Hale SMR - Manual (Page 37)

Stainless Max Series Pumps 3-3
Operating Procedures
8. Exit the driving
compartment
only after all the
above steps are
completed and
you are sure
that the shift
completed lights
in the cab and
panel are on.
CAUTION !
DO NOT OPEN THE
THROTTLE UNLESS
THE GREEN INDICA-
TOR LIGHT IS ON. (ALSO SEE FIGURE 3-2: “PUMP OPERATOR’S
PANEL.”)
9. Verify that the pump panel shift indicator green “OK TO PUMP”
light is on.
10. Open the hydrant. Bleed off the air from the suction hose.
11. If necessary, open the suction valve to allow fluid to flow into the
pump.
12. If necessary to eliminate air pockets, open appropriate valve to
expel air or prime the pump, if so equipped.
13. Note the discharge pressures and intake pressures as appli-
cable, then open the engine throttle gradually until the master
discharge gauge indicates the desired pressure.
14. Set the automatic relief valve or governor control system accord-
ing to your company policy, if so equipped.
CAUTION!
DO NOT REDUCE THE PRESSURE ON THE INTAKE GAUGE BELOW
ZERO; SERIOUS DAMAGE TO THE WATER MAIN COULD RESULT.
15. If the master intake gauge shows a high vacuum before the
desired discharge pressure or flow is reached, it indicates that
you are getting all the water the suction piping (hydrant) can
supply.
Figure 3-2: Pump Operator's Panel
Ground
Throttle Control
NEUTRAL Safety Switch
PUMP ENGAGED
WHEN LIT
OK TO PUMP
WHEN LIT
WARNING DANGER