New Diaphragm Used In BrakeSaver Control Valve Group{1159,1155}
Usage:
3406, 3406B And 3408 Truck Engines
Description of Change: A new diaphragm is used in the BrakeSaver control valve groups on 3406B and 3408 Truck Engines. The new diaphragm, will have a longer service life than the former diaphragms.
Adaptable As: The new 4W7137 Diaphragm is a direct replacement for the former 9G41 Diaphragm, when used in the 9N5530 BrakeSaver Control Valve Group. Use of the new diaphragms is in effect on 3406B Truck Engines (7FB7273) and on 3408 Truck Engines (28V4641). The new diaphragm is adaptable to 3406 Truck Engines (92U) and 3408 Truck Engines (28V).
Caterpillar Information System:
1984/10/29 New Cylinder Heads, Fuel Nozzles And Fuel Nozzle Adapters Used{1101,1106}
1984/10/29 New Heat Shield For Wiring To Electrical Shutoff Group{7400,7403,7418}
1984/10/29 New Cylinder Head Gasket Helps Prevent Oil Leakage Around Gear Pocket{1101}
1984/10/29 New Oil Filter Group Can Be Used To Extend Oil Change Interval{1306,1318,1326}
1984/10/29 Foil Shield Will Help Prevent Electrical Interference In Engine Set Point Indicator{0781,0785}
1984/10/29 Cetane Injection Group Uses New Orifice, Tee and Seals{1250,1274}
1984/10/22 Information For Testing 8N7004, 4W7011 And 4W7015 Fuel Injection Nozzles{1254}
1984/10/22 Changes To Water Lines Group Increase Coolant Flow Through Exhaust Manifold{1059}
1984/10/22 Improvements Made To Fuel Filter Housing{1260,1261,1262}
1984/10/22 New Heat Exchanger Group Has More Cooling Capacity{1379}
1984/10/15 New Indicator Lamps Used On Generator Control Panels{7002}
1984/10/15 New Water Temperature Regulator Has Higher Temperature Setting{1355}
1984/10/29 New Outer Bearing Race Used In Auxiliary Fan Drive Group{1390}
1984/11/05 Remove Diode Assemblies From Shutoff Solenoids{1259}
1984/11/05 Preferred Engine Timing Procedures{1250,1286,1290,1292}
1984/11/05 Thread Identification Kit Available{0600,0760}
1984/11/19 Use Care When Installing Circuit Boards In Regulators{4467}
1984/11/19 Remanufactured Cylinder Head Groups{1100,1101,7554}
1984/11/19 Additional Information For Correct Fuel Injector Timing{1290}
1984/11/19 Fuel Setting And Related Information Microfiche Corrected, Improved{0374,0375}
1984/11/19 Remanufactured Piece Parts Now Available For Turbochargers (U.S. and Canada Only){1052,1053,1056,1065,1077}
1984/11/26 Causes And Correction Of Opposite Crankshaft Rotation In Direct Injection Engines{1000}
1984/11/26 Rear Power Take-Off Clutch Can Use Nonmetallic Plates And Grease Lubrication For Main Bearings{3055,3305}
1984/11/26 Important Differences In Engine Arrangements On 3208 Engines Equipped With Turbochargers{1000}