CUMMINS QSL9 - Clean and Inspect Injector; Sealing Washer Installation; Solvent Handling Safety; Solvent Toxicity Warning

Clean and Inspect for Reuse
Install a new combustion sealing washer on the injector.
Verify the new injector sealing washer is the correct
thickness. An incorrect sealing washer can cause high-
pressure fuel leaks and/or performance problems, due to
incorrect injector protrusion.
Injector Sealing Washer Thickness
mm in
1.45 MIN 0.057
1.55 MAX 0.061
WARNING
Whenusingsolvents,acids,oralkalinematerials
forcleaning,followthemanufacturer's
recommendationsforuse.Weargogglesand
protectiveclothingtoavoidpersonalinjury.
WARNING
Somesolventsareflammableandtoxic.Readthe
manufacturer'sinstructionsbeforeusing.
CAUTION
Page 5 of 11
QuickServe Online | (4022256) QSL9 CM2250 Service Manual
10/3/2018
https://quickserve.cummins.com/qs3/portal/service/manual/en/4022256/