TM 5-3805-281-24-2
Cylinder Head and Valves
REMOVE CYLINDER HEAD
It is not necessary to remove engine from machine to
service cylinder head on all applications. Refer to your
Machine Technical Manual for engine removal procedure,
if required.
CAUTION: After operating engine, allow exhaust
system to cool before working on engine.
DO NOT drain coolant until the coolant
temperature is below operating temperature.
Always loosen drain valve slowly to relieve any
excess pressure.
1. Drain engine oil and coolant. Disconnect turbocharger
oil inlet line at turbocharger or oil filter base. (See
DISCONNECT TURBOCHARGER OIL INLET LINE in
Group 03.)
NOTE: If cylinder head is being removed for piston and
liner repairs or any other service that does not
require disassembly of head, cylinder head can be
removed with water manifold (A), turbocharger
(B), intake manifold (C), and exhaust manifold (D)
installed.
Service Cooling System Safely
2. Remove water manifold and all coolant piping. (See
Group 25, Cooling System.)
3. Remove turbocharger. Remove front and rear exhaust
manifold (D). (See Group 30, Air Intake and Exhaust
System.)
4. Remove air intake manifold. (Group 30.)
5. Remove fuel injection delivery lines and injection
nozzles. (See Group 35, Fuel System.)
6. Remove rocker arm cover with ventilator outlet hose
Removing Cylinder Head
assembly.
A--Water Manifold
B--Turbocharger
C--Intake Manifold Assembly
D--Exhaust Manifold Assembly
Continued on next page
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1923OCT971/3