Page 4. Paragraph 3e. 1 is added after paragraph 3e.
e 1. Spraybar Assembly (Model W15A-4112). The spraybar assembly (14, fig. 4. 1) is composed of a framework of
discharge lines and a number of spraybar sections which are attached to the vertical lift frame assembly at the rear of the
carrier chassis (fig. 4-1). Water is discharged from the spraybars through a series of nozzles located along the outer
surface of the spraybars. Auxiliary extensions of the spraybars are in the toolbox mounted on the left side of the
distributor. The spray bar extensions are fitted with quick disconnect couplings, permitting rapid assembly of various
spraybar configurations to cover any desired width from 8 feet to 24 feet in increments of one and two feet.
Page 8. Paragraph 5d is superseded as follows:
d. Performance.
Pumping pressure................................ ................................ ................................ .................... 10 to 50 pounds maximum
Spray range:
Model ................................ ................................ ................................ ................................ ....... 4 to 16 feet
Model W15A4112 ................................ ................................ ................................ .................... 8 to 4 feet
Page 13. Paragraph 12 is superseded as follows:
12. Engine Fuel Shutoff Valve
a. The Model W 15A water distributor engine fuel shutoff valve (3, fig. 10) is located on the carrier fuel strainer and
is used to stop the flow of fuel from the truck fuel tank to the distributor engine fuel pump (6, fig. 27). The Model
W15A4112 engine fuel shutoff valve is located at the fuel tank outlet (20, fig. 10. 1) and is used to stop the fuel flow to
the distributor engine.
b. Close spray bar valves (15 and 16, fig. 4), and discharge valve (15, fig. 11). Open suction valve (17, fig. 4).
c. Attach fire hose to fire hose outlet (6, fig. 9).
d. Start engine and pump (para. 34).
Page 13. Figure 10. 1 is added as follows:
3
