Manitowoc Published 05-16-17, Control # 233-03 3-13
999 SERVICE/MAINTENANCE MANUAL ELECTRIC SYSTEM
Wire Identification
Wire Pin Description
Test Voltage
(DC unless otherwise specified)
Board
(Signal Type)
0 C-02 Main System Ground Bus 0 Volts
0 C-04 Main System Ground Bus 0 Volts
0 C-13 Main System Ground Bus 0 Volts
0 C-22 Main System Ground Bus 0 Volts
0 C-31 Main System Ground Bus 0 Volts
24 D-07 Engine RPM Magnetic Pick-Up
7.5 Volts or 0 Volts Not Moving
3.5 Volts Moving
I/O 1 J6-05 (DI)
25X C-27 Motion Alarm 12 Volts Nominal I/O 2 J8-25-26 (DO)
30 D-20 RS232 To Display – Black (Ground) 0 Volts CPU J4-07-08 (COMM)
31 D-19 RS232 To Display - White CPU J4-05 (COMM)
34 D-22 RS232 Transmit to LMI CPU J4-09 (COMM)
35 D-21 RS232 Receive from LMI CPU J4-10 (COMM)
36 D-17 RS232 (Transmit to Laptop) CPU J4-01 (COMM)
37 D-16 RS232 (Receive from Laptop) CPU J4-02 (COMM)
38 C-11 Remote Output Node Communication I/O 1 J6-29-30
39 B-13 Remote Output Node Feedback I/O 1 J6-19 (DI)
42 A-28 Hydraulic Fluid Temperature Switch 12 Volts Nominal CPU J3-50 (AI)
43 C-32 Gantry Cylinder Extend Solenoid 12 Volts Nominal I/O 2 J8-31-32 (DO)
44 C-33 Gantry Cylinder Retract Solenoid 12 Volts Nominal I/O 2 J8-33-34 (DO)
52A C-36 Boom Hinge Pins Extend Solenoid 12 Volts Nominal I/O 2 J8-39-40 (DO)
52B C-26 Boom Hinge Pins Retract Solenoid 12 Volts Nominal I/O 2 J8-23-24 (DO)
55C C-35 Mast Cylinder Retract Solenoid 12 Volts Nominal I/O 2 J8-37-38 (DO)
55D C-34 Mast Cylinder Extend Solenoid 12 Volts Nominal I/O 2 J8-35-36 (DO)
56A D-26 Counterweight Pins Retract Solenoid 12 Volts Nominal I/O 3 J10-23 (DO)
68CA C-11 Engine Clutch Cylinder Direction 0 Volts Off; 12 Volts On I/O 1 (DO)
68CB C-20 Engine Clutch Cylinder Speed Variable 0-12 Volts I/O 1 (DO)
68K A-17 Engine Throttle Lever
Power On: .064 to 10.05
Engine Running: .101 to 10.09
I/O 2 J7-60 (AI)
68KA A-18 Engine Throttle Pedal
Power On: .280 to 10.05
Engine Running: .092 to 10.03
I/O 2 J7-62 (AI)
68KB C-20 Engine Throttle Control
Power On: 2.76 to 8.84
Engine Running: 2.64 to 8.74
I/O 1 J6-39-40 (DO)
8P1 C-01 Computer Bus 12 Volts DC
8P1 C-03 Computer Bus 12 Volts DC
8P1 C-12 Computer Bus 12 Volts DC
8P1 C-21 Computer Bus 12 Volts DC
8P1 C-30 Computer Bus 12 Volts DC
80A C-05 Front Drum Pump Control (Servo Driver 1)
0 to 2.8 ± 10% (110 mA) Volts Down;
0 to -2. 8 ± 10% (-110 mA) Volts Up
I/O 1 J6-41 (AO)
80E C-18 Front Drum Park Brake Solenoid 12 Volts Nominal I/O 1 J6-35-36 (DO)
80EP A-19 Front Drum Brake Pedal
0 Volts Neutral; 1.4 to 5 Volts Lower;
5 to 8.6 Volts Raise
I/O 2 J7-64 (AI)
80F C-16 Front Drum Hydraulic Clutch Solenoid 12 Volts Nominal I/O 1 J6-31-32 (DO)
80FS C-28 Front Drum Spring Clutch Solenoid 12 Volts Nominal I/O 2 J8-27-28 (DO)
80G E-33 Rotating Bed Auto-Lube Relay 12 Volts Nominal I/O 4 J12-25-26 (DO)
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