Manitowoc 2250 Service And Maintenance Manual

Reference Only
Manitowoc Published 11-06-15, Control # 040-13 10-39
2250 SERVICE/MAINTENANCE MANUAL TROUBLESHOOTING
10
Test 5 — Testing the Pump EDC and Motor PCP
Testing a pump EDC or motor PCP requires a standard test
plug adapter (can be ordered from Manitowoc Cranes, Inc.)
and a digital multi-meter. To test a pump function:
• Disconnect the PC input cable from the pump EDC to be
tested.
• Connect the double-ended test plug adapter EDC.
• Leave the PC end of test plug disconnected.
• Set digital multi-meter for testing resistance.
• Connect white (positive) and black (negative) wires from
adapter cable to digital multi-meter jacks.
• Check the EDC resistance is between 15 and 19 ohms.
Leave test plug adapter installed at the pump EDC:
• Set the digital multi-meter for testing volts DC.
• Connect the PC input cable to PC end of test plug
adapter.
• With engine running, slowly enable test system control
handle.
• Check that the range of voltage change is between 0
and
+/-2.45 volts DC.
• Measure load current by connecting red and white wires
from adapter cable to digital multi-meter jacks.
To test motor function, remove the PC input line from the
motor PCP and connect the test plug adapter. Perform the
resistance and voltage tests as described for pump EDC.
Motor PCP coil resistance should be between 23 to 26 ohms.
The voltage should be between 0 and 1.96 volts DC.
Item Description
1 PC input cable
2 Adapter cable connections
3 Pump EDC
4 Test plug adapter
5Motor PCP
P1531P1530
4
3
5
1
2

Manitowoc 2250 Specifications

General

Brand	Manitowoc
Model	2250
Category	Construction Equipment
Language	English