Clip Now Used To Hold Coolant Line For The Turbocharger
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:
1977/03/15 Lock Now Available For Connecting Rod Bolt Used In TU-FL0501 Air Compressor
1977/02/28 Improved Shut-Off Solenoids For Engines Equipped With Sleeve Metering Fuel Systems
1977/02/28 List Of Service Publications
1977/02/28 Exhaust Manifold Coupling With A Slip Fit Now Used Instead Of A Coupling With Piston Rings
1977/02/28 Drain All Coolant From Engines Before Shipment For Remanufacturing
1977/02/28 Diesel Fuel Recommendation Expanded
1977/02/28 New 5P7307 Engine Turning Tool Group Fits All Engines
1977/01/28 Improved Crankshaft Main Bearing With Higher Strength Aluminum Alloy
1977/01/28 Low Emission Truck Engines With Exhaust Gas Recirculation (EGR) Systems
1977/01/28 Improved Main And Connecting Rod Bearings Have Aluminum Alloy With More Strength
1977/01/28 Same Valve Camshaft Assembly Used On Direct Injection Engines Now Used On Engines That Have Precombustion Chambers
1977/01/28 New Water Temperature Regulator Has A Closer Fit At The Valve Seat To Keep Leakage At A Minimum
1977/03/15 Changes To Retainer Nut Torque And Assembly Procedures For Turbocharger Compressor Wheels
1977/03/15 Hardened Washers Now Used Between The Bolt Heads And The Engine Front Support To Keep These Bolts Tight
1977/03/15 Improved Exhaust Valve Now Available
1977/03/15 Modification To Holder To Machine Counterbore On Cylinder Block
1977/03/15 Drains In New Fuel Injection Pump Housing And Governor Housing Prevent Possible Corrosion And Freezing Damage
1977/03/15 New Spring Used In Fuel Ratio Control
1977/03/15 Cooling System Orifice Changed For Better Flow Control And Air Removal
1977/04/06 Loose Bolts And/Or Bracket Can Cause Air Compressor Failures
1977/04/06 New Retainer And Improved Housing Keep Water Pump Bearing Tight; Repair For Loosened Bearing
1977/04/06 New Shaft Assemblies Used For Forward And Reverse Clutch And Stronger Nipple Used At Oil Pump
1977/04/06 Use Insert To Repair Bearing Seat In Water Pump Housing
1977/04/06 Coolant Flow Warning System Can Be Adapted To Many Earlier Models