Modification To Holder To Machine Counterbore On Cylinder Block{0664,1201}
Usage:
3406, 3408, 3412 Engines;
245 Excavator;
988B Loaders;
16G Motor Graders;
621B, 623B, 631D, 633D, 637D Tractors
The 1P7399 Holder of the 1P5566 Counterboring Tool Group will not fit into the bore of the cylinder block on 3400 Series Engines. A modification can be made to the holder so it can be used on these engines. See the illustration. With the modification, the holder can still be used on all other 5.4" (137 mm) bore engines.
Dimension to machine the holder.
Caterpillar Information System:
1977/02/14 Diesel Fuel Recommendation Expanded{1280}
1977/02/14 Test Used Fuel Nozzles Before You Install New Nozzles; Tips On Test Procedures{1254,0651,0336}
1977/02/14 New 5P7307 Engine Turning Tool Group Fits All Engines{0611}
1977/02/14 Correct Use Of Plugs In Drain Holes Of Hydraulic Pumps That Have Two Seals On The Shaft-Use A Plug In Drain Hole Except With Water Glycol Systems{5055,5073}
1977/01/31 Low Emission Truck Engines With Exhaust Gas Recirculation (EGR) Systems{1050}
1977/01/31 Transportation Notice Plate Is No Longer Needed For Pressurized Nitrogen Cylinders{7557}
1977/01/31 New Remote Control Switch Assembly For Electric Hydraulic Pumps{0621,0623}
1977/01/31 Improved Crankshaft Main Bearing With Higher Strength Aluminum Alloy{1203}
1977/01/31 New Disconnect Switch Assembly Has Better Resistance To Corrosion{1411}
1977/01/24 Lightening Holes Not Drilled In Some Crankshafts{1202}
1977/01/24 New Cylinder Liners{1216}
1977/01/24 Coupling With A Slip Fit Now Used At Turbocharger Exhaust Outlet Instead Of Coupling With Piston Rings{1061}
1977/02/28 Hardened Washers Now Used Between The Bolt Heads And The Engine Front Support To Keep These Bolts Tight{1153}
1977/02/28 Clip Now Used To Hold Coolant Line For The Turbocharger{1052,1380}
1977/02/28 Lock Now Available For Connecting Rod Bolt Used In TU-FL0501 Air Compressor{1065}
1977/02/28 Improved Exhaust Valve Now Available{1105}
1977/02/28 Changes To Retainer Nut Torque And Assembly Procedures For Turbocharger Compressor Wheels{0374,1052}
1977/03/07 Relief Valve Added To Lubrication And Testing Group For Sealed And Lubricated Track{0651,0671,4175}
1977/03/07 Improved Shut-Off Solenoids For Engines Equipped With Sleeve Metering Fuel Systems{1259}
1977/03/07 Drains In New Fuel Injection Pump Housing And Governor Housing Prevent Possible Corrosion And Freezing Damage{1286}
1977/03/07 Use Insert To Repair Bearing Seat In Water Pump Housing{1361}
1977/03/07 Cooling System Orifice Changed For Better Flow Control And Air Removal{1380}
1977/03/21 New Spring Used In Fuel Ratio Control{1278}
1977/04/11 New Retainer And Improved Housing Keep Water Pump Bearing Tight; Repair For Loosened Bearing{1361}