New Diaphragm Used In Brakesaver Control Valve
Usage:
3406, 3408 Truck Engines Equipped With BrakeSavers
Description of Change: A new diaphragm is used in the BrakeSaver control valve on the above model engines equipped with BrakeSavers. The new diaphragm has a different construction which is stronger and will give longer service life.
Adaptable As: The new 8P6553 Diaphragm is a direct replacement for the former 6P8602 Diaphragm, which is canceled, and is in effect on 3406 Truck Engines 92U5011-up and 3408 Truck Engines 28V432-up.
Caterpillar Information System:
1977/04/06 Revision Of Engine Data Sheet Gives Important Information On Single-Bearing Generators Assembled To Cat Engines
1977/04/06 Coolant Flow Warning System Can Be Adapted To Many Earlier Models
1977/04/06 Use Insert To Repair Bearing Seat In Water Pump Housing
1977/04/06 New Shaft Assemblies Used For Forward And Reverse Clutch And Stronger Nipple Used At Oil Pump
1977/04/06 New Retainer And Improved Housing Keep Water Pump Bearing Tight; Repair For Loosened Bearing
1977/04/06 Loose Bolts And/Or Bracket Can Cause Air Compressor Failures
1977/03/15 Cooling System Orifice Changed For Better Flow Control And Air Removal
1977/03/15 New Spring Used In Fuel Ratio Control
1977/03/15 Drains In New Fuel Injection Pump Housing And Governor Housing Prevent Possible Corrosion And Freezing Damage
1977/03/15 Modification To Holder To Machine Counterbore On Cylinder Block
1977/03/15 Improved Exhaust Valve Now Available
1977/03/15 Hardened Washers Now Used Between The Bolt Heads And The Engine Front Support To Keep These Bolts Tight
1977/04/06 List Of Service Publications
1977/04/22 New Oversize Connecting Rod Bearings Have Improved Design And Material
1977/04/22 Improved Mounting For Expansion Tank
1977/04/22 Tools To Remove Wear Sleeves From Crankshafts
1977/04/22 New Piston Pin Bearing Used In Connecting Rod Assembly
1977/04/22 Stronger Material Used In Undersize Connecting Rod Bearings
1977/04/22 List Of Service Publications
1977/05/03 Special Tools For Complete Repair Of Water Pump In Direct Injection Engines
1977/05/03 Improved Cylinder Block With Spacer Plate Used With New Cylinder Heads, Cylinder Head Gaskets, Cylinder Liners And Timing Gear Housing
1977/05/03 New Socket Assembly To Tighten The Bolts That Fasten The Sleeve Levers To The Sleeve Shaft
1977/05/13 New 5P4185 Fuel Pump Timing Pin To Be Used Only On 3408 And 3412 Engines
1977/05/13 New Information On Caterpillar Cooling System Inhibitor