Mcculloch BA20H107RBB REPAIR PARTS MANUAL
REPAIR PARTS MANUAL
MODEL NO. 20H107RB (BA20H107RBB)
Lawn Tractor
532 18 94-21 01.06.04 RD
PRINTED IN U.S.A.
HOW TO USE THIS MANUAL
This manual is designed to provide the customer with a means to identify the parts on his/her tractor
when ordering repair parts. The illustrations may or may not represent the actual assemblies; 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 -
• Part Number
• Part Description
20H107RB (BA20H107RBB)
TABLE OF CONTENTS
SCHEMATIC ................................................................................................................3
ELECTRICAL............................................................................................................4-5
CHASSIS...................................................................................................................6-7
DRIVE........................................................................................................................8-9
STEERING ............................................................................................................10-11
SEAT ..........................................................................................................................12
DECALS.....................................................................................................................13
ENGINE......................................................................................................................14
MOWER LIFT.............................................................................................................15
MOWER DECK .....................................................................................................16-17
BAGGER...............................................................................................................18-19
2
TRACTOR- -MODEL NO. 20H107RB (BA20H107RBB), PRODUCT 964 77 29-02
SCHEMATIC
AMMETER
BLACK
RED
B
G
L
(OPTIONAL)
A
WHITE
S
M
A1
A2
ORANGE
RED
RED
BLACK
CLUTCH / BRAKE
(PEDAL UP)
GREEN
BATTERY
RED
FUSE
BLACK
BLACK
SEAT SWITCH
(NOT OCCUPIED)
PTO (DISENGAGED)
CG
WHITE
F
H
B
E
A
D
GREEN
SOLENOID
WHITE
RED
FBI BUZZER
ELECTRIC CLUTCH
RED
BAGGER
RELAY
86
85
87
30
87A
BLACK
85
87
STARTER
M
BLACK
BLACK
SWITCH
INTERLOCK
BLACK
86
BLACK
FBI
BAG
BLACK
BLACK
30
IGNITION SWITCH
CIRCUITPOSITION
OFF
M+G+A1
B+A1RUN/LIGHT
B+A1RUN
B + S + A1START
WIRING INSULATED CLIPS
NOTE: IF WIRING INSULATED
CLIPS WERE REMOVED FOR
SERVICING OF UNIT, THEY
SHOULD BE REPLACED TO
PROPERLY SECURE YOUR
WIRING.
“MAKE”
NONE
A2+L
NONE
NONE
H
BLUE
HOUR
METER
(OPTIONAL)
BLUE RED
CARBURATOR SOLENOID
RED
87
87A
8586
30
RELAY
FC
G
OFF
E
B
A
D
ON
BLACK
FUEL
LINE
BROWN
PTO SWITCH
C + F, B + E, A + D
BLACK
CHARGING SYSTEM OUTPUT
16 AMP DC @ 3600 RPM
HEADLIGHTS
CIRCUITPOSITION
C + G, B + H
BLACK
87A
OPERATOR PRESENCE RELAY #1
IGNITION
UNIT
SPARK
PLUGS GAP
(2 PLUGS ON
TWIN CYL. ENGINES)
ALTERNATOR
REGULATOR
28 VOLTS AC @ 3600 RPM (REGULATOR DISCONNECTED)
NON-REMOVABLE
CONNECTIONS
BLACK
REMOVABLE
CONNECTIONS
3
REPAIR PARTS
TRACTOR- -MODEL NO. 20H107RB (BA20H107RBB), PRODUCT 964 77 29-02
ELECTRICAL
22
21
24
33
27
43
27
25
41
27
27
40
26
42
81
16
30
51
50
48
27
52
66
29
66
28
2
1
59
16
58
4
REPAIR PARTS
TRACTOR- -MODEL NO. 20H107RB (BA20H107RBB), PRODUCT 964 77 29-02
ELECTRICAL
KEY PART
NO. NO. DESCRIPTION
1 532 14 49-27 Battery
2 874 76 04-12 Bolt Hex Hd 1/4-20 unc x 3/4
16 532 17 61-38 Switch Interlock
21 532 18 37-59 Harness Asm Light W/4152J
22 532 00 41-52 Bulb Light #1156
24 532 12 47-80 Cable Starter 6 Ga. 11" Red
25 532 16 59-87 Cable Battery Crd 56" Red
26 532 17 51-58 Fuse
27 873 51 04-00 Nut Keps Hex 1/4-20 unc
28 532 12 77-25 Cable Ground 6 Ga. 18" Black
29 532 12 13-05 Switch Plunger Normal Op Gray
30 532 17 55-66 Switch Ignition
33 532 14 04-01 Key Ign Molded Indak
40 532 18 80-35 Harness Ign
41 871 11 04-08 Bolt Flk Fin Hex 1/4-20 unc x 1/2
42 532 13 15-63 Cover Terminal Red
43 532 17 88-61 Solenoid
48 532 14 08-44 Adapter Ammeter Rectangular
50 532 17 46-51 Switch PTO.
51 532 14 04-05 Ring Retainer PTO.
52 532 14 19-40 Protection Wire Loop
58 532 16 94-19 Buzzer Crd
59 532 18 03-79 Switch FBI CRD
66 817 49 06-08 Screw Thdrol 3/8-16 x 1/2 Ty-Tt
81 532 10 97-48 Relay Asm
NOTE: All component dimensions given in U.S. inches.
1 inch = 25.4 mm.
5
REPAIR PARTS
TRACTOR- -MODEL NO. 20H107RB (BA20H107RBB), PRODUCT 964 77 29-02
CHASSIS AND ENCLOSURES
29
212
17
28
256
39
166
266
187
189
186
188
187
188
171
189
165
26
25
190
209
171
24
18
89
30
24
26
25
209
5
5
58
198
172
173
170
175
179
185
209
chassis_Elite Value_CRD_2
265
164
209
207
35
163
209
209
69
9
15
209
209
209
1
145
37
37
34
205
38
26
13
208
209
3
8
26
26
205
24
209
38
8
6
16
35
31
11
184
208
26
10
33
209
162
3
2
24
209
6
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