Book 29 Portable Monitor Flashcards
PM is comprised of a
Crossfire Upper Assembly, Stow a way 800 base, built in shut off, Master stream 1000 and tie down strap.
The inlet on the monitor consists of a
4” NH rocker lug swivel inlet.
Danger: ____ can cause portable monitors to slide or lift off of the ground which can result in injury or death.
low nozzle elevation.
Danger: to reduce the risk of instability, do not ______ with water flowing
attempt to move the monitor
Warning: Make sure the ____ are locked in position with ______ in contact with the ground
base legs / all leg spikes
Warning: Securely tie the monitor to an object capable of withstanding _____ of force.
900 lbs (400kg)
Crossfire upper assembly weights
17 pounds
Stow-a-way 800 base weights ____ including the integrated 4” in-line shutoff valve that weights _____
43.7 pounds / 23 pounds
The total weight of the PM is approximately
61 pounds
Automatic drain empties the water from a low point in the monitor piping to _____
prevent freezing and help empty hose lines.
The automatic drain valve is designed to close when the pressure in the monitor exceeds approximately
5 psi.
Crossfire upper assemble components
Carrying handle/ elevation pin stop/ automatic drain/ grease fitting/ Pressure gauge/ Elevation control/ Rotation lock/ Safety plunger/ Slide bar/ Pawls
Stow-a-way 800 base allows the monitor to be
positioned close the fire.
The legs are made of _______ and will _____
stainless spring steel and will flex when in use to compensate for small ground irregularities.
It is intended for maximum flows of
800 gpm
TFT has allowed LAFD to flow up to ____ as long as it is attached to a ____
1000 gpm / a loop of loaded 4” supply
Stowaway 800 base components
inlet/ anchor strap & storage cover/ carrying handle/ anchor attachment point/ in line shutoff valve/ leg lock knob/ stainless steel leg.
Quick connect swivel joint: a ____ engages in the slide bar to prevent accidental unlocking of the slide bar when under pressure
a safety plunger engages.
Tie down strap: Is made of _____ and is ____ in length
nylon webbing and is 8 feet in length.
Turn elevation hand wheel to make sure the elevation of the nozzle is above_____
35 degree safety stop.
When the nozzle is at an angle of ____ the force acting sideways is equal to the force acting downward on the base.
45 degrees.
At an angle of _____ (the angel at the elevation safety stop). Approx ____ of the nozzle reaction force is acting sideways on the base.
35 degrees / 82%
Portable base leg spikes: The crossfire portable monitor has ____ on the legs and the base to resist sliding by digging in to the surface the monitor is sitting on .
5 or 6 tungsten carbide tipped spikes
Replace any spike if the tip diameter exceeds
1/16” inch
Secure portable monitor to a ____ with the tie down strap
10’ diameter loop of 4” hose
Hose connection: Make he hose connection to the portable base and extend the hose straight back at least ____
10 feet.
Before each use:
waterway is clear of obstructions, gaskets are in good repair, hose and nozzle are securely attached, all valves open and close fully and smoothly
350 GPM?
105 PSI
500 GPM?
110 PSI
750 GPM?
115 PSI
1000 GPM
125 PSI
Master Stream 1000 is the ___ nozzle that is to be used with this appliance
ONLY
Worm gear lubrication:
Turn the elevation handwheel to move the nozzle to its highest elevation and ______
pump grease (medium viscosity automotive) into the fitting in the worm gear housing until excess appears.
