5 – 3
Section 5 • Maintenance/Service
VSS/VSM/VSH/VSSH • Installation, Operation and Maintenance Manual • Emerson • 35391SD
Discharge
Pressure
(PSIG)
Differentinal
Pressure
(PSIG)
Service Interval (Hours)
5,000
7500
10,000
15,000
20,000
25,000
30,000
35,000
40,000
45,000
50,000
55,000
60,000
65,000
70,000
75,000
80,000
85,000
90,000
95,000
100,000
300
(1)
- 800
200- 300 - - - I - - - I - - - I - - I - - I - - R
300 - 400 - I - I - I - R - I - I - I - I - I R I -
400- 500 I - I - I - R - I - I - R - I - I - R - I
500- 600 I - I - I R I - I - R - I - I R I - I - R
I = Inspect* R = Replace Bearings & Inspect per Chart
Table 5-2b. Maintenance/Service Schedule (For VSH/VSSH Compressor Only)
NOTE
Upon Inspection, if any component shows
wear beyond what is allowed in the Service
section of this document, the component(s)
must be replaced.
Notes: *: Inspection includes - Gaterotor Inspection (backlash measurement, shelf clearance and gaterotor oat), End Play Measurement (main rotor & gaterotor), Slide Valve
Inspection (if applicable).
(1): For Discharge pressure under 300 PSIG, please use Table 5-1a for maintenance and service schedule.
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