Various Size Orifice Plugs Available Through Parts Department{5050}
Usage:
All Models
Reports have been relieved from the field indicating that orifice plugs, used in various hydraulic valves and fittings, have been welded and redrilled to a smaller size or drilled out to a larger size. A variety of orifice size plugs are available through the Parts Department for any given size pipe threaded hole found in various valves and fittings. There are partial lists of orifices in other publications which are not sorted by material type and are not readily available in the field. The following chart lists various orifice plugs by plug size, material, and in orifice size sequence for easier reference.
Caterpillar Information System:
1995/11/13 Product Identification Number Effectivity For Caterpillar Machines Equipped With Air Conditioners With R-134a Refrigerant {7320,1809}
1995/11/13 Screw Terminal Pressure Switches Replaced By Switches With A Deutsch® DT Connector {1400}
1995/11/13 The Technical Information Feedback System Form Is Available In Electronic Mail {0374}
1995/10/30 Improvements to Service Information System (SIS) 2.0 Update{0374,0375,0376}
1995/10/23 Incident Reports And Parts Involved{0336,0337}
1995/10/09 Alternate Style Grease Gun Coupler