Chapter 2 Operating Instructions

TM 10-3930-633-12

CHAPTER 2

OPERATING

INSTRUCTIONS

If equipment fails to operate, refer to

trouble shooting procedures in Chapter 3.

Section I. OPERATING PROCEDURES

tractor are illustrated in figure 2-1. The table

2-1. General

a c c o m p a n y i n g the illustration explains the

This section illustrates and describes the various

function of each control and gives the normal

c o n t r o l s and instruments and provides the

reading for each gage.

operator sufficient information to ensure proper

operation of the tractor.

2-2. Controls and Instruments

All controls and instruments for operation of the

Figure 2-1. Controls and Instruments

Table 2-1. Controls and Instruments

Normal Use or Reading

Nomenclature

When turned clockwise to ON, energizes engine ignition, instruments, and accessory

Ignition Switch

circuit. Turning fully clockwise against spring pressure engages engine starter.

Turning counterclockwise to OFF shuts off engine and disconnects gages and ac-

cessory circuits.

Indicates temperature of engine coolant in degrees ( F). Normally 175 F.-200 F. ( 79

Water Temperature Gage

C-93 C)

Indicates engine lubricating oil pressure in PSI. Normally 15-80 PSI (40-60 PSI @ 2000

Oil Pressure Gage

RPM).

Indicates quantity of fuel remaining in fuel tank. E = empty, F = full (tank capacity is 17

Fuel Level Gage

gallons).

Indicates rate of battery charge of discharge. With engine running, should read slightly

Ammeter

to the + side of 440. "

Indicates transmission fluid temperature at converter outlet. DO NOT ALLOW

Transmission Oil Temperature Gage

TEMPERATURE TO EXCEED 250 F. (121 C)

Pull out to illuminate headlights and taillamp. Push in to turn off lights.

Light Switch

Signals when air cleaner element is dirty by displaying read signal. Normally clear.

Air Cleaner Restriction Indicator

Pull out to choke engine for cold starting.

Choke Control

2-1