1985/09/23 Caterpillar

New Keystone Ring Groove Gauge Available{0763}

Usage:

All Caterpillar Engines With Keystone Piston Ring Grooves

SUPPLEMENT: 06/16/86

SERVICE MAGAZINE, SEPTEMBER 23, 1985, PAGE 2, "New Keystone Ring Groove Gauge Available"; SERVICE MAGAZINE, MAY 10, 1982, PAGE 10, "5P4812 Gauge Group Components Available Separately"; GUIDELINE FOR REUSABLE PARTS-PISTONS, SEBF8049, PAGES 38 and 39. The article, "Increase Piston Reuse With Keystone Piston Ring Gauge Group", in this issue replaces the information from these publications.

--------------- END SUPPLEMENT ---------------

A new Keystone piston ring groove gauge group is available. The new gauge group has three new gauges which allow the gauge to be used in all Caterpillar Keystone ring groove applications. The new group also features carbide gauging points for increased gauge life. See the illustration.

8T3150 Gauge Group.

The new 8T3150 Keystone Piston Ring Groove Gauge Group is a direct replacement for the former 5P4812 Gauge Group which is canceled. The chart lists the parts that are available through the Parts Department.

Caterpillar Information System:

1985/09/23 Procedure For Turning Pins And Bushings On Sealed And Lubricated Track{4175}

1985/09/16 New Air-To-Air Aftercooler Arrangement Used On Truck Engines {1063}

1985/09/16 New O-ring Seals And Additional Clamps Used In Instrument Panel Fuel Filter Differential Lines Group {1250}

1985/09/16 Engine Valve Lash And Fuel Injection Timing Adjustment Procedure {1100,1251}

1985/09/16 Keep Product Information System Up-To-Date {0330,0350,0373}

1985/09/16 Use Product Information System For Consists Of Engines With No Bills Of Material {0330,0350,0373,1000}

1985/09/16 Pressure Switch Has Been Improved {1419,7332}

1985/09/16 Changes To Fuel Systems {1250,1251,1252,1253,1254,1100}

1985/09/16 New Tools Available To Change BrakeSaver Control Valve Diaphragm {0600,1155}

1985/09/16 Oil Pump Groups Improved {1304}

1985/09/02 Fumes Disposal Group Improved{1317}

1985/09/02 Steel Fuel Pump Lifter Used{1250,1251}

1985/09/23 New Bleed Screw Used In Fuel Injection Nozzle{1254}

1985/09/23 List Of Mechanical Service Meters For Earlier 3500 Series Engines Using Mechanical Service Meters{1286}

1985/09/30 Maximum Wear Limits Established For Camshaft Roller Followers{1209}

1985/09/30 Restarting Engines Without A Fuel Priming Pump{1250,1258}

1985/09/30 Torque Increase For Cylinder Head Bolts{1101}

1985/09/30 Conversion Group Available For Increased Power{0600}

1985/10/07 New Water Cooled Exhaust Manifolds Available; Existing Water Cooled Exhaust Manifolds Can Be Strengthened Or Salvaged{1059}

1985/10/07 Two, New Top Dead Center Magnetic Transducers Available{0651,0653,1214,1250}

1985/10/07 Dust Can Cause Generator Set Vibration{4450}

1985/10/07 O-Ring Seal Not Needed On Turbochargers{1052}

1985/10/07 Check Height Of Locating Dowels Before Installing Cylinder Head{1201}

1985/10/07 Digital Electric Tachometer Group Available{7462}