Taylor-Wharton EF-450 - Manual (Page 18)

MAINTENANCE
Routine inspections of the system are recommended. The need for maintenance usually becomes apparent
from inspection and indications of improper operation. Typical trouble indications include leakage from
valves or piping connections and excessive venting through relief valves. Keep a permanent log of all
inspections and repairs performed. Such a log can be valuable in evaluating performance and scheduling
maintenance.
Date Nature of Work (Describe in Full) Remarks Servicemen's Signature
Figure 9: Inspection and Repair Log (Sample Form)
Always observe the safety precautions at the front of this manual and follow the instructions given in this
section. Before working on the system, properly empty the vessel of liquid and relieve pressure on the vessel
and piping. Do not allow unqualified persons to attempt repairs on this equipment. Refer to the Trouble-
Remedy Guide in this manual for assistance in troubleshooting.
Leak Test
After making repairs requiring disassembly or replacement of components, leak test all valves or piping joints
that were taken apart and reconnected. Apply leak detector fluid to the test surface. Large leaks instantly
form large bubble clusters, while fine leaks produce white foam that builds up more slowly. All leaks must be
repaired and retested before the system is returned to service.
Globe Valves
All of the globe valves (V-1, V-2, V-3, & V-4) are an integral part of the system and are not easily removable.
However, the valves may be rebuilt without removal from the system. All of the globe valves use the same
rebuild kit. The Taylor-Wharton part number for the rebuild kit is 1750-9C35. All valve components, except
the body, are provided in the kit.
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