4152J Bulb, Light # 1156
24 4799J Cable Battery
25 146147 Cable Battery 6 Ga Red w/16 wire
26 175158 Fuse
27 73510400 Nut Keps Hex 1/4-20 Unc
28 4207J Cable Ground 6ga 12 black
29 121305X Switch Plunger Nc Gray
30 175566 Switch Ign
33 140401 Key Ign Molded Generic
40 179720 Harness Ign
41 71110408 Bolt Fin Hex 1/4-20 Unc x 1/2
42 131563 Cover Terminal Red
43 178861 Solenoid
45 121433X Ammeter Rectangular
52 141940 Protection Loop
90 180449 Cover Terminal
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
33
TRACTOR - - MODEL NUMBER WA20H42STA PRODUCT NO. 954 56 83-35
CHASSIS AND ENCLOSURES
29
17
159
30
24
212
208
18
28
58
12
24
25
26
31
209
11
26
3
3
33
3
142
209
10
25
26
9
207
5
5
209
208
64
3
35
53
51
52
55
57
219
20
13
1
54
23
219
2
206
chassis-shark.stlt_2
37
3
3
142
3
3
3
35
14
14
38
145
37
208
34
26
34
TRACTOR - - MODEL NUMBER WA20H42STA PRODUCT NO. 954 56 83-35
CHASSIS AND ENCLOSURES
KEY PART
NO. NO. DESCRIPTION
1 174619 Chassis
2 176554 Drawbar
3 17060612 Screw 3/8-16 x .75
5 155272 Bumper Hood/Dash
9 168337X012 Dash P/L
10 72140608 Bolt Carriage 3/8-16 x 1
11 174996 Panel Dash Lh
12 145660 Clip Tinnerman
13 172106 Panel Dash Rh
14 17490608 Screw Thdrol 3/8-16 x 1-1/4
17 144983X603 Hood W/Side Louvers
18 184921 Bumper Hood Large
20 180679 Plate Mtg Battery Fuel Tank
23 124028X Bushing
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 178987X428 Grille LT/PL
29 155217X599 Lens
30 169470X603 Fender Footrest STLT Pnt
31 136619 Bracket Support Fender
33 179716X603 Footrest Pnt Lh
34 179717X603 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 145201 Bracket Grille Lh
54 161464 Screw Hex Wshd 8-18 x 7/8
55 145202 Bracket Grille Rh
57 74780412 Bolt Hex 1/4-20 x 3/4
58 184460 Duct Air
64 154798 Dash Lower STLT
142 175702 Plate Reinforcement STLT
145 156524 Rod Pivot Chassis/Hood
159 169473X428 Cupholder
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 165919 Insert Lens Refl ect
219 17000512 Screw 5/16-18 x 3/4
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
35
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