BASE ASSEM. 8N3481 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A (1)     9U-7259     Puller Stud     1    
128-7889 Bridge Puller     1    
9U-6877 Thrust Bearing     1    
5P-8247 Hard Washer     1    
4K-0367 Nut     1    
( 1 ) The tools that are listed in the chart are part of the 9U-6891 Injector Tool Group .Start By:
Remove the electronic unit injectors. Refer to Disassembly and Assembly, "Electronic Unit Injector - Remove".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g00512128
Install the puller stud from Tooling (A) into the unit injector sleeve.
Illustration 2 g00512002
Install the following parts from Tooling (A) over the puller stud: bridge puller, thrust bearing, hard washer and nut.
Tighten the nut until the unit injector sleeve is pulled free of the cylinder head assembly.
Remove Tooling (A) from the unit injector sleeve.
Repeat Steps 1 through 4 in order to remove the remaining unit injector sleeves.