Hale RSD - Manual (Page 43)

43 Section 3: Operating
Hale Products, Inc., Nov.2005, Rev-A
O p er atio n
❑
Decreasing Pressure
❑ Put the governor control in the RPM mode, and reduce the speed to the
new pressure.
❑ 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; the
system is now set.
3.8 EMERGENCY PUMP SHIFT PROCEDURES
Before implementing manual override shift procedures, repeat recommended
shift procedures. If the shift fails, proceed as follows:
1. Bring the truck to a complete stop.
2. Apply the truck parking brake, and chock the wheels.
3. Shift the truck transmission to the NEUTRAL position.
4. For PUMP or ROAD position, place the in-cab shift control in the NEUTRAL
(N) position. (Neutral position is exactly in the middle of the ROAD and
PUMP position.
5. Shut down the engine.
WARNING !
DO NOT ATTEMPT EMERGENCY SHIFT PROCEDURES WHILE THE ENGINE IS
RUNNING.
6. Employ manual override procedure at the shift cylinder on the pump gear-
box as follows:
❑ An eyebolt is provided in the shift shaft to accept a drift punch or
screwdriver.