
2597335
2597355
2597374
2597391
3-294
Engine Tools
Fuel System Repair and Adjust
6V-6999 Lapping Plates (Continued)
Model: Cat
®
Engines
Warranty: Six Months
Item Part Number Description
1 6V-7011 Lapping Plate Case
2 6V-6999 Lapping Plate
3 6V-7151 Lapping Compound
6V-7151 Lapping Compound
Model: Cat
®
Engines
Warranty: Six Months
• Recommendedtolapatsurfacesofpartsusedinsideunitinjectors
• Soluble(canbemixedwith)ineithersolventorwater,andcanbewashedoffwithwater
• Easiertouseandtoremovethan8S-2259Compound,partof8S-2245ToolGroupforpencil-typefuelnozzles,whichwillgive
anacceptablesurfacenishandcanbeusedifdesired
• In dispenser-type container (squeeze bottle)
• Contents: 0.454 kg (16.0 oz)
Part Number Description
6V-7151 Lapping Compound
1U-9395 Plate
1U-8701 Socket
Model: Cat
®
Engines
Warranty: Six Months
• Usedwith6V-4830FixtureGroupand6V-4822TipDrivertoremoveandinstall
nozzle on type 2 3500 Engine unit injector (type 2 unit injectors are described in
January 1987 Engine News as those with two-piece follower)
• Makeitpossibletoreplacenozzleassembliesthatplugorfail;with1U-9395
Plateinstalledon6V-4830FixtureGroup,injectorcanbeheldproperlytoremove
and install nozzle assembly
• Earlynoseconesontype2injectorshaveserrationsonconethataredamaged
duringremoval;7C-9795ReplacementConeavailablewithahextotightenit;
1U-8701 Socket required to tighten cone when replacing nozzle
Reference
SEHS8993, Special Instruction
Part Number Description
1U-9395 Plate
1U-8701 Socket
223-2454 Fuel System and Governor Tool Group, 3114-3116
Model: 3114, 3116, and 3126 Engines
Warranty: One Year
• Replaces discontinued 1U-6680 Tool Group
• Used to simplify the required testing and adjusting operations
• Allowsmoreprecisefuelsystemadjustmentsinsignicantlylesstime,atlesscost,thanusingprevioustooling
• Improvementstotoolgrouparedescribedbelow
References
NEHS0610, Tool Operating Manual
SEBR0551,ServiceManual,3116DieselTruckEngine
SENR3583,ServiceManual,SystemsOperation,TestingandAdjusting,BasicEngineComponents—3114and3116Engines
Timing
(Continued)