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Figure 5-39. Oil Pan and Oil Pan Plate, removal and installation
Up
TM-5-2410-233-34 Tractor Full Tracked Low Speed DED Medium Drawbar Pull; Oscillating Track 78-In. Gage (Caterpillar Model D7F) Manual
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Figure 5-40. Cylinder head and valves, exploded view.
c. I n s p e c t i o n a n d R e p a i r . I n s p e c t t h e o i l p a n
(4) Separate the oil pan gasket from the oil
p a n so that the gasket remains with the oil pan
a n d oil pan plate for chips, cracks, weld damage,
and  other  damage.  Smooth  contact
plate. Remove the oil pan.
warpage
surfaces with a hone or file.  Repair cracks by
( 5 ) Remove the bolts and lockwashers which
secure oil pan plate  t o t h e c y l i n d e r b l o c k a n d
welding (TM 9-237). Replace parts if warpage is
f l y w h e e l housing. Remove the oil pan plate and oil
excessive.
pan gasket.
d . I n s t a l l a t i o n . Install the oil pan and oil pan
b. Cleaning. Clean the oil pan and oil pan plate
plate by reversing the removal procedure. Use a
w i t h cleaning solvent (Fed. Spec. P-D-680). Ensure
new oil pan gasket. Service the engine with
that all sediment is removed from the sump in the
lubricating
oil
(LO
5-2410-233-12).
oil pan.
Section
VI.
DIESEL
ENGINE
( 8 ) Remove the bolt (1) and washer (2) from
5-26. General
each rocker arm bracket. Carefully pry the rocker
The tractor is powered by the D333C, 4.75 inch
arm assembly from the cylinder head.
b o r e x 6 inch stroke, six cylinder, 638 cubic inch
t u r b o c h a r g e d diesel engine. The engine is rated at
180 horsepower at 2000 rpm.
5-27. Cylinder Head and Valve Mechanism
(9) Disassemble the rocker arms as follows:
a. Removal and Disassembly (fig. 5-40).
(a) R e m o v e t h e l o c k n u t ( 3 ) a n d a d j u s t i n g
( 1 ) Drain the engine coolant. Refer to TM 5-
screw
(4).
2410-233-10.
(b) Remove the ring (5), washer (6) and
(2) Remove the exhaust tube, muffler, (para
spring (7).
5-16), exhaust manifold (para 5-18), air cleaner
(c) Remove the rocker arm (8) and pull the
(para 5-15), turbocharger (para 5-17), and hood
hushing (9).
(d) Remove  the  bracket  (10),  rocker  arm
(3) Remove the fuel injection lines. Cap or
(11), washer (12), spring (13) and washer (14)
plug openings (para 5-10).
from the rocker arm shaft (15).
(4) Remove the glow plugs.
( 1 0 ) Remove the push rods (16) and tag them
(5)
Steam-clean
the
engine.
f o r proper installation.
(6)  Remove  the  rocker  arm
cover
(TM
5-
( 1 1 ) Remove the cylinder head bolts (17) and
2410-233-20).
washers  (18).
(7) Loosen the rocker arm adjusting screw
locknut (3) front each of the rocker arms. Back off
t h e adjusting screws (4) one or two turns.

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