Manitowoc 999 Service And Maintenance Manual

Reference Only
Manitowoc Published 05-16-17, Control # 233-03 3-11
999 SERVICE/MAINTENANCE MANUAL ELECTRIC SYSTEM
3
C-20 68CB Engine Clutch Cylinder Speed Variable 0-12 Volts I/O 1 (DO)
C-21 8P1 Computer Bus 12 Volts DC
C-22 0 Main System Ground Bus 0 Volts
C-23 84A Left Track Pump Control (Servo Driver 5)
0 to 2.8 ± 10% (110 mA) Volts Reverse;
0 to -2. 8 ± 10% (-110 mA) Volts Forward
I/O 3 J10-41 (AO)
C-24 85A Swing Pump Control (Servo Driver 6)
0 to 2.8 ± 10% (110 mA) Volts Right;
0 to -2. 8 ± 10% (-110 mA) Volts Left
I/O 3 J10-42 (AO)
C-25 86E Auxiliary Drum Park Brake Solenoid 12 Volts Nominal I/O 2 J8-21-22 (DO)
C-26 52B Boom Hinge Pins Retract Solenoid 12 Volts Nominal I/O 2 J8-23-24 (DO)
C-27 25X Motion Alarm 12 Volts Nominal I/O 2 J8-25-26 (DO)
C-28 80FS Front Drum Spring Clutch Solenoid 12 Volts Nominal I/O 2 J8-27-28 (DO)
C-29 81FS Rear Drum Spring Clutch Solenoid 12 Volts Nominal I/O 2 J8-29-30 (DO)
C-30 8P1 Computer Bus 12 Volts DC
C-31 0 Main System Ground Bus 0 Volts
C-32 43 Gantry Cylinder Extend Solenoid 12 Volts Nominal I/O 2 J8-31-32 (DO)
C-33 44 Gantry Cylinder Retract Solenoid 12 Volts Nominal I/O 2 J8-33-34 (DO)
C-34 55D Mast Cylinder Extend Solenoid 12 Volts Nominal I/O 2 J8-35-36 (DO)
C-35 55C Mast Cylinder Retract Solenoid 12 Volts Nominal I/O 2 J8-37-38 (DO)
C-36 52A Boom Hinge Pins Extend Solenoid 12 Volts Nominal I/O 2 J8-39-40 (DO)
D-01 80MA Front Drum Flange Encoder CH A
7.5 Volts or 0 Volts Not Moving
3.5 Volts Moving
I/O 1 J6-01 (DI)
D-02 80MB Front Drum Flange Encoder CH B
7.5 Volts or 0 Volts Not Moving
3.5 Volts Moving
I/O 1 J6-02 (DI)
D-03 81MA Rear Drum Flange Encoder CH A
7.5 Volts or 0 Volts Not Moving
3.5 Volts Moving
I/O 1 J6-03 (DI)
D-04 81MB Rear Drum Flange Encoder CH B
7.5 Volts or 0 Volts Not Moving
3.5 Volts Moving
I/O 1 J6-04 (DI)
D-05 82MA Boom Hoist Shaft Encoder CH A
7.5 Volts or 0 Volts Not Moving
3.5 Volts Moving
I/O 2 J8-01 (DI)
D-06 82MB Boom Hoist Shaft Encoder CH B
7.5 Volts or 0 Volts Not Moving
3.5 Volts Moving
I/O 2 J8-02 (DI)
D-07 24 Engine RPM Magnetic Pick-Up
7.5 Volts or 0 Volts Not Moving
3.5 Volts Moving
I/O 1 J6-05 (DI)
D-08 89Y3 Front Drum Park Brake Switch 12 Volts Nominal I/O 3 J10-15 (DI)
D-09 89X3 Rear Drum Park Brake Switch 12 Volts Nominal I/O 3 J10-16 (DI)
D-10 89T4 Boom Drum Park Brake Switch 12 Volts Nominal I/O 3 J10-17 (DI)
D-11 89B4 Travel Park Brake Switch 12 Volts Nominal I/O 3 J10-18 (DI)
D-12 89S4 Auxiliary Drum Park Brake Switch 12 Volts Nominal I/O 3 J10-19 (DI)
D-13 89R1 Auxiliary Drum Minimum Bail Limit Switch 12 Volts Nominal I/O 3 J10-20 (DI)
D-15 85EA Swing Park Brake Switch 12 Volts Nominal I/O 4 J12-08 (DI)
D-16 37 RS232 (Receive from Laptop) CPU J4-02 (COMM)
D-17 36 RS232 (Transmit to Laptop) CPU J4-01 (COMM)
D-19 31 RS232 To Display - White CPU J4-05 (COMM)
D-20 30 RS232 To Display – Black (Ground) 0 Volts
CPU J4-07-08
(COMM)
D-21 35 RS232 Receive from LMI CPU J4-10 (COMM)
D-22 34 RS232 Transmit to LMI CPU J4-09 (COMM)
Pin Wire Description
Test Voltage
(DC unless otherwise specified)
Board
(Signal Type)

Manitowoc 999 Specifications

General

Brand	Manitowoc
Model	999
Category	Construction Equipment
Language	English