Section IV. OPERATION UNDER USUAL CONDITIONS

torque converter. The dial reads from 100 to 360

registers the amount of gasoline in the fuel tank.

degrees F. Any reading below 250 degrees is

The dial is marked E, , , 3/4, and F.

normal. If the reading exceeds 250 degrees, stop

f . Torque Converter Temperature Gage. T h e

operation of the tractor immediately and report the

torque converter temperature gage is located in the

lower right corner of the instrument panel. The

condition to the proper authority.

gage indicates the temperature of the fluid in the

Section IV. OPERATION UNDER USUAL CONDITIONS

2-10. General

Caution: Do not race engine when cold.

Lack of lubrication on internal parts can cause

a. The instruction in this section are for the

rapid engine wear.

information and guidance of personnel responsible

h. Hold accelerator pedal slightly depressed to

for the operation of the tractor.

obtain a steady fast idle engine speed, and allow

b. The operator must know how to perform

engine to warm up.

every operation of which the tractor is capable.

i. Immediately after starting engine and during

This section contains instructions on starting and

warm up, check for normal readings of engine oil

stopping the tractor, on operation of the tractor,

pressure gage (para 2-9 a), ammeter (para 2-9 b ) ,

and on coordinating the basic motions to perform

and engine temperature gage (para 2-9 d ) .

the specific t a s k s f o r w h i c h t h e t r a c t o r w a s

j. As engine warms up, gradually push choke

designed. Since nearly every job presents a different

control in. Continue to warm up engine until it will

problem, you may have to vary the procedures to fit

run smoothly with choke control all the way in.

the individual job.

k. Check that engine hour meter (para 2-9 c) i s

2-11. Starting the Tractor

operating.

Note. Before the first startup on any particular day, per-

l. Remove your foot from the accelerator pedal

form the daily preventive maintenance services described in

and check that engine settles into smooth slow-

paragraph 3-5.

idling speed.

a. Pull up on the parking brake lever (fig. 2-1).

Note. Tractor may be started by pushing if the battery is

This will set the parking brake and prevent the

dead. To start under these conditions, set shift lever in N

position and release brakes. With an assistant pushing tractor

tractor from rolling.

with another vehicle, allow speed to reach approximately 15

b. If necessary, adjust the operator's seat for

mph. Then shift lever into D position.

comfortable reach of brake and accelerator pedals

Note. If any difficulties or malfunctions are noted during

with right foot and comfortable reach of steering

starting, report the conditions to the proper authority.

handwheel with hands.

c. Set transmission shift lever in N (neutral)

2-12. Driving the Tractor

position.

a. Check fuel supply by noting fuel gage (para 2-

d. If engine is cold, pull choke control all the way

9 f) to insure that you have enough fuel to ac-

out.

complish your task. Refuel if necessary.

e. D e p r e s s accelerator pedal approximately

b. Move the transmission shift lever into position

one third of total pedal travel.

D, 1 or 2 for forward travel or into position R for

f. Turn ignition switch lever to ON position.

reverse travel.

g. Depress starter switch button. When engine

Note. Use position D for normal forward driving and

starts, release starter switch button.

light towing on level surface. Use 1, and 2 positions when

Caution: Do not keep starter switch button

ascending or descending steep grade unloaded or when towing

depressed continuously for more than 30

heavy load on level or grade.

seconds while trying to start engine. If engine

c. Place right foot on accelerator pedal. Slowly

fails to start within 30 seconds, release starter

depress accelerator pedal while releasing parking

switch button. Allow starter motor to cool for at

brake. Continue to depress accelerator pedal until

least two minutes before attempting to start

tractor starts to move and attains safe operating

engine again.

speed.

Caution: Do not depress starter switch

d. When approaching ascending or descending

button when engine is running. If operating

grade while operating in D or 1 position, shift to 2

l o c a t i o n is so noisy that a running engine

position as required.

c a n n o t be heard, visually check for engine

e. During driving operation, observe conditions

o p e r a t i o n before depressing starter switch

as follows:

button.

2-5