DeZurik POWERRAC R3 Manual de instalação e operação - Página 15

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Troubleshooting

Condition
Actuator closes to
wrong position
Actuator opens to
wrong position
Actuator will not fully
operate valve
Actuator rotates wrong
direction
August 2016
R3 PowerRac
Possible Cause
Closed position stop is set
incorrectly
Open position stop is set
incorrectly
Cylinder pressure is low
Actuator is sized incorrectly
Piston seal in cylinder is leaking
Pipeline obstruction in valve is
preventing closure
Lockable Model is locked.
Air connections to cylinder are incorrect
Page 15
DeZURIK
Cylinder Actuator
TM
Corrective Action
Adjust closed position stop.
See
OPEN AND CLOSED STOPS.
Adjust open position stop. See
OPEN AND CLOSED STOPS.
Increase cylinder pressure.
Do not exceed 100 psi (69
kPa).
Use larger actuator
Replace piston seal(s). See
ACTUATOR DISASSEMBLY
AND REASSEMBLY.
Remove obstruction
Place in unlocked condition.
See LOCKABLE MODEL.
Reverse air connections to
cylinder
D10359