Hale Q Series Muscle - Manual (Page 68)

 Basic Operation
68 MUSCLE (Midship) Pumps Installation, Operation, and Maintenance Manual
p/n: 029-0020-63-0
6. Place the governor control in the PRESSURE GOVERNOR mode.
7. Use the following procedures to change the set pressure while running:
Increasing Pressure
 Set the TPM to a pressure 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 4-3: “TPM / PMD Relief Valve Control”
on page 67.)
 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.
 Place the governor control in the pressure governor mode.
Decreasing Pressure
 Put the governor control in the RPM mode, and reduce the speed to the new pres-
sure.
 Move the TPM handwheel counterclockwise until the relief valve opens and the
AMBER pilot light illuminates.
 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.
 Place the governor control in the PRESSURE GOVERNOR mode.