TRACTOR - - MODEL NUMBER Q185H46B
SCHEMATIC
RED |
BLACK |
BATTERY
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A |
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RED |
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RED |
M |
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AMMETER |
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FUSE |
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STARTER |
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(OPTIONAL) |
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BLACK |
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WHITE |
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SOLENOID |
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RED |
B |
S |
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M |
CLUTCH / BRAKE |
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G |
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A1 |
(PEDAL UP) |
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WHITE |
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L |
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A2 |
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IGNITION |
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SEAT SWITCH |
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BLACK |
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(NOT OCCUPIED) |
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SWITCH |
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WHITE |
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BLACK |
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BLACK |
BLACK |
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BLACK |
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ATT'MENT CLUTCH |
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GROUNDING |
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BLACK |
(CLUTCH OFF) |
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HOUR |
CONNECTOR |
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METER |
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(OPTIONAL)
BLACK |
IGNITION |
FUEL |
UNIT |
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BLUE |
LINE |
CHARGING SYSTEM OUTPUT 3 AMP DC @ 3600 RPM
SPARK
PLUG
GAP
(2 PLUGS ON
TWIN CYL. ENGINES)
28 VOLTS AC MIN. @ 3600 RPM (CHARGING SYSTEM DISCONNECTED)
FUEL SHUT-OFF SOLENOID |
RED |
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(IF SO EQUIPPED) |
LIGHTING SYSTEM OUTPUT |
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ALTERNATOR |
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DIODE |
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ORANGE |
5 AMP AC @ 3600 RPM |
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14 VOLTS AC MIN. @ 3600 RPM (LIGHTS OFF)
IGNITION SWITCH
POSITION |
CIRCUIT |
“MAKE” |
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OFF |
M+G+A1 |
NONE |
RUN/LIGHT |
B+A1 |
A2+L |
RUN |
B+A1 |
NONE |
START |
B + S + A1 |
NONE |
NOTE
YOUR TRACTOR IS EQUIPPED WITH A SPECIAL ALTERNATOR SYSTEM. THE LIGHTS ARE NOT CONNECTED TO THE BATTERY, BUT HAVE THEIR OWN ELECTRICAL SOURCE. 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
WILL BECOME THEIR BRIGHTEST.
WIRING INSULATED CLIPS
BROWN |
BLACK |
HEADLIGHTS
NON-REMOVABLE
CONNECTIONS
REMOVABLE
CONNECTIONS
NOTE: IF WIRING INSULATED CLIPS WERE REMOVED FOR SERVICING OF UNIT, THEY SHOULD BE REPLACED TO PROPERLY SECURE YOUR WIRING.
31
REPAIR PARTS
TRACTOR - - MODEL NUMBER Q185H46B
ELECTRICAL
21 |
22 |
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42 |
24 |
41 |
12
2
1
43 |
27 |
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27 |
26 |
40 |
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27 |
27 |
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25
16
16
33
30
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10 |
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11 |
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52 |
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D.C. |
AMPERES |
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45 |
29 |
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27 |
28 |
55
8 |
12 |
32
REPAIR PARTS
TRACTOR - - MODEL NUMBER Q185H46B
ELECTRICAL
KEY PART
NO. NO. DESCRIPTION
1144925 Battery 12 Volt 25 Amp
274760412 Bolt Hex Hd 1/4-20unc X 3/4
8 |
7603J |
Tray Battery |
10 |
145211 |
Bolt Btr Frt 1/4-20 x 7.5 |
11 |
150109 |
Holddown Battery Front Mount |
12 |
145769 |
Nut Push Nylon 1/4" Battery Frt |
16 |
153664 |
Switch Interlock Push-In |
21 |
166181 |
Harness Socket Light |
22 |
4152J |
Bulb, Light # 1156 |
24 |
4799J |
Cable Battery 6ga 11" Red |
25 |
146148 |
Cable Battery 6 Ga 22" Red W/16 Wire |
26 |
166180 |
Fuse 15 Amp |
27 |
73510400 |
Nut Keps Hex 1/4-20 Unc |
28 |
145491 |
Cable Ground 6ga 21"black |
29 |
121305X |
