(2) Remove the carrier engine cylinder head
minimum allowable wear diameter of 0.4935 inch.
and valves as instructed on figure 60.
Replace or repair all damaged or defective parts. The
b. Disassembly. Disassemble the carrier engine
valve head diameter should be between 2.245 and 2.255
inches.
cylinder head and valves in numerical sequence as
illustrated on figure 61.
245. Carrier Engine Cylinder Head and
244. Carrier Engine Cylinder Head and
Valves Reassembly and Installation
a. Reassembly. Reassemble the cylinder head
Valves Cleaning, Inspection,
and valves in the reverse of the numerical sequence as
and Repair
illustrated on figure 61.
a. Cleaning.
Clean all parts in an approved
b. Installation.
cleaning solvent and dry thoroughly.
(1) Install the cylinder head and valves as
b. Inspection and Repair. Inspect all parts for
illustrated on figure 60.
excessive wear or damage. Inspect the valve springs for
(2) Install the carrier engine rocker arm and
a minimum spring length of 2 inch at 85 to 95 pounds,
push rods assembly (par. 241).
and 2 19/32 inches at 41 to 49 pounds for the outer and
inner springs respectively. Inspect the valve stems for a
Section XII. CARRIER ENGINE OIL PAN
246. General
248. Carrier Engine Oil Pan Cleaning,
The carrier engine oil pan is a steel, sump type pan
Inspection, and Repair
with an eighteen quart capacity. The engine lubricating
a. Cleaning. Clean all parts with an approved
oil, that lubricates the engine components, is equipped
cleaning solvent and dry thoroughly.
with a measuring device to determine the quantity of oil
b. Inspection and Repair. Inspect all parts for
available in the pan. An inspection cover is provided to
excessive wear or damage. Replace or repair all
aid in making necessary pressure adjustments on the oil
defective parts.
pump within the engine block.
249. Carrier Engine Oil Pan Reassembly
247. Carrier Engine Oil Pan Removal and
and Installation
Disassembly
a. Reassembly. Reassemble the carrier engine oil
a. Removal.
pan in the reverse of the numerical sequence as
(1) Drain the crankcase (TM 5-3810-207-10).
illustrated on figure 63.
(2) Remove the handhold cover and gage rod
b. Installation.
(TM 5-3810-207-20).
(1) Install the carrier engine oil pan as
(3) Remove the carrier engine oil pan as
illustrated on figure 62.
instructed on figure 62.
(2) Install the handhole cover and gage rod
b. Disassembly. Disassemble the carrier engine oil
(TM 5-3810-207-20).
pan in numerical sequence as illustrated on figure 63.
(3) Fill the crankcase (TM 5-3810-207- 10).
Section XIII. CARRIER ENGINE OIL PUMP ASSEMBLY
a float-type screen through which all oil flows to the
250. General
pump as it is drawn from the oil supply in the oil pan. An
The carrier engine oil pump is a gear-type pump that is
adjustable Spring actuated plunger in the pump,
spline-shaft driven from the accessory drive unit
operating from the camshaft. The pump is equipped with
TAGO 5030A
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