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MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 89
ELECTRICAL SYSTEM DIAGRAM 3
1
2
3
4
5
6
7
8
4
3
2
1
8
7
6
5
J3 MALE
INTERFACE
CONNECTOR
(YELLOW)
INSIDE
CONTROL
BOX
OUTSIDE
CONTROL
BOX
P3
P3
8 7 6 5
4 3 2 1
J3
8 7 6 5
4 3 2 1
J4
INSIDE
CONTROL
BOX
OUTSIDE
CONTROL
BOX
CONTROLLER
INSIDE
CONTROL
BOX
OUTSIDE
CONTROL
BOX
1
2
3
4
5
6
7
8
4
3
2
1
8
7
6
5
P4
P4
J1
J2
J3
J4
J5
CONTROL
BOX REAR
VIEW
PROX C
PROX D
PROX B
ENG SOL POWER 35A 1 SEC
PROX A
POWER
GROUND
TIMER
FLOW A 12VDC
FLOW B 12VDC
BROKEN FAN BELT
OVER TEMP
WIRING CONNECTIONS TO J3, J4 AND J5
RECEPTACLES ON DIGITAL CONTROL BOX (LS300G)
A
B
C
16 AWG GREY
+12 VDC
16 AWG BROWN
GND.
SIGNAL
SIGNAL
+12 VDC
10 AWG RED
NOT USED
+12VDC OUT
J4 MALE
INTERFACE
CONNECTOR
8 7 6 5
4 3 2 1
J3
8 7 6 5
4 3 2 1
J4
12VDC
30
17
58
19
15/54
50A
IGNITION
SWITCH
PROXIMITY
SWITCH “B”
INDICATOR “RED” ACTIVE
BETWEEN GND. 800 mV
PROXIMITY
SWITCH “A”
PROXIMITY
SWITCH “D”
PROXIMITY
SWITCH “C”
16 AWG BLUE
16 AWG BLUE
16 AWG BROWN
16 AWG BLUE
16 AWG YELLOW
16 AWG BROWN
16 AWG BLUE
16 AWG GREEN
16 AWG BROWN
16 AWG BLUE
SIGNAL
SIGNAL
NOT USED
OUTSIDE
CONTROL
BOX
J2 MALE
INTERFACE
CONNECTOR
8 7 6 5
4 3 2 1
J5
8 7 6 5
4 3 2 1
J5
14 AWG BLK
GND.
MAIN CYLINDER
SHUTTLE CYLINDER
TO STARTER
SOLENOID
+12VDC
K1
GND.
85
86
NOT USED
NOT USED
J6
4
3
2
1
8
7
6
5
18 AWG BLK
18 AWG BLK
18 AWG YEL
18 AWG YEL
18 AWG WHT
18 AWG WHT
P2
MAIN
SOLENOID B
MAIN
SOLENOID A
MANIFOLD
MAIN
SOLENOID
SWING A
FLOW
CONTROL
A B
18 AWG BLACK
18 AWG WHITE
1
2
3
4
5
6
7
8
P2
INSIDE
CONTROL
BOX
+12 VDC (IGN.)
GND.
ORG
GND.
+12 VDC
CB1
40 AMP
FAN POWER
K1
COMMON
30
87
87A
+12 VDC
10 AWG RED
16 AWG ORANGE
ALL WIRES 18 AWG
A
A
E
N
O
F
P
B
Q
H
I
T
J
A
HEAT EXCHANGER
“COOLING FAN”
FAN
RELAY
Summary of Contents for MAYCO LS300G
Page 2: ...PAGE 2 MAYCO LS300G CONCRETE PUMP OPERATION MANUAL REV 2 09 09 19 PROPOSITION 65 WARNING...
Page 5: ...MAYCO LS300G CONCRETE PUMP OPERATION MANUAL REV 2 09 09 19 PAGE 5 NOTES...
Page 73: ...MAYCO LS300G CONCRETE PUMP OPERATION MANUAL REV 2 09 09 19 PAGE 73 NOTES...
Page 85: ...MAYCO LS300G CONCRETE PUMP OPERATION MANUAL REV 2 09 09 19 PAGE 85 HYDRAULIC SYSTEM DIAGRAM...