Weed Eater WEX145H42B User manual

®

166251 10.29.98 JH
PRINTED IN U.S.A.
/
ASSEMBLY/REPAIR
PARTS MANUAL
MODEL NO. WEX145H42B
Lawn Tractor
®

2
HOW TO USE THIS MANUAL
This manual is designed to provide the customer with a means to identify the parts on his/her tractor
whenorderingrepairparts. Theillustrationsmayormaynotrepresenttheactualassemblies;therefore,
it is not recommended to use this manual as a guide to assemble or disassemble the tractor. Some
hardware and parts are drawn larger in order to more readily identify them.
Each tractor has its own model number.
The model number for your tractor can be found on the fender under the seat.
When ordering parts, always give the following information:
• Product - "Tractor"
• Model Number - "WEX145H42B"
• Part Number
• Part Description
TABLE OF CONTENTS
ELECTRICAL ...........................................................................................................4-5
CHASSIS ..................................................................................................................6-7
DRIVE .......................................................................................................................8-9
STEERING WHEEL..............................................................................................10-11
SEAT/DECALS .....................................................................................................12-13
ENGINE .....................................................................................................................14
MOWER LIFT LEVER ...............................................................................................15
MOWER DECK.....................................................................................................16-17
TRANSAXLE ........................................................................................................18-19

3
TRACTOR - - MODEL NUMBER WEX145H42B
SCHEMATIC
BATTERY
FUSE 30 AMP.
IGNITION
SWITCH
RED RED
RED BLACK
IGNITION
UNIT
HEADLIGHTS
NON-REMOVABLE
CONNECTIONS REMOVABLE
CONNECTIONS
BLACK
BLUE
BLACK BLACK
WHITE
WHITE
WHITE
BLUE
BLACK
ORANGE
BLACK
BROWN
BLACK
STARTER
M
SEAT SWITCH
(NOT OCCUPIED)
GROUNDING
CONNECTOR
ATT'MENT CLUTCH
(CLUTCH OFF)
CLUTCH / BRAKE
(PEDAL UP)
SOLENOID
BLACK
LIGHTING SYSTEM OUTPUT
5 AMP AC @ 3600 RPM
ALTERNATOR
14 VOLTS AC MIN. @ 3600 RPM (LIGHTS OFF)
DIODE
28 VOLTS AC MIN. @ 3600 RPM 
(CHARGING SYSTEM DISCONNECTED)
CHARGING SYSTEM OUTPUT
3 AMP DC @ 3600 RPM
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
NOTE: IF WIRING INSULATED CLIPS WERE REMOVED FOR
SERVICING OF UNIT, THEY SHOULD BE REPLACED TO
PROPERLY SECURE YOUR WIRING.
A
AMMETER
RED
GBSML
AY
IGNITION SWITCH
CIRCUITPOSITION
OFF B + LRUN/LIGHT
B + L + SSTART
G + M + L
S
B
G
ML
B + LRUN
“MAKE”
A + Y
NONE
NONE
NONE
Y
A
HOUR
METER
(OPTIONAL)
(OPTIONAL)
FUEL SHUT-OFF
SOLENOID
FUEL
LINE
SPARK
PLUG
GAP
(2 PLUGS ON 
TWIN CYL. ENGINES)

