when setting up a portable ground monitor, the supply hose should be in a straight line for a distance of a least ____ ft.
10ft
horizontal rotation of a ground monitor should be limited to ____ in either direction
45 degrees
a ____ hitch should be used to secure the base of the ground monitor to the supply hose.
clove hitch
when the monitor is in the portable mode it should not be lowered below ____ degrees
25 degrees
what must be engaged to prevent horizontal swing of the ground monitor?
horizontal lock
hose clamps should be placed ___- ___ ft from apparatus.
10-15 ft behind the apparatus
NP, & gpm for penetrating nozzles
100psi, 95gpm
main cause of pump cavitation when pumping a hydrant?
- trying to pump more water than the hydrant can supply
- using to small an intake hose
most critical gauges to be observed in pumping operation?
static & residual pump pressure, fuel, oil, eng. temp, rpm, & eng. pressure.
what should be done following a pumping operation
apparatus should be checked for any maintenance needs
a speed of ___ mph should not be exceeded when laying a supply line
15 mph to prevent damage to hose and apparatus.
minimum distance allowed to park by electrical lines involved in structure
30 ft
3 important things to consider as a forward pumper.
- apparatus placement
- fire conditions that may effect the operator
- volume of pump water
3 important factors of a key pumper
- hydrant capabilities
- never pump higher than 150psi (intake pressure)
- constant pressure on supply line
normal engine operating temp?
160-190 F.
