Table 2-8. Vacuum System Controls and Indicators

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Figure 2-7. Air System Controls and Indicators (Sheet 3 of 3)

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TM-10-6640-239-13 Semi-Trailer Mounted Petroleum Laboratory (Mod Lab B) (NSN 6640-01-485-5439) (EIC: ZBR) Manual

Figure 2-8. Vacuum System Controls and Indicators

TM 10-6640-239-13 2-15 g. Vacuum System Controls and Indicators. Figure 2-8 and Table 2-8 list the controls and indicators for the vacuum system. Table 2-8. Vacuum System Controls and Indicators Index Number Control or Indicator Function 1 Vacuum Pump START/STOP Controller Starts and stops vacuum pump for system operation. 2 Vacuum System Oil Overflow Drainage Valve Provides oil overflow drainage. 3 Vacuum System Isolation Valve Provides system isolation. (Removes vacuum from laboratory lines). 4 Vacuum System Service Valves Provides system service access to vacuum system. Two are located on roadside wall and one in each fume hood.