Pumping Flashcards
Pump Recirculating Line Valve:
When opened, water from the discharge side of the pump is sent to the water tank through a __ line.
1⁄2”
Auxiliary Engine Cooler Control:
Directs pump water to a heat exchanger where ___ circulates through, thus
lowering engine coolant temperature. Use during engine overheat situation.
engine coolant
Manual Cab Tilt Hand Pump :
Used to manually tilt the cab. Jack handle is located behind the ____
driver’s seat.
Manual Pump Shift Procedure:
- Set maxi-brake.
- Shift transmission to N (Neutral).
- Move cab pump shift lever to the ____.
- Shut down engine.
center position
Manual Pump Shift Procedure:
- Pull ___ (located on right side pump panel).
- Start engine.
- Place the emergency override switch (right of steering column) in the “____” position.
- Shift transmission into D (Drive).
manual pump shift override handle /
ON
If the pump is operating at a high lift, or pumping a large amount of water, using the ___ position may be necessary to avoid cavitation.
VOLUME
The transfer valve may be changed from one position to the other while operating the pump. Slow the engine speed to reduce the discharge pressure to ___ or less.
75 psi
Discharge pressure must be at least ___ greater than intake pressure in order for the relief valve to operate properly.
50 psi
OPERATING RANGE OF RELIEF VALVE IS BETWEEN ____ PSI.
70 AND 300