Chapter 10. LUBRICATION

TM 750-245-4

CHAPTER 10

LUBRICATION

Section I. INTRODUCTION

10-1. General

a. Refer to applicable system technical manuals

This chapter establishes the inspection criteria for items

(TM), technical bulletins (TB), and lubrication orders

requiring lubrication after repair. These inspections

(LO) for applicable coverage of lubrication.

require that the inspector have knowledge and special

b. The inspector should refer to appendix B for the

training in the lubrication of all types of equipment.

definitions, abbreviations, and terms applicable to

lubrication.

10-2. Reference

Section II. APPLICATION

10-3. General

c. Damage electronic components.

a. The best lubricant will fail to accomplish its

d. Short electric or electronic components.

purpose if not applied to the moving surfaces and in the

e. Drip onto hot surfaces and cause fires, smoke,

proper amounts.

or vapor.

b. There are many methods of applying lubricants

f. Contaminate brake linings, clutches, etc.

and new methods are being developed as new

g. Interfere with friction drives.

lubricants and new equipment are developed. The

h. Contaminate air or gas in piping.

inspector should consult the applicable system LO's for

i. Interfere with dial or other instrument operation.

proper lubrication interval, amount, and application.

j. Discolor dials. stickers, or instruction panels.

c. Most lubricants are applied with hand grease

guns, pressure grease guns, oil cans, special package

10-5. Under-Lubrication

applicators, brush or cloth-smearing.

a. Under-lubrication can be caused by several

factors, some of which are insufficient lubricant,

10-4. Over-Lubrication

inadequate seals, wrong lubricant, high temperatures,

Over-lubrication can be as detrimental as under

high pressures, and lubricant contamination.

lubrication in the following ways:

b. Insufficient lubrication can cause noise, wearing,

a. Cause seal leakage.

heat, fire, breakage, and many other types of failures

and hazards.

b. Drip on valuable materials.

Section III. INSPECTION PROCEDURES

10-6. General

10-8. Bearings

The inspection procedures are general and should be

a. In-Process. Inspection of bearings in most

supplemented with reference to system documentation.

cases will have to be accomplished during an in-process

inspection. Inspection should cover seals, bearing

10-7. Engines

conditions, and alinement, lubricant contamination, and

Inspect for correct engine oil and oil filters. Check oil

under or over-lubrication.

seals to insure there is no leakage. Check against

b. Final.

During final inspection, the bearing

lubrication order to insure that all prescribed points are

should be operated to insure proper alinement and

adequately lubricated.

lubrication. In most cases, this will require an

10-1