CHAPTER 2
OPERATING INSTRUCTIONS
Section I. SERVICE UPON RECEIPT OF MATERIAL
2-1. Inspection and Servicing Equipment
drive belt for proper tension (para 4-12). Check engine
Visually inspect entire roller for loss of parts or damage.
for lube oil and fuel tank for fuel supply. Check that
Check engine assembly for secure mounting. Check
battery cells are full.
Section II. CONTROLS AND INSTRUMENTS
2-2. General
2-1. It indicates the engine oil pressure, and has a range.
This section describes the various controls and
of 0 to 60 PSI.
Normal operating pressure is
instruments and provides the operator/crew sufficient
approximately 35 PSI.
information to insure proper operation of the roller.
2-3. Controls and Instruments
It indicates if the engine is charging or discharging and
a. "Run-Stop" Switch. This switch is shown in figure 2-
has a range of minus 15 to plus 15 amperes.
1. It is a toggle switch and allows the engine to run when
in the "up" position and stops the engine by grounding in
indicates the total engine running time in hours and tenths
the "down" position.
of an hour.
g. Oil Temperature Switch. This switch is located in
switch that is normally ON in the "down" position and
the engine oil pan, at the accessory end of the engine. It
momentarily OFF in the " p" position. When starting the
u
is wired to the magneto and will stop the engine if the oil
engine it is held in the "up" position until oil pressure
reaches excessively high temperatures.
shows on the oil pressure gauge.
h. Power Takeoff Operating Lever. This lever shown in
Figure 2-1. It engages and disengages the clutch located
is a toggle switch that is normally OFF in the "down"
within the power takeoff.
position and momentarily ON in the "up" position. This is
i. Fuel Level Gauge. This gauge is shown in Figure 1-
the engine starting switch and is held in the "up" position
1. It indicates the amount of fuel in the fuel tank.
to start the engine.
Section III. OPERATION UNDER USUAL CONDITIONS
2-5. Starting
2-4. General
a. Preparation for Starting.
a. The instructions in this section are published for the
(1) Perform the preventive maintenance services.
information and guidance of personnel responsible for the
(para 3-4)
operation of the roller.
(2) Lubricate the roller as specified in the LO 5-
b. The operator must know how to perform every
3895-341-12.
operation of which the roller is capable. This section
(3) Insure the fuel shutoff valve (fig. 4-3) is in
contains instructions on starting and stopping the roller,
on operation of the roller, and on coordinating the basic
"open" position.
(4) Place power takeoff operating lever (fig. 2-1) in
motions to perform the specific tasks for which the
disengaged position.
equipment is designed. Since nearly every job presents a
(5) Place engine throttle in idle position (TM 5-2805-
different problem, the operator may have to vary given
258-14).
procedures to fit the individual job.
2-1
