Manitowoc 2250 Service Maintenance Manual

Reference Only
Manitowoc Published 07-19-16, Control # 249-01 3-17
2250 SERVICE/MAINTENANCE MANUAL ELECTRICAL SYSTEM
3
MAX-ER Controller Pin Identification
Pin Wire Description
Test Voltage
(DC unless otherwise specified)
Board
(signal type)
A-01 87FM 10 Volt Regulated Supply 10 Volts
A-03 89F4 Mast Angle Limit 12 Volts Nominal (AI)
A-04 89G4 Drum 9 Minimum Bail Limit Switch 12 Volts Nominal (AI)
A-05 89H4 Remote Switches 12 Volts Nominal (AI)
A-06 89J4
Counterweight Raise Pendant Cylinder
Retract
12 Volts Nominal (AI)
A-07 89K4
Counterweight Lower Pendant Cylinder
Extend
12 Volts Nominal (AI)
A-08 89L4 Left Pendant Cylinder Limit Switch 12 Volts Nominal (AI)
A-20 90QL Left Pendant Cylinder Rod Pressure Sender 1.2 Volts at 300 psi, 1 Volt at 0 psi (AI)
A-21 90QR
Right Pendant Cylinder Rod Pressure
Sender
1.2 Volts at 300 psi, 1 Volt at 0 psi (AI)
A-22 99B Counterweight Level Sensor
5 Volts at 0°, 0.5 Volts Change Per
1°
(AI)
A-23 89P4 Rear Drum Pawl Limit Switch 12 Volts Nominal (AI)
A-24 90RP
Right Pendant Cylinder Piston Pressure
Sender
1.2 Volts at 300 psi, 1 Volt at 0 psi (AI)
A-36 90QM Mast Accumulator Pressure Sender 1.2 Volts at 300 psi, 1 Volt at 0 psi (AI)
C-01 8N MAX-ER PC Power 12 Volts
C-02 0 MAX-ER PC Ground Ground
C-03 8N MAX-ER PC Power 12 Volts
C-04 0 MAX-ER PC Ground Ground
C-05 88MC Drum 9 Left and Right Motor Control -5 Volts to 5 Volts (DO)
C-07 88D Travel/Drum 9 Diverting Valve Solenoid 12 Volts Nominal (DO)
C-08 90CR Pendant Cylinder Extend Solenoid 12 Volts Nominal (DO)
C-09 90DR Pendant Cylinder Retract Solenoid 12 Volts Nominal (DO)
C-10 25XM Swing/Travel Alarm 12 Volts Nominal (DO)
C-11 DO5 Spare
C-12 8N MAX-ER PC Power 12 Volts
C-13 0 MAX-ER PC Ground Ground
C-16 88E Drum 9 Brake 12 Volts Nominal (DO)
C-17 88C Drum 9 Pawl-In Relay 12 Volts Nominal (DO)
C-18 88CA Drum 9 Pawl-Out Relay 12 Volts Nominal (DO)
C-19 81C
Rear or Right Rear Drum Pawl-In Air
Solenoid
12 Volts Nominal (DO)
C-20 81CA
Rear or Right Rear Drum Pawl-Out Air
Solenoid
12 Volts Nominal (DO)
C-21 8N MAX-ER PC Power 12 Volts

Manitowoc 2250 Specifications

General

Brand	Manitowoc
Model	2250
Category	Construction Equipment
Language	English