DEPARTMENT OF THE ARMY
WASHINGTON, D.C., 1 September 1966
Operator and Organizational Maintenance Manual
TRUCK, FIRE FIGHTING: POWERED PUMPER; FOAM AND
WATER, 500-GPM; CENTRIFUGAL PUMP, POWER TAKE
OFF DRIVEN; 400-GAL WATER TANK, 40 GAL FOAM
CHEMICAL TANK (WARD LAFRANCE MODEL M44A1WLF)
NON-WINTERIZED FSN 4210-225-9127 (WARD LAFRANCE
MODEL M44A2WLF-W) WINTERIZED, FSN 4210-965-1306
TM 5-4210-205-12, 11 December 1964, is changed as follows:
Title is changed as shown above.
Page 100, chapter 6 is added after chapter 5.
Section I. GENERAL
b. The winterization kit is designed to provide heat
to maintain equipment and components at an operable
This supplement is published to provide
temperature and prevent fluid in the components and
operating and maintenance instructions for the
water tank from freezing when ambient temperature
winterization kit supplied with the Ward LaFrance Model
range is from +20° to -65° .
M44A2WLF Fire Truck.
Section II. DESCRIPTION
compartments; and an auxiliary motor-generator set (fig.
71.4) which enables the winterization kit to be operated
The winterization kit consists of four separate
with the fire truck engine at rest.
components which can be operated independently: an
engine radiator shutter mechanism (fig. 71.1) which can
147. Engine Radiator Shutters
be adjusted to restrict the amount of air flowing through
the engine radiator; a liquid heating unit (fig. 71.2)
which heats and circulates liquid through the engine,
The engine radiator shutter assembly is mounted
engine crankcase, battery compartment, personnel
directly in front of the engine radiator. A control cable
heater, water tank, and foam tank; a space heater (fig.
71.3) which heats and circulates air through the pump
connects the control knob,
compartment, hose reel compartment, and equipment