Horsepower
Typical AC Amps (120VAC)
Typical Arm Amps (120VAC)
Typical AC Amps (240VAC)
Typical Arm Amps (240VAC)
125D SERIES PARTS PLACEMENT & LIST
RESISTORS
R1
15K 6W
470 Ω
R2
R3
2.7K
R4
2.7K
R5
82K
R6
5K (MIN TRIM)
R7
300K
R8
180K
R9
1.2M
R10
39K
R11
100K
R12
10K
R13
2.2K
820 Ω
R14
R15
4.7K
R16
470K
R17
1K
100 Ω (I.R. TRIM)
R18
R19
5K (C.L. TRIM)
R20
300K
R21
10K (MAX TRIM)
R22
1K
R23
300K
.01 Ω 5W
R24
R25
91K
R26
1K
390 Ω
R27
390 Ω
R28
R29
5K SPEEDPOT *
ACCEL CHANGES
Replace N.P. cap with
polarized cap (see above)
-15A ... C8 ... 33uf 16V
-15B ... C8 ... 15uf 25V
-15C ... C8 ... 4.7uf 16V
- K ...... C8 ... 22uf 16V
125D-12C (1/50 thru 1/8 H.P.)
CHANGES:
R24 ............... .062 Ω 5W
TYPICAL MOTOR CURRENTS
1/50
1/20
1/8
0.50
1.00
1.60
0.42
0.81
1.20
-----
0.80
0.90
0.40
0.60
-----
R19
R18
R20
R16
D10
R10
R28
P3
Q4
D7
R23
R26
D8
U2
R25
R2
JU1
C9
D9
R27
D1
Q6
D2
R24
JU2
Q3
-1
-2
-3
MISCELLANEOUS
JU1
JU2
PCB
P1 (-1 THRU -8)
P2 (-2 THRU -6)
P3
1/4
1/3
1/2
3.50
4.40
6.50
9.30
2.70
3.40
5.00
8.20
1.80
2.20
3.30
4.80
1.40
1.70
2.50
3.70
R21
R6
R14
R17
C10
C11
R13
R15
R22
R9
R12
R7
P2
R11
U5
2
3
4
5
6
C8
C1
C5
C2
Q1
R5
R4
D4
C3
D6
D3
C4
D5
R8
R1
R3
-4
-5
-6
-7
-8
18GA. SOLID INSULATED WIRE
18GA. SOLID INSULATED WIRE
A-4-2033F PRINTED CIRCUIT
8 POS. TERMINAL STRIP
5 POS. FEMALE CONNECTOR
3/16" MALE SPADE PIN
12
3/4
1.0
1.5
2.0
13.20
-----
-----
10.90
-----
-----
6.50
9.70
12.90
5.00
8.20
11.60
ACTIVE DEVICES
Q1
2N6027
U2
3052 MOC
Q3
S4015L
Q4
S4015L
U5
LM358 IC
Q6
275V G-MOV
CAPACITORS
C1
.01µF 100V
C2
10µF 35V
C3
.01µF 100V
C4
.033µF 400V
C5
.22µF 1KV
C8
1µF 50V N.P.
C9
.0047µF 1KV
C10
.1µF 50V
C11
47µF 16V
DIODES
D1
1N4005
D2
1N4005
D3
1N914B
D4
1N5242B
D5
1N4005
D6
1N5233B
D7
1N914B
D8
D4015L
D9
D4015L
D10
D4015L
P1
123D-C CHANGES:
D6
1N914B
(reverse direction)
Q6
DELETE
R1
1K 2W
R2
47Ω
R16
220K
R23
47K
R25
15K
R27
47Ω
R28
47Ω