Switch Plunger NC Gray |
30 |
163968 |
Switch Ign |
33 |
140401 |
Key Ign |
40 |
170217 |
Harness Ignition |
41 |
71110408 |
Bolt Fin Hex 1/4-20uncx1/2 |
42 |
131563 |
Cover Terminal Red |
43 |
145673 |
Solenoid |
45 |
121433X |
Ammeter Rectangular |
52 |
141940 |
Protection Loop |
55 |
17490508 |
Screw Thdrol 5/16-18 x 1/2 |
NOTE: All component dimensions given in U.S. inches 1 inch = 25.4 mm
33
REPAIR PARTS
TRACTOR - - MODEL NUMBER Q185H46B
CHASSIS AND ENCLOSURES
212
24
17 
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30 |
29 |
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18 |
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24 |
58 |
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25 |
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12 |
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28 |
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26 |
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25 |
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26 |
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31 |
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5 |
53 |
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44 |
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51 |
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5 |
52 |
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3 |
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55 |
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209 |
57 |
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11 |
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9 |
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208 |
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15 |
207 |
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209 |
20 |
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23 |
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3 |
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8 |
54 |
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3 |
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207 |
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6 |
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26 |
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16 |
1 |
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13 |
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35 |
3 |
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37 |
145 |
33 |
10 |
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37 |
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3 |
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2 |
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35 |
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3 |
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34 |
208 |
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3 |
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38 |
26 |
206 |
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3 |
38 |
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34
REPAIR PARTS
TRACTOR - - MODEL NUMBER Q185H46B
CHASSIS AND ENCLOSURES
KEY |
PART |
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NO. |
NO. |
DESCRIPTION |
1 |
169831 |
Chassis |
2 |
169061 |
Drawbar |
3 |
17060612 |
Screw 3/8-16 x 3/4 |
5 |
155272 |
Bumper Hood/Dash |
6 |
155923 |
Saddle |
8 |
155138 |
Clip |
9168348X012 Dash
1072140608 Bolt RdHd Sqnk. 3/8-16 x 1
11155927 Panel Dash Lh
12 |
145660 |
Clip Tinnerman Grille P/L |
13 |
172107X010 |
Panel Dash Rh Slkscr |
1574180512 Screw Mach Trhd 5/16-18 UNC x 3/4
1673510500 Nut Keps 5/16-18 UNC
17159639X602 Hood Pnt Steel Private Label
18 |
126938X |
Bumper Hood |
20 |
156437 |
Plate Mtg Battery/Fuel Tank |
23124028X Bushing Snap Nyl. Blk Fuel Line
2474780616 Bolt Fin Hex 3/8-16 Unc x 1 Gr. 5
2519131312 Washer 13/32 x 13/16 x 12 Ga.
2673800600 Nut Lock Hex w/Ins 3/8-16 Unc
28 |
157373 |
Grill |
29 |
140273X599 |
Lens |
30 |
167270X602 |
Fender Pnt |
31 |
137113 |
Bracket Fender Support |
33145244X602 Footrest Pnt. Lh
34145243X602 Footrest Pnt. Rh
3572110606 Bolt RdHd Sht. Sqnk. 3/8-16 x 3/4
3717490508 Screw Thdrol 5/16-18 x 1/2
38169834 Bracket Asm. Pvt. Mwr. Rear
44 140675 |
Strap Asm Pnt Fender |
5173800400 Nut Lock Hex W/Ins. 1/4-20
5219091416 Washer 9/32 x 7/8 x 16 Ga.
53 |
144697 |
Bracket Grille LH |
54 |
161464 |
Screw Hex Wshd 8-18 x 7/8 |
55 |
144696 |
Bracket, Grille RH |
5774780412 Bolt Fin Hex 1/4-20 x 3/4
58140547 Air Duct Engine
45 |
156524 |
Rod Pivot Chassis/Hood |
206 |
170165 |
Bolt Shoulder 5/16-18 |
20717670508 Screw Thdrol 5/16-18 x 1/2
20817670608 Screw Thdrol 3/8-16 x 1/2
20917000612 Screw Hex Wsh Thdrol 3/8-16 x 3/4
212 |
156229 |
Insert Lens |
- - |
5479J |
Plug Button |
NOTE: All component dimensions given in U.S. inches 1 inch = 25.4 mm
35
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