Spraying-------------To uniformly apply a quantity of water measured in gallons per square yard over surface.
Transfer--------------To transfer water from one outside source to another without water entering the tank.
Auxiliary fire--------To extinguish or control fires with one or more discharge hoses.
fighting
Pumping service--Used for draining surface water ditches, barges, boats or for any other pumping or washing service
where a large volume of water is to be handled quickly.
b. Water Tank. The water tank (1, fig. 1) is a
1,000-gallon welded steel unit, oval in
cross section, and equipped with
a manhole and cover (1, fig. 2) and a water level gage (14).
c. Engine. The gasoline engine (2, fig. 1) is a
Wisconsin Model MVF4D four-cylinder, four-cycle air cooled unit.
It
is mounted on the operator's platform of the distributor and coupled to the pump (6, fig. 4).
d. Water Pump. The water pump assembly (6) is a Marlow Model 4D2 centrifugal pump coupled directly to the
engine crankshaft. The pump and engine are mounted at the center of the operator's platform. This pump
normally operates within the pressure range of 10 to 30 pounds per square inch during the spraying operation.
e. Spraybar Assembly. The spraybar assembly (14) is made up of a framework of discharge lines and a number of
spraybar sections which are atached to the vertical lift frame assembly at the rear of the carrier frame (fig. 4).
Auxiliary extensions of spraybar are stowed in the tool box (fig. 12) on the distributor. In the bottom of the
spraybars are nozzles where the water is discharged. These spraybars may be used in various combinations
which will cover any desired width from 4 feet to 16 feet in increments of 1 or 2 feet.
1 Clearance light
2 Turn signal light
3 Turn signal guard
Figure 3. Water distributor, front.
4