Manitowoc 777 Service And Maintenance Manual

Reference Only
ELECTRIC SYSTEM 777 SERVICE MANUAL
3-4 Published 10-01-2012, Control # 045-08
Pin Identification
Pin # Wire # I/O # Description
Test Voltage
(DC unless otherwise specified)
Connection
A-01 87F — 10 VDC Regulated 10 VDC
A-02 68KA AI-35 Foot Throttle 0.101 to 10.09 Volts CPU J3-64
A-03 80P AI-1 Front Drum Handle (Handle 1)
0 VDC Neutral; 5 to 1.4 VDC Lower;
5 to 8.6 VDC Raise
I/O 1 J5-50
A-04 81P AI-2 Rear Drum Handle (Handle 2)
0 VDC Neutral; 5 to 1.4 VDC Lower;
5 to 8.6 VDC Raise
I/O 1 J5-52
A-05 82P AI-3 Boom Cylinder Handle (Handle 3)
0 VDC Neutral; 5 to 1.4 VDC Lower;
5 to 8.6 VDC Raise
I/O 1 J5-54
A-06 83P AI-4 Right Track Handle (Handle 5)
0 VDC Neutral; 5 to 1.4 VDC Reverse;
5 to 8.6 VDC Forward
I/O 1 J5-56
A-07 84P AI-5 Left Track Handle (Handle 6)
0 VDC Neutral; 5 to 1.4 VDC Reverse;
5 to 8.6 VDC Forward
I/O 1 J5-58
A-08 85P AI-6 Swing Handle (Handle 4)
0 VDC Neutral; 5 to 1.4 VDC Right;
5 to 8.6 VDC Left
I/O 1 J5-60
A-09 86P AI-7 Auxiliary Drum Handle (Handle 7)
0 VDC Neutral; 5 to 1.4 VDC Lower;
5 to 8.6 VDC Raise
I/O 1 J5-62
A-10 AI-8 Spare I/O 1 J5-64
A-11 — Shield
A-12 83PF AI-9 Right Track Pedal 1
0 VDC Neutral; 5 to 1.4 VDC Reverse;
5 to 8.6 VDC Forward
I/O 2 J7-50
A-13 84PF AI-10 Left Track Pedal 2
0 VDC Neutral; 5 to 1.4 VDC Reverse;
5 to 8.6 VDC Forward
I/O 2 J7-52
A-14 8TA AI-11 Battery Voltage 6.5 VDC at 13 VDC I/O 2 J7-54
A-15 89ZL AI-12 Load Indicator Select Mode 12 VDC Nominal I/O 2 J7-56
A-16 87FM AI-13 10 VDC Regulated Monitor 5 VDC I/O 2 J7-58
A-17 68KK AI-14 Hand Throttle 12 VDC Nominal I/O 2 J7-60
A-18 89ZN AI-15 Load Indicator Display Scroll Up 12 VDC Nominal I/O 2 J7-62
A-19 89ZP AI-16 Load Indicator Display Scroll Down 12 VDC Nominal I/O 2 J7-64
A-20 82BA AI-17 Boom Angle Indicator 1.88 VDC at 0°F; 8.7 VDC 82°F; 6.88 VDC at 60°FCPU J3-49
A-21 87BA AI-18 Luffing Jib Angle Indicator 3.33 VDC at 0°F; 6.66 VDC 60°F; 7.88 VDC at 82°FCPU J3-51
A-22 80QS AI-19 Front Drum System Pressure (Pump 0A) 1 VDC at No Pressure; 1.2 VDC at 300 PSI CPU J3-53
A-23 81QS AI-20 Rear Drum System Pressure (Pump 1A) 1 VDC at No Pressure; 1.2 VDC at 300 PSI CPU J3-55
A-24 82QS AI-21 Boom Cylinder Extend Pressure 1 VDC at No Pressure; 1.2 VDC at 300 PSI CPU J3-57
A-25 85QR AI-22 Swing Right Pressure (Pump 3A) 1 VDC at No Pressure; 1.2 VDC at 300 PSI CPU J3-59
A-26 85QL AI-23 Swing Left Pressure (Pump 3B) 1 VDC at No Pressure; 1.2 VDC at 300 PSI CPU J3-61
A-27 86QS AI-24 Aux. Drum System Pressure (Pump 10A) 1 VDC at No Pressure; 1.2 VDC at 300 PSI CPU J3-63
A-28 82QR AI-25 Boom Cylinder Retract Pressure 1 VDC at No Pressure; 1.2 VDC at 300 PSI CPU J3-50
A-29 AI-26 Spare CPU J3-52
A-30 AI-27 Spare CPU J3-54
A-31 AI-28 Spare I/O 3 J9-50
A-32 AI-29 Spare I/O 3 J9-52
A-33 AI-30 Spare I/O 3 J9-54
A-34 SIG 1 AI-31 Load Cell 1 0 to10 VDC Nominal CPU J3-56
A-35 SIG 2 AI-32 Load Cell 2 0 to10 VDC Nominal CPU J3-58
A-36 SIG 3 AI-33 Load Cell 3 0 to10 VDC Nominal CPU J3-60
A-37 SIG 4 AI-34 Load Cell 4 0 to10 VDC Nominal CPU J3-62
B-01 89X DI-1 Travel Detent 12 VDC Nominal I/O 1 J6-07
B-02 89V DI-2 Front Drum Maximum Bail Limit 12 VDC Nominal I/O 1 J6-08
B-03 89T DI-3 Front Drum Minimum Bail Limit 12 VDC Nominal I/O 1 J6-09

Manitowoc 777 Specifications

General

Brand	Manitowoc
Model	777
Category	Construction Equipment
Language	English