TM 5-4310-451-14
5-27. VALVE SEAT INSERT REPLACEMENT.
This Task Covers:
a.
Removal
b.
Installation
Initial Setup:
Equipment Conditions:
Tools/Test Equipment:
áRocker arms removed (see paragraph 5-41)
áGeneral mechanic’s tool kit
áCam follower assemblies and pushrods removed
áField automotive shop set
(see paragraph 5-25)
áInstaller tool, J24357
áExhaust valve bridges removed (see paragraph
áValve seat collet, J23479-13
5-26).
áFuel injectors removed (see paragraph 5-57).
áExhaust valves removed (see paragraph 5-24).
a. REMOVAL
NOTE
All 12 valve seat Inserts are removed same way.
1.
Support cylinder head (1) with bottom side up.
2.
Using valve seat collet (2) and puller, remove valve seat insert (3) from cylinder head (1)
5-52
