Repair Kits Available For Air Actuator Used In Governor Control Groups{1250}
Usage:
D379, D398, D399, G379, G398, G399 And 3500 Series Engines Equipped With UG8L Governor
A 4W85 Air Actuator Kit and the 7W4923 Diaphragm Kit are available to repair 3N9124 Air Actuators used in governor control groups on the above engines equipped with UG8L Governors. These kits will allow the air actuator to be rebuilt and also provide parts to update earlier actuators. The components of the 4W85 Air Actuator Kit are shown in the illustration and listed in Chart A. The components of the 7W4923 Diaphragm Kit are shown in the illustration and listed in Chart B.
Components of the 4W85 Air Actuator Kit and the 7W4923 Diaphragm Kit.
Caterpillar Information System:
1985/08/26 Dual Element Air Cleaner Group Available{1054,1051}
1985/08/26 Improved Front Gear Housing Assembly Used In Engine Front Housing Group{1151}
1985/08/19 New Camshaft Installation Tools Available{0600}
1985/08/19 New Address And Phone Number For Ordering Fabricated Tool (FT) Drawings{0600}
1985/08/19 Improvements Made To Spark Ignited Engines{1100,1104,1105,1207}
1985/08/19 New Format For Some Special Instructions{0300}
1985/08/12 Thread Lock Now Used On Timing Advance Bolts{1272}
1985/08/12 The 8T3115 Portable Track Lubricator Can Be Used To Drain And Fill Track Link Joints{0645,4169,4170}
1985/08/12 Halogen Head And Flood Lamps Are Now Available{7309}
1985/08/12 Location Of 6V5135 Setscrews In Fuel Pump Group{1250}
1985/08/12 Eliminating Interference Between Governor Housing And Tachometer Drive{1264,7487}
1985/08/12 Tachometer Drive Is Now An Attachment{1166,1250,7450,7452,7487}
1985/09/02 Adjusting Pneumatic Speed Control For Correct Operation{1264}
1985/09/02 New Engine Pressure Group Available{0600,0770,0781}
1985/09/02 New Precombustion Chamber Seal Available{1106,1100}
1985/09/02 Use Correct Valves When Rebuilding Engines{1105,1103}
1985/09/02 Check Fuel Injection Nozzles In Overheated Engines{1254}
1985/09/02 Steel Fuel Pump Lifter Used{1250,1251}
1985/09/02 Fumes Disposal Group Improved{1317}
1985/09/16 Oil Pump Groups Improved {1304}
1985/09/16 New Tools Available To Change BrakeSaver Control Valve Diaphragm {0600,1155}
1985/09/16 Changes To Fuel Systems {1250,1251,1252,1253,1254,1100}
1985/09/16 Pressure Switch Has Been Improved {1419,7332}
1985/09/16 Use Product Information System For Consists Of Engines With No Bills Of Material {0330,0350,0373,1000}