Setscrew And Nut Available For Fuel Setting And Injector Synchronization
Usage:
1.1 Liter Family Of Engines
The 7X7889 Setscrew and 5C8312 Nut are used for both the fuel (power) setting and injector synchronization in the 7C1514 (3114 Engines) and 7C1516 (3116 Engines) Rack Control Assemblies. Both the setscrew and the nut can be used as direct replacements for the injector synchronization screw and nut on the former rack control assemblies, and are available for parts service. However, the 7X7889 Setscrew is 6.0 mm (.24 ") longer than the former setscrew.
7W6989 Fuel Injection Control Group. (1)7C1516 Rack Control Assembly. (2) 7X7889 Setscrew. (3) 5C8312 Nut. (A) Parts used for injector synchronization. (B) Parts used for fuel setting.
Caterpillar Information System:
1990/09/01 New Remanufactured 0R6183 Control Group (Personality Module) Available
1990/09/01 Incorrect Throttle Adjustment Can Cause Engine Surge
1990/09/01 Correct Light Bulb Replacement For The 8T9290 Borescope; New Light Bulb Used
1990/09/01 New Service Tools Available
1990/09/01 Sealing Threads On Switches And Sensors That Are Grounded Through The Case
1990/08/01 New Caterpillar Parts Identification Label
1990/08/01 Coolant Loss In 3406B Truck Engines
1990/08/01 New Pistons Used
1990/08/01 New Rotary Solenoid (Brushless Torque Motor) Used In PEEC Engines
1990/08/01 Effective Dates, Serial Numbers And Features Of PEEC Personality Modules
1990/07/01 List Of Service Publications
1990/07/01 Welding On Fuel And Hydraulic Tanks
1990/10/01 Price Adjustments On Service Program Modules
1990/10/01 Improved 7C1757 Exhaust Manifold Group
1990/10/01 Front Trunnion Bolts May Come Loose
1990/10/01 Increased Capacity Oil Sumps Require Additional Oil And Different Maintenance Interval
1990/10/01 New Exhaust Valves Are Used In Caterpillar Remanufactured Cylinder Heads
1990/10/01 Engine Service Training Literature Uses New Form Number
1990/10/01 New 4C5084 Oil Filter Cutter Replaces Former 6V7905 Filter Cutter
1990/10/01 4C6600 Battery Voltmeter For Determining Battery Percent Of Charge
1990/10/01 List Of Service Publications
1990/11/01 New Shim Improves Low Idle Stability Of Governor
1990/11/01 New Stronger Exhaust Valve Push Rod Used In Valve Mechanism Groups
1990/11/01 New Exhaust Manifold Bolt Tightening Procedure