S149-01-880 Issue F
Page 28
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Maintenance
5.3
Maintenance plan
A typical maintenance plan for the Microvac pump is provided in
Table 5
.
Figure 13 - Typical vacuum system piping
Table 5 - Maintenance plan
Operation
Frequency
Inspect oil level
Daily
Check operating temperature 60-71 °C (140-160 °F)
Daily
Replace oil
Application dependent
Inspect valve decks
6 months
Inspect pulleys and belts
6 months
Inspect gas ballast valve
6 months
Inspect bearing condition
12 months
Clean the motor and drive
12 months
Inspect taper lock bushings on pulleys
After break in and 12 months
1. Vacuum chamber
2. Roughing valve
3. Roughing line
4. Air inlet valve
5. Gauge port
6. Mechanical fore pump
7. Optional foreline valve connection location
8. Optional hold pump connection location
9. Gauge port
10. Vapour pump
11. Valve
12. Alternate chamber gauge port location
