ISOLATOR 1501946 - Caterpillar

Installation Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     372-7975     Injector Sleeve Tool     1    
E     -     Loctite 620     -    
F     4C-5552     Large Bore Brush     1    
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Thoroughly clean the unit injector sleeves and the bores for the unit injectors. Tooling (F) may be used on the bores.
Illustration 1 g03500578
Apply clean engine oil to O-ring seals (1) .
Apply a thin coating of Tooling (E) around the outer circumference of unit injector sleeve (2) at Surface (Z) .
Illustration 2 g03500637
Use Tooling (A) and a hammer to position unit injector sleeve (2) in the cylinder head.Note: Allow Tooling (E) to cure for two hours at 21 °C (70 °F) before filling the engine with fuel or coolant. Longer curing time is required for lower temperatures.
Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change" for the correct filling procedures.End By: Install the unit injectors.