13. Attenuator is leaking water between the main housing and end cap
A leak in this location is not field repairable. Do not attempt to repair. Contact Flow Technical Service.
14. High-pressure tubing is leaking
Excessive torsional movement or
alternating load (relative movement
of fitting components)
Re-torque the fitting to recommended torque values; repair or replace as required.
High-pressure collar incorrectly
installed
Allow 2 to 3 threads between collar and tip.
Coning and/or threading of tubing
is incorrect
Recone and rethread the leaky fitting if retorquing does not eliminate leakage.
Eroded fitting Replace fitting.
15. Electric motor will not start
E-stop is engaged Release the E-stop.
Abrasive proximity switch is open Refer to manual M-359, Paser ECL Plus.
Main electrical disconnect is open Close the main electrical disconnect.
Line fuses are blown are missing Check for the cause of blown or missing fuses. Replace affected fuses.
Motor relay is open Check wiring diagram for a control relay. Replace relay if defective.
Defective motor starter coil Check for defects by testing with power applied to the coil. Replace motor starter coil if
defective.
Start circuit is wired incorrectly Check wiring against wiring diagram and correct all errors.
16. Electric motor will not stop
Defective motor starter Check relays and replace if defective.
Stop circuit is wired incorrectly Check wiring against wiring diagram and correct all errors.
17. Electric motor is excessively noisy.
No bearing lubrication Lubricate electric motor bearings.
Loose mounting bolts Adjust and tighten mounting bolts.
18. Electric motor runs briefly, then stops
Loss of one phase of electric power Make sure all lines are energized. Correct power loss problems as necessary.
Magnetic overload adjustment is set
too low
Readjust the overload to a higher setting, but do not exceed 130% of the motor's full
load current.
© Flow International Corporation M-390 | 37
CHAPTER 4
Maintenance & Troubleshooting
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