4
REPAIR PARTSTRACTOR - - MODEL NUMBER WEX145H42B
ELECTRICAL
52
16
8
2
1
27
48
70
16

5
REPAIR PARTSTRACTOR - - MODEL NUMBER WEX145H42B
ELECTRICAL
KEY PART
NO. NO. DESCRIPTION
1 144925 Battery 12 Volt 25 AMP
2 74760412 Bolt Hex Hd 1/4-20unc X 3/4
8 156417 Case Battery
16 153664 Switch Interlock Push-In
19 10090400 Washer Lock 1/4
20 73350400 Nut Jam Hex 1/4-20 Unc
21 136850 Harness Asm Light W/4152j
22 4152J Bulb Light #1156
24 4799J Cable Battery 6 Ga 11" red
25 146147 Cable Battery 6 Ga 44" red
26 108824X Fuse 30 AMP Auto Green
27 73510400 Nut Keps Hex 1/4-20unc
28 4207J Cable Ground 6 Ga 12" black
29 121305X Switch Plunger Nc Gray
30 140301 Switch Ign 4 pos w/lights
31 124211X Nut Ignition
32 141226 Cover Sw Ignition
33 122147X Key Ign Modleded Generic
40 156442 Harness Ignition LT PL Mech
41 71110408 Bolt Blk Fin Hex 1/4 - 20 x 1/2
42 131563 Cover Terminal Red
43 145673 Solenoid
44 73640400 Nut Keps Hex 1/4-20 Unc
48 140844 Adapter Ammeter
52 141940 Protection Wire Loop
70 140422 Harness, Eng.
NOTE: All component dimensions give in U.S. inches
1 inch = 25.4 mm.

6
REPAIR PARTSTRACTOR - - MODEL NUMBER WEX145H42B
CHASSIS AND ENCLOSURES

7
REPAIR PARTSTRACTOR - - MODEL NUMBER WEX145H42B
CHASSIS AND ENCLOSURES
KEY PART
NO. NO. DESCRIPTION
1 160393 Chassis LT Stamping 98
2 140356 Drawbar, Stretch 94
3 17490612 Screw, Thdrol. 3/8-16 x 3/4 Ty-TT
4 19131216 Washer 13/32 x 3/4 x 16 Gauge
5 155272 Bumper Hood/Dash
6 155923 Saddle LT Fender Shift
8 155138 Clip Retainer Slide-On
9 161937X011 Dash P/L
10 72140608 Bolt, Rdhd Sqnk 3/8-16 x 1
11 155927 Panel Asm.Dash LH
12 145660 Clip Tinnerman Grille P/L
13 155934X010 Dash, Panel RH
14 17490608 Screw Thdrol 3/8-16 x 1/2 Ty-tt
15 74180512 Screw Mach.Trhd 5/16-18 UNC x 3/4
16 73510500 Nut Keps 5/16-18 UNC
17 159639X550 Hood Pnt Stl PL
18 126938X Bumper Hood
24 74780616 Bolt, Hex , Fin. 3/8-16UNC x 1 Gr. 5
25 19131312 Washer 13/32 x 13/16 x12 Gauge
26 73800600 Nut Lock Hex w/Ins. 3/8-16 Unc
28 157373 Grille
29 140273 Lens Grille
30 157583X550 Fender Pnt
31 136619 Bracket Fender
33 105476X550 Footrest Pnt., LH
34 105475X550 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 139886 Bracket Asm. Pvt. LH Mower Rear
39 139887 Bracket Asm. Pvt. RH 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 Bracket, Grille LH
54 161464 Screw Hex WSHD 8-18 x 7/8
55 144696 Bracket Grille RH
57 74780412 Bolt Fin Hex 1/4-20 x 3/4
58 150127 Air Duct Engine P/L
140 158418 Bracket Suspension Front
145 156524 Rod Pivot Chassis/Hood
- - 5479J Plug Btn Blk .359 Dia Ch/Inf
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm

8
REPAIR PARTSTRACTOR - - MODEL NUMBER WEX145H42B
DRIVE
29
28
51
32
61
30
52
61
32
59
42
51
81
38
61
37
41
42
40
97
16
73
103
108
94
3
19
16
109
147
98
27
53
35
55
36
42
62
35
36
22
39
34
89
69
16
1
77
96
146
71
18
77
30
52
64
65
51 72
63
116
70
57
93
96
26
25 19 24
2
26
26
95
76
78
75
74
83 82
8
21
10
100
104
84
16
105
106
144
145
19
18
66
56
42
27
51
148
149
150
48
150
151
50
49
26
47
50
51
87 87
86
88
88

