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NOTE: Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your factory warranty. Individual Printed Circuit Board Components are not available from Lincoln Electric. This information is pro-
vided for reference only. Lincoln Electric discourages board level troubleshooting and repair since it may compromise the quality of the design and may result in danger to the Machine Operator or Technician. Improper PC board repairs could result in damage to the
machine.
ELECTRICAL DIAGRAMS
G-18
COMMANDER 400
PC BOARD ASSEMBLY - ENGINE PROTECTION PC BOARD
X3
D2
D3
D4
D5
C1
X1
R20
R18
R24
R25
R21
C5
C6
D1
R23
Q1
R10
DZ2
C3
R11
R12
R14
R13
R15
C4
R16 R3
R4
C2
R6
R9
R5
R7
R22
DZ1
R1
R2
P22
L9596-1
C10
DZ3
DZ4
DZ5
DZ6
R26
R27
R28
R29
R30
R31
R32
R33
COMMANDER 400
ENGINE PROTECTION
R8
R34
P23
ITEM
REQ’D PART NO. DESCRIPTION
CAPACITORS = MFD/VOLTS
RESISTORS = OHMS
XXX
XXX
XXX
XXX
XXX
L9596-1
8-14-98C
G-18
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