TM 10-6640-215-13
2-2. OPERATOR CONTROLS AND INDICATORS - continued .
Table 2-9. Water System Controls and Indicators
Control or Indicator
Function
Water Pump ON/OFF Controller
Energizes motor start/stop circuit at pressure switch.
Pressure Switch
Starts and stop the water pump automatically at the required
pressures.
Water Pressure Gage
Indicates the water pressure maintained by the water pump
during operation.
Water System Isolation and Service Valves
Provides for isolation, system line up from various supply
sources, drainage, and service access to the water system
in the Petroleum Laboratory.
h.
Balance System Controls and Indicators. Refer to appropriate equipment TM listed in Appendix A for
balance system controls and indicators.
i.
Gum Bath System Controls and Indicators. Figure 2-10 and Table 2-10 list the controls and indicators
for the gum bath system.
2-19
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