Clip Now Used To Hold Coolant Line For The Turbocharger{1052,1380}
Usage:
3408 and 3412 Industrial and Marine Engines
Description of Change: A clip is now used to hold the coolant line for the turbocharger. The clip will reduce the natural vibration of the tube assembly to prevent a failure.
A longer bolt is used in the manifold group to hold the clip.
Adaptable To: All 3408 and 3412 Industrial and Marine Engines with water-cooled turbine housings.
Location of clip.
Caterpillar Information System:
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 Modification To Holder To Machine Counterbore On Cylinder Block{0664,1201}
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}
1977/02/28 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}
1977/04/11 Improved Mounting For Expansion Tank{1354,1379,1380}
1977/04/11 New Shaft Assemblies Used For Forward And Reverse Clutch And Stronger Nipple Used At Oil Pump{3302,3306,3307,3310,3314}