Page 164 - Improving Machinery Reliability
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136 Improving Machinery Reliability
3. Required torque for locknut
4. Surface-finish requirements for collar faces
“5. Preheat method and temperature requirements for “shrunk-on’’ collar
installation
c. Dimensioned shaft end(s) for coupling mounting(s)
d. Bill of materials
4. *Thrust-bearing assembly drawing and bill of materials
5. *Journal-bearing assembly drawing and bill of materials
6. *Packing and/or labyrinth drawings and bill of materials
7. Coupling assembly drawing and bill of materials
8. Gland sealing and leakoff schematic including:
a. Steady-state and transient steam and air flows and pressures
b. Relief and control valve settings
c. Utility requirements including electrical, water, steam and air
d. Pipe and valve sizes
e. Bill of materials
9. *Gland sealing and leakoff arrangement drawing and list of connections
10. Gland Sealing and leakoff component outline and sectional drawings and data
including:
a. Gland condenser fabrication drawing and bill of materials, also completed
API data form for condenser
b. Air or water ejector drawing and performance curves
c. Control valves, relief valves, and instrumentation
d. Vacuum pump schematic, performance curves, cross section, outline draw-
ing, and utility requirements (if pump is furnished)
1 1. Lube oil schematic, including:
*a. Steady-state and transient oil flows and pressures at each use point
b. Control, alarm, and trip settings (pressure and recommended temperature)
c. Heat loads at each use point and maximum load
d. Pipe and valve sizes
e. Utility requirements including electrical, water, and air
f. Bill of materials
12. Lube oil system arrangement drawing and list of connections
13. Lube oil component drawings and data, including:
a. Pumps and drivers:
1. Certified dimensional outline drawing
2. Cross section and bill of materials
3. Mechanical seal drawing and bill of materials
4. Performance curves for centrifugal pumps
5. Instruction and operating manuals with completed API data forms for drivers
b. Coolers, filters, and reservoir
1. Fabrication drawings
2. Maximum, minimum, and normal liquid levels in reservoir
3. Completed TEMA data sheets for coolers
c. Instrumentation:
1. Controllers
2. Switches