Maintenance; Precautions; Inspection; Tighten The Bonnet Fasteners - ITT Advantage Actuator 2.0 Maintenance Manual

Maintenance

Precautions

WARNING:
• All procedures must be performed by qualified personnel.
• When the process fluid is hazardous, thermal (hot or cold), or corrosive, take extra precautions.
Employ the appropriate safety devices and be prepared to control a process media leak.
• Always wear protective clothing and equipment to safeguard the eyes, face, hands, skin, and lungs
from the particular fluid in the line.
CAUTION:
• Disconnect electrical, pneumatic, and hydraulic power before servicing actuator or automation
components.

Inspection

Inspection area
External valve parts
Non sealed bonnet
Sealed bonnet
Actuator's bonnet weep hole and
air ports
Topworks
Diaphragm and valve body
For more information, see:
• Replace the valve diaphragm in this manual.
• Replace the spindle o-rings in this manual.
• Lubrication requirements in this manual.
• Tighten the bonnet fasteners in this manual.

Tighten the bonnet fasteners

CAUTION:
Do not tighten fasteners while the system is pressurized or at elevated temperatures (greater than 100°F
(38°C)).
1. Depressurize the system.
2. Use regulated air pressure to position diaphragm so that valve is slightly open.
You may need to use air pressure to actuate the valve.
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Advantage Actuator 2.0 Maintenance Manual
What to look for
Excessive wear or corrosion
Fluid weeping from the plug
Fluid weeping from the plug
Loosen the v-notch vent plug 2-3
turns to check
Air pressure
Spindle binding, excessive noise,
or dried lubricant
Leakage between the diaphragm
and valve body
Maintenance
Action if problem is found
• Replace the affected parts
• Contact ITT to obtain
replacement parts or for
specific instructions
Replace the valve diaphragm
Replace the valve diaphragm
Lubricate the actuator
Tighten the bonnet fasteners
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