Hale RSD - Manual (Page 42)

❑ Operation
42 Section 3: Operating
Hale Products, Inc., Nov.2005, Rev-A
TPM System with Engine Governor
1. Set the pressure indicator on the PMD control valve to a position slightly
above the normal operating pressure (even before water starts to flow).
2. Power on the governor control per the manufacturer’s manual.
3. Set the discharge pressure using the RPM mode of the pressure governor
control.
4. Move the TPM handwheel counterclockwise until the relief valve opens and
the AMBER pilot light illuminates.
5. Turn the handwheel slowly clockwise until the AMBER light just goes out.
Then turn the handwheel one additional full turn clockwise.
CAUTION !
THE TPM PRESSURE CONTROL VALVE MUST BE SET SLIGHTLY HIGHER THAN
THE GOVERNOR CONTROL FOR PROPER OPERATION.
6. Place the governor control in the PRESSURE GOVERNOR mode; the sys-
tem is now set.
7. Use the following procedures to change the set pressure while running:
Increasing Pressure
❑ Set the TPM to a pressure (by the indicator) slightly higher than the
desired new pressure.
❑ Place the governor control in the RPM mode, and increase the speed to
the new pressure.
❑ Turn the TPM handwheel counterclockwise until the relief valve opens and
the AMBER pilot light illuminates. (See Figure 3-3: “TPM / PMD Relief
Valve Control” on page 41.)
❑ Turn the handwheel slowly clockwise, until the AMBER light just goes out.
Then turn the handwheel one additional full turn clockwise for proper
operation.
CAUTION !
THE TPM PRESSURE CONTROL VALVE MUST BE SET SLIGHTLY HIGHER THAN
THE GOVERNOR CONTROL FOR PROPER OPERATION.
❑ Place the governor control in the pressure governor mode; the system is
now set.