HOSE AS 4620012 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool    Part Number    Part Description    Qty    
A (1)     221-9778     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 g01002969
Illustration 2 g01002972
Install the puller stud from Tooling (A) into unit injector sleeve (1) .
Install the following parts from Tooling (A) over the stud: bridge puller, thrust bearing, hard washer and nut. See Step 1.
Tighten the nut until unit injector sleeve (1) 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.