OPERATION - TM-10-3930-622-140044

d. Engine Oil Pressure Indicator. The engine oil

pressure indicator is located on the right side of the

instrument cluster. This indicator indicates the working

pressure of the engine lubricating oil while the engine is

Do not operate the starter motor

in operation. It should indicate 25 to 35 psi at normal

operating speed. Normal pressure readings may range

continuously for more than 30

from 5 to 10 psi at idle to 26 psi at 1600 rpm with the

seconds. If the engine fails to / start

engine hot, or slightly higher with a cold engine or higher

after 30 seconds, allow the starter

speeds. A higher pressure indication is normal for a cold

motor to cool for at least 2 minutes

engine. If the pressure reading is low or excessively

before attempting to start the engine

high, stop the engine and report this trouble to the proper

again.

authority.

f. Hold accelerator pedal steady and allow engine

e. Engine Temperature Indicator.

The engine

to warm up at a fast idling speed. Immediately observe

temperature indicator is located on the bottom of the

engine oil pressure indicator and ammeter for normal

instrument cluster. This indicator registers the

readings. As engine begins to warm up, gradually push

temperature of the engine coolant in degree Fahrenheit.

in on choke control; when engine is warm, push choke

During operation the indicator should register 160 Deg to

control all the way in.

180 Deg F.

If the indicator fails to show

any

(1) Ammeter. When the engine is first started,

temperature gain after the engine has been operated for

the ammeter should indicate a high charging rate. The

a reasonable length of time, or if the needle registers

charging rate will normally decrease after a reasonable

above 200 Deg F., stop the engine and report the trouble

length of time unless the battery is defective or

to the proper authority.

excessively discharged. If the ammeter registers a

discharge rate when the engine is operating or if the

4-28.

OPERATION.

ammeter remains at zero or moves erratically, stop the

engine and investigate.

4-29.

GENERAL.

(2) Temperature Gauge. When warmed up,

the engine should operate at a coolant temperature of

The

following

paragraphs

contain

detailed

165 to 190 Deg Fahrenheit. If the temperature does not

instructions for operating the fork lift truck under normal

reach this range after a reasonable warm-up period has

conditions.

elapsed, or if the temperature is exceeded during normal

operation, stop the engine and investigate.

NOTE

(3) Oil Pressure Gauge.

Pressure should

Make certain all "Before Operation

is started and be maintained at all times while the engine

Service" specified in section 5 has

is operating. Normal pressure readings may range from

been performed before attempting to

5 to 10 psi at idle to 26 psi at 1600 rpm with the engine

start the engine.

hot, or slightly higher with a cold engine or higher

speeds. If there is no indication of oil pressure, or if the

4-30.

STARTING TRUCK.

pressure is low or erratic, stop the engine immediately

and investigate.

a. Pull up on parking brake lever to make certain

g. Warm engine until it will idle smoothly with the

truck will remain in a stationary position while it is being

choke control pushed all the way in. Check for proper

started.

readings on ammeter, engine oil pressure indicator,

engine temperature indicator, and fuel indicator. Be sure

b. Make certain the direction shift lever is in N

hourmeter is operating properly.

(neutral) position.

h. Remove foot pressure from accelerator pedal.

c. At initial starting, or if engine is cold, pull choke

4-31.

DRIVING TRUCK.

control all the way out.

a. Accelerate the engine slightly and move the lift

d. Press down on accelerator pedal approximately

control lever gradually to the rear and raise the forks to

one-third the distance from its normal raised position.

normal traveling position (only high enough to clear

obstructions while traveling).

e. Push the ignition switch up and depress the

b. Move the tilt control lever backward and tilt the

starter button to start the engine. The starter motor will

forks backward.

crank the engine. When engine starts, release the

starter button.