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GP 12 How to Check a Solenoid or Clutch
Description
Use this procedure to check a clutch or solenoid.
Initial Actions
WARNING
Switch off the electricity to the machine, GP 14. Disconnect the power lead from the
customer supply while tasks are performed that do not need the electricity. The electric-
ity can cause the death or injury of persons. The moving components can cause the
injury of persons.
1.
For a clutch, check that the mechanical components are clean, free to move and lubri-
cated correctly
2.
For a solenoid, check that the armature and associated mechanical components are free
to move.
Procedure
NOTE: The voltages, PJ numbers, pin numbers and PWB names shown are an example only.
Go to the circuit diagram in the RAP for the correct information.
NOTE: When a solenoid is energized in diagnostics, armature movement is seen. When a
clutch is energized in diagnostics, the sound of the clutch action is heard. If possible, energize
the motor connected to the clutch to confirm when the clutch is energized.
•
Go to Flag 1. Check that the signal changes on the IOT PWB when the component con-
trol code for the clutch or solenoid is entered.
•
Go to Flag 2. Disconnect PJC. Check that +24V is measured when the component control
code for the clutch or solenoid is entered.
•
Go to Flag 3. Disconnect PJD. Check for +24V on the LVPS.
•
Check the wiring and the connectors for the clutch or solenoid circuit.
References:
•
01B 0V Distribution RAP.
•
01G +24V Distribution RAP.
•
REP 1.2 Wiring Harness Repairs.
General Procedures & Information
GP 12
August 2007
6-24
Figure 1 Circuit diagram
WorkCentre 5687 Family
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