PFT Conveying Pump ZP 3 XL MIX Part 2 Overview – Operation - Spare Parts Lists
Troubleshooting Tasks
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Fault
Possible cause
Fault elimination
Elimination by
Rotor worn out or defective
Replace the rotor
Service fitter
Stator worn out or tensioning clip
too loose
Replace the stator or tighten the
tensioning clip
Service fitter
Non-original PFT spare parts
Use original PFT- spare parts
Service fitter
Main reversal switch not turned on Activate the main switch
Operator
Drum mixer not turned on
Turning on the drum mixer
Operator
Extension cable between switch
cabinet and mixer is missing
Attach the extension cable
Operator
Mixer motor defective
Replace mixer motor
Service fitter
Drum mixer
does not start
Foreign object between gear rim
and drive pinion
Remove foreign object
Operator
Indicator light
is red, fault is
lighted
Overload due to blocked pump
with dried material
Let the machine run backwards,
remove and clean pump
Operator
10.6 Signs for Hose Blockage:
Task done by operator:
Blockage can occur inside the pressure flange or inside
material hoses
Signs for this are:
Rapidly increasing pump pressure
Blocking of pump,
Heavy or blocked pump motor
Expansion and rotation of material hose
No material exit at hose end
10.7 Possible Causes:
Severely worn out material hoses
Poorly lubricated material hoses
Rest water in the material hose,
Clogging of the pressure flange,
Strong narrowing of the coupling,
Kink in material hose,
Leakage on the couplings,
Poorly pumping capable and segregated materials
