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F-1
WIRING DIAGRAMS
SAM400 & 650
F-1
4-22-94
L9603
R20
AM
VM
+
-
7CR
232
234
D14
D13
SEE BATTERY
CIRCUIT DIAGRAM
F1
2CR
7CR
8CR
9CR
10CR
C9
C10
D5
D6
D7
D9
D10
D11
D12
D13
D14
R19
R20
R21
R22
R24
PILOT RELAY
HOT START RELAY
S-78 CONTACTOR
REED SWITCH
1.0 MFD
6.0 MFD
.022 MFD
16 A.
16 A.
100 A.
100 A.
100 A.
100 A.
100 A.
100 A.
1 A.
1 A.
100
500
R29
S1
S2
F1
F2
100
TOGGLE SWITCH
10 AMP
20 AMP
ELECTRICAL SYMBOLS PER E1537
LOW VOLTAGE OPTION
LS1 - LIMIT SWITCH (NORMAL VOLTAGE)
LS2 - LIMIT SWITCH (LOW VOLTAGE)
THE VOLTAGE RANGE
SWITCH S3, IS SHOWN
IN THE "NORMAL" RANGE
POSITON AND AS VIEWED
FROM THE REAR OF THE
SWITCH.
218 TO 219
2A TO 2B
2B TO 2
LS2
N.O. CIRCUIT
N.C. CIRCUIT
9
8
7
12
11
10
S3 - VOLTAGE RANGE SWITCH
R30- 1000 OHMS (2W)
OPEN BOLTED CONNECTION AT 7, 8 AND 9 AT ALTERNATOR.
CONNECT LEADS BELOW TO RESPECTIVE STATOR LEADS.
INSULATE EACH CONNECTION SEPARATELY.
2
2B
2
2A
N.O.
CIRCUIT
218
219
218
219
OMIT JUMPERS
FROM
ON TERMINAL
STRIP AND
CONNECT THESE
LEADS TO
TERMINAL STRIPS.
R30
LS1
S3
233
235
+
-
75
1
R24
C9
2CR 8CR
1
208
223
32
C4
207
214
210
BROWN
75
213
212
B
R
I
D
G
E
P.
C.
B
D.
75
214
213
212
75
214
210
75
212
N
219
207
R19
220
204
1
1
1
214
212
D6
D5
1
VARIABLE
VOLTAGE
CONTROL
CONSTANT
VOLTAGE
CONTROL
R21
75
75
201
75
R22
C8
75
222
31
224
222
1
2
3
4
5
6
202
216
216
203
220
76
S1
2
3
4
5
4
5
-
1
2
3
S2
R29
75
217
76
+
9CR
224
67
TO P.C.
BOARD #1
TO P.C.
BOARD #2
FRONT
BACK
217
203
201
202
227
216
227
216
210
212
214
220
204
219
207
208
213
75
1
75
77
76
217
U
+
-
F2
N.A.
WHITE
TERMINAL
LEAD BLOCK
-
A
-
1
+
+
2
31
N
32
33
U
N.A.
32
31
WORK
STICK
AUTOMATIC
21
GROUND SCREW
10K POT.
10K POT.
0.5
POLARITY SWITCH
ENERGIZING RELAY
230V POWER
RECEPTACLE
115V POWER
RECEPTACLE
230
229
10CR
223
75
10CR
C10
219
218
2A
2B
77
C4
75
76
31
2
32
67
21
GROUNDING
TERMINAL
219
219
218
LEAD COLOR CODING
U - BLUE
N - BROWN
W - WHITE
ROTATING
FIELD
-+
NEG. SLIP
RING IS
NEAREST
LAMINATION
C
B
A
12
8
7
10
11
NOTES
1. CONNECT PORTABLE FIELD CONTROL
TO TERMINALS #75 AND #76.
2. WHEN NOT USING PORTABLE FIELD
CONTROL, CONNECT A JUMPER ACROSS
TERMINALS #75 AND *77.
3. WHEN NOT USING LINCOLN EQUIPMENT,
CONNECT GUN TRIGGER TO #C-4 AND
#2 TO OPERATE CONTACTOR.
4. FOR NORMAL VOLTAGE WELDING, CONNECT
LEADS 7, 8 AND 9 TOGETHER AND
INSULATE CONNECTION. INSULATE LEADS
10, 11 AND 12 SEPARATELY. FOR UNITS
WITH LOW VOLTAGE OPTION SEE INSERT
ABOVE. (THESE CONNECTIONS ARE MADE
INTERNALLY ON LATEST MACHINES
WITHOUT LOW VOLTAGE OPTION.)
N.A. CENTER TERMINAL OF FUSE HOLDER.
33
31
32
1
75
214
212
222
9
SEE
NOTE
#4
-
D10
D7
D11
D12
D8
D9
ALTERNATOR
C8
D8
+
G
G
G
218
LEGEND
SPECIFIC VALUES OF
NUMBERED COMPONENTS
SAM400 MACHINE WIRING DIAGRAM
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The
specific diagram for a particular code is pasted inside the machine on one of the enclosure panels.