UPRIGHT AS- 0988251 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 143-2099 Unit Injector Tool Group 1 Start By:
Remove the unit injector. Refer to Disassembly and Assembly, "Unit Injector - Remove".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.Dispose of all fluids according to local regulations and mandates.
Illustration 1 g00627676
Use Tooling (A) to remove unit injector sleeve (1) from the cylinder head. Refer to Tool Operating Manual, NEHS0675, "Using the 143-2099 Sleeve Replacement Tool Group on 3114, 3116, and 3126 Engines" for the correct procedure.