9
REPAIR PARTSTRACTOR - - MODEL NUMBER WEX145H42B
DRIVE
1 140607 Transmission, Asm.
2 142431 Spring, Return, Brake
3 144698 Pulley, Transmission
8 141003 Rod, Shift
10 76020416 Pin, Cotter 1/8 x 1
16 73800500 Nut, Lock Hex w/Ins 5/16-18 UNC
18 74780616 Bolt Hex 3/8-16 UNC x 1 Gr.5
19 73800600 Nut, Lock Hex w/Wsh 3/8-16 UNC
21 106933X Knob Rd. 1/2-13 Plstc. Thds. Blk.
22 145627 Rod, Brake
24 73350600 Nut
25 106888X Spring, Rod, Brake
26 19131316 Washer 13/32 x 13/16 x 16 Ga.
27 76020412 Pin, Cotter 1/8 x 3/4
28 145204 Rod, Parking Brake
29 71673 Cap, Parking Brake
30 130807 Bracket, Transmission
32 74760512 Bolt Hex 5/16-18 UNC x 3/4
34 155071 Shaft, Foot Pedal
35 120183X Bearing, Nylon
36 19211616 Washer
37 1572H Pin, Roll
38 131494 Pulley, Idler, Flat
39 74760644 Bolt
40 4470J Spacer, Split
41 165838 Keeper, Belt, Idler
42 19131312 Washer 13/32 x 13/16 x 12 Ga.
47 127783 Pulley, Idler, V-Belt
48 154407 Bellcrank Clutch Grnd Drustl
49 123205X Retainer, Belt
50 74760624 Bolt
51 73680600 Nut
52 73680500 Nut Crownlock 5/16-28
53 105710X Link, Clutch
55 105709X Spring, Return, Clutch
56 74760620 Bolt, Hex 3/8-16 UNC x 1-1/4
57 141416 V-Belt, Drive
59 140312 Keeper, Belt, Center
61 17490612 Screw, Thdrol 3/8-16 x 3/4 Type TT
62 8883R Cover, Pedal
63 140186 Pulley, Engine
64 71170764 Bolt Hex 7/16 x 4 Gr. 5
65 10040700 Washer
KEY PART
NO. NO. DESCRIPTION KEY PART NO. NO. DESCRIPTION
66 154778 Keeper, Belt Engine
69 142432 Screw
70 134683 Guide, Belt, Mower Drive RH
71 141417 Strap, Torque, Lh
72 19132012 Washer 13/32 x 1-1/4 x 12 Ga.
73 141418 Strap, Torque, Rh
74 121199X Spacer, Split
75 121749X Washer 25/32 x 1-1/4 x 16 Ga.
76 12000001 Ring, E
77 123583X Key, Square
78 121748X Washer 25/32 x 1-5/8 x 16 Ga.
81 156048 Asm, Shaft
82 123782X Spring, Torsion
83 19171216 Washer 17/32 x 3/4 x 16 Ga.
84 141423 Rod, Tie
86 157480 Bushing
87 19212016 Washer 21/32 x 1-1/4 x 16 Ga.
88 12000008 Ring, Clip
89 164893X428 Console, Shift
93 142564 Line Fuel
94 140462 Fan 7”
95 144643 Control Asm Bypass Hydro
96 4497H Spring, Retainer 1”
97 144201 Keeper, Belt Rh
98 73510600 Nut Keps 3/8-16 UNC
100 19111216 Washer 11/32 x 3/4 x 16 Ga.
103 73940800 Nut, Hex Jam Toplock 1/2-20 UNF
104 141421 Arm, Control Pump 500 Hydro
105 71070516 Bolt, Head Hex 5/16 x 18 x 1
106 74780520 Bolt H 5/16-18 UNC x 1-1/4
108 17541026 Screw Hex Wh Hd #10-24 x 1-5/8
109 145098 Adaptor Fan Hydro Lt Hyd Alum
116 72110610 Bolt Rdhd Sq Neck 3/8-16 x 1-1/4
144 19111016 Washer 11/32 x 5/8 x 16
145 74490540 Bolt Hex Flghd 5/16-18 Gr. 5
146 74490536 Bolt Hex 5/16-18 x 2-1/4
147 74490524 Bolt Hex 5/16-18 UNC x 1-1/2
148 159103 Spacer
149 122052X Spacer Retainer
150 150935 Bushing Nylon Collered
151 19133210 Washer 13/32 x 2 x 10
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm