OPERATING INSTRUCTIONS - TM-10-3930-607-150028

OPERATING INSTRUCTIONS

5. After 50 hours operating adjust valve clearances

GENERAL

and retorque cylinder head units, Correct break-in is

important for maximum oil economy and long engine

The safe and efficient use of a lift truck requires skill

life. It should be noted that industrial engines are

and alertness on the part of the operator. To develop

designed to work at higher RPM ranges than stationary

the skill required for safe, efficient truck operation the

installations. The piston rings used exert normal wall

operator should become familiar with the make-up of

pressures at higher RPM's. This is one of the reasons

this truck, understand its capabilities and limitations, and

light operations or prolonged periods of engine idling

see that it is maintained in good mechanical condition.

may result in smoking and excessive oil consumption.

He should become familiar with the various instruments

and acquire a feel for the control levers and foot pedals.

6. Follow

the

Recommended

Preventive

He should read and understand the safe driving and

Maintenance schedule in this manual.

load handling techniques and the safety rules contained

in this manual. And, most important, a qualified person

CONTROLS AND INSTRUMENTS (Fig. 1)

experienced in operating the truck should guide him

through at least several driving and load handling

operations before he attempts to operate the truck on

his own.

ENGINE BREAK-IN PROCEDURE

The recommended break-in procedure is as follows:

1. Check all liquid levels,

2. Start engine and run at just above idle with no

load for one-half hour, During this time, check for

external oil leaks and correct oil pressure.

3. Put the unit to work using rated capacity loads. It

is important that engine operating temperatures be

maintained from 180 to 200 degrees during the first few

hundred hours of service. Avoid prolonged periods of

idling as this will lower crankcase temperatures and may

Figure 1.

cause cylinder wall glazing, preventing the piston rings

from seating properly.

A. INSTRUMENT PANEL

4. If the unit cannot be put to work immediately or

The instrument panel is arranged with various gauges

the operation is slow and light, a simulated work

and indicators for checking the performance of the

condition should be initiated. Operate the unit from two

various truck components.

to four hours with rated load, accelerate the truck from

low idle to high idle at full throttle and decelerate to low

1. Generator, or alternator, operation is

idle. Avoid prolonged high idle operation during first 50

hours. This may cause cylinder wall scuffing and

scoring.

A-5