Hale Q Series Muscle - Manual (Page 60)

 Basic Operation
60 MUSCLE (Midship) Pumps Installation, Operation, and Maintenance Manual
p/n: 029-0020-63-0
 Air enters with the water - Air leaks can cause rough operation and an
increase in engine speed without an increase in pressure or flow. If an air leak
is suspected, discontinue pumping. See heading “Troubleshooting” on page
93.
 Hot water - See heading “Lift Loss from Temperature” on page 195.
 Low barometer - See heading “Lift Loss from Barometric Reading” on page
196.
 High lift - see Table G-1: “Lift Loss from Elevation” on page 195.
Note: Also see Section Appendix G: “Cavitation” on page 193.
16. If a pump shutdown is desired while pumping from draft, reduce the engine speed
to IDLE and close the discharge valves.
17. To resume pumping, open the throttle and discharge valves. If the pump over-
heats from continued churning without water flow, open the discharge valves peri-
odically to release hot water.
18. Set the automatic relief valve according to your fire department policy. If your fire
department does not have a policy, see heading “TPM Operation from a Hydrant”
on page 57.
19. To avoid pump overheating, if not equipped with the Hale TRV valve, open the
pump auxiliary cooling system valve, or slightly open the tank fill line.
20. After completion of pumping procedures, gradually reduce the engine RPM to
IDLE speed. See heading “Pump-To-Road Shift Procedures” on page 65. Disen-
gage the PTO per the PTO manufacturer’s instructions. Also see heading “Post
Operation Procedures” on page 69.
Pumping from On Board Water Tank (Split-Shaft PTO)
1. Position the truck for the best hydrant hookup and discharge hose layout.
2. Bring the truck to a complete stop, apply the truck parking brake, shift the truck
transmission to the NEUTRAL position. See WARNING! note on page 53.
3. Make sure the truck is at a complete stop before you attempt to shift from ROAD
to PUMP.
4. Move the in-cab pump shift control valve to the PUMP position. The shift warning
lights illuminate, indicating a complete shift. (See Figure 4-1: “Driver’s Compart-
ment Indicator Lights” on page 55.)
Note: If the truck manufacturer has used another in-cab valve to achieve pump shift or offers
an electric switch, follow the instructions supplied with that valve.
5. 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.