TM 9-2320-280-34
This task covers:
a. Removal
c.
Installation
b. Repair
INITIAL SETUP:
Tools
Equipment Condition
General mechanic's tool kit: automotive
Fuel drain back tube removed (TM 9-2320-280-
(Appendix G, Item 1)
20).
Alternator brackets removed (TM 9-2320-280-20).
Materials/Parts
Left exhaust manifold removed (TM 9-2320-280-20).
Gasket (Appendix E, Item 11)
Water crossover removed (TM 9-2320-280-20).
Antiseize compound (Appendix B, Item 7)
Rocker arm shaft and pushrods removed
Pipe sealing compound (Appendix B, Item 49)
Cylinder head lifting device (optional)
Fuel injection return hoses removed
(TM 9-2320-280-20).
Fuel injection nozzles removed (para. 4-3).
Personnel Required
Glow plugs removed (TM 9-2320-280-20).
One mechanic
Modulator linkage removed (TM 9-2320-280-20).
One assistant
General Safety Instructions
Manual References
Cylinder head must be supported during
TM 9-2320-280-20
removal and installation.
TM 9-2320-280-24P
Gaskets installed on some 6.2L engines
TM 9-2815-237-34
assembled prior to 1991 may contain asbestos.
TM 9-2815-237-34P
Gaskets should be disposed of IAW current
directives.
Maintenance Level
Direct support
a. Removal
1.
Disconnect harness lead 33B (8) from engine temperature sending unit (7).
2.
Remove capscrew (1) and two leads 58A (2) and 3A (3) from cylinder head (4).
WARNING
Cylinder head must be supported during removal and installation.
Failure to support cylinder head may cause injury to personnel or
damage to equipment.
Gaskets installed on some 6.2L engines assembled prior to 1991
may contain asbestos. Gaskets should be removed with a scraper or
putty knife and then disposed of IAW current directives. Inhalation
of asbestos fibers can cause respiratory ailments
CAUTION
Cover or plug all hoses, ports, and/or fittings immediately after
disconnection or component removal to prevent contamination.
Remove all plugs prior to connection.
NOTE
The left cylinder head replacement procedures for 1990 and above
engines and previous model engines are the same. Refer to engine
decal model number on left rocker arm cover before ordering
replacement parts, since parts are not interchangeable.
3-8
Change 2
