Cylinder Head and Valves
02
020
40
RG,RG34710,92 –19–28NOV00–1/6
Replace Unit Injector Sleeve in Cylinder Head
Using JDG981
RG8151 –UN–05DEC97
Removing Injector Sleeve
A—MAY-25010 Punch
B—Wood Block
Remove Unit Injector Sleeve
NOTE: Cylinder head must be removed to replace EUI
sleeve using JDG981 Unit Injector Sleeve
Installation Set. To replace EUI sleeve with head
installed refer to REPLACE UNIT INJECTOR
SLEEVE IN CYLINDER HEAD USING JDG1184
later in this group.
IMPORTANT: Whenever EUI is replaced, sleeve in
cylinder head must be replaced also.
JDG981-2 Swedge is obsolete. Disgard
this tool and replace with JDG1184-2-1
Swedge Rod and 8132 Adapter.
1. Remove cylinder head from engine. (See REMOVE
CYLINDER HEAD, earlier in this group.)
2. Remove valves from cylinder head. (See REMOVE
VALVE ASSEMBLY, earlier in this group.)
3. Using a 51 mm by 102 mm (2.0 in. by 4.0 in.) block of
wood (B) at least 914.4 mm (36.0 in.) long, lay cylinder
head on its side with air intake manifold mounting
surface resting on block of wood.
4. Drive injector sleeve from combustion face side of
cylinder head using MAY-25010 Punch (A) from
JDG981 Unit Injector Sleeve Installation Set and
hammer.
5. Remove square packing from injector sleeve bore.
Thoroughly clean sleeve bore and inspect sleeve tip
seating area for damage.
Continued on next page
CTM100 (06APR04)
02-020-40
P
OWER
T
ECH
10.5 L & 12.5 L Diesel Engines
040604
PN=112
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General