Maintenance And Repair - Honeywell 9410 Series Installation, Operation & Maintenance Manual

5. Maintenance and Repair

REGULAR INSPECTION
Repair and inspect as described below. If any malfunction occurs, take appropriate measures according to
the preventive maintenance procedures and troubleshooting in Chapter 6. Also, disassemble and inspect the
valve body and actuator during the regular overhaul period, and replace parts if necessary.
♣ RECOMMENDATIONS
The life span of the valve can increase if you replace parts according to their replacement cycles. Refer
to the Part Replacement Cycle Sheet shown below.
Item Name
Packing
Gasket
Ball
Seat
IRREGULAR INSPECTIONS
① Are there abnormal noise, vibration or hunting?
② Is there any leak from the seat?
③ Are there any loose bolts and nuts?
Part Replacement Cycle Sheet
Replacement Cycle
2 years
2 years
2 years
2 years
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Others
Replace after inspection according to the fluid
conditions and used environment.
Replace after inspection according to the fluid
conditions and used environment.