CALIBRATION

TM 9-2815-210-34-2-1

1 - 1 4 . CALIBRATION. The fuel injection pump assembly must be calibrated, on a

f u e l injection pump test stand, before it is put on the engine. Refer to

T M 9-2910-226-34&P for fuel injection pump calibration.

DESCRIPTION.

a . T y p e . A l l models of the engine, shown in figures 1-1 through 1-11, are four

stroke cycle, in line, 6-cylinder, overhead valve, liquid-cooled, compression-ignition

e n g i n e s . T h e LD models are naturally aspirated, and the LDS and LDT models are

turbocharged.

b . F u e l R e q u i r e m e n t s . T h e engines will operate satisfactorily on all fuels, as

g i v e n in paragraph 1 - 1 9 . No changes or adjustments to the engines are needed when

changing grades of fuel.

c . M o d e l D i f f e r e n c e s . T o tell the difference between models, paragraphs and

i l l u s t r a t i o n s will be titled to show their application to a particular model.

1-16. LOCATION OF ENGINE COMPONENTS. In this manual, the following terms

w i l l be used to identify and locate engine parts and assemblies.

a. E n g i n e E n d s . The ends of the engine will be called the "fan end" or "front"

and the "flywheel end" or "rear."

b . E n g i n e Sides. L o o k i n g from the rear end of the engine toward the front, the

s i d e to the right is called the "right side." T h e side to the left is called the "left"

side."

c . C y l i n d e r Numbering. T h e cylinders are referred to as No. 1 through No. 6,

s t a r t i n g from the front of the engine.

d . M a i n Bearing Numbering.

T h e main bearings are numbered 1 through 7, start-

i n g from the front of the engine.

e . C o n n e c t i n g Rod Numbering. T h e connecting rods are numbered from the

f r o n t , 1 through 6, and are identified by match numbers stamped on the connecting

rod and connecting rod cap bosses.

C r a n k s h a f t and Camshaft Rotation. T h e crankshaft turns to the right and

c a m s h a f t turns to the left, looking from the front of the engine.

g . Fuel Filters. T h e fuel filters, located at the left rear and rear of the engine,

h a v e a replaceable element.

h . Oil Filters. The two oil filters are located on the left side of the engine and

a r e the same and can be changed with each other.

C y l i n d e r H e a d s . T h e front and rear cylinder heads can be changed with each

o t h e r . T h e cylinder heads will be referred to as front cylinder head and rear

cylinder head.

Water Outlet Manifolds. T h e two cylinder head water outlet manifolds are the

s a m e and can be changed with each other. T h e manifolds will be referred to as the

f r o n t cylinder head water outlet manifold and the rear cylinder head water outlet

manifold.

1-8