Hale SMR - Manual (Page 43)

Stainless Max Series Pumps 3-9
Operating Procedures
14. If a pump shutdown is desired while pumping from draft, reduce
the engine speed to idle, and close the discharge valves.
To resume pumping, open the throttle and discharge valves. If
the pump overheats from continued churning without water flow,
open the discharge valves periodically to release hot water.
14. Set the automatic relief valve according to department policy.
See heading “Relief Valve Procedures” on page 3-12.
15. If the pump overheats and is not equipped with the Hale TRV
Valve, open the valve to access the pump auxiliary cooling
system, or slightly open the drain line.
16. After completing pumping procedures, gradually reduce the
engine RPM to idle speed and disengage the PTO. See heading
“Post-Operation Procedure” on page 3-16.
Pumping from Onboard Water Tank
1. Position the truck for convenient discharge hose layout, and bring
the truck to a complete stop.
NOTICE !
REFER TO THE FIRE DEPARTMENT PROCEDURES ON SETTING WHEEL
CHOCKS AS WELL AS LAY OUT AND CONNECTION OF SUCTION AND
DISCHARGE HOSES.
2. Bring the truck to a complete stop before attempting to shift from
ROAD to PUMP.
3. Apply the truck parking brake.
4. Shift the truck transmission to the NEUTRAL position.
5. Move the in-cab pump shift control valve from ROAD to PUMP.
Within a second or two the shift warning indicator turns ON,
indicating a completed shift.
If the truck manufacturer has used another in-cab valve to
achieve pump shift, follow the instructions supplied with the
valve.
6. After pump shift iscompleted, place the truck transmission in the
proper pump operating range or gear.