156415-0001 ZEXEL 9 423 610 225 BOSCH O-RING 9423610225 1564150001 5157490491

Problem
Certain 785 and 789 Trucks may experience problems during cold starts. An Automatic Ether Injection System (AEIS) can be installed to improve starting and combustion during cold startups and increase the service life of the engine.
Affected Product
Model & Identification Number
785 (8GB1-417)
789 (9ZC1-439)
Parts Needed
*For use on machines that DO NOT have Payload Monitor System.**For use on machines that DO have Payload Monitor System.***For machines that have Automatic Electronic Traction Aid.Action Required
If so equipped, remove the existing manual type ether injection system.
Follow the procedure in Special Instruction SEHS9293 "Installation of Automatic Ether Injection System (AEIS) " and install the Automatic Ether Injection System (AEIS).
Service Claim Allowances
This is a 9-hour job.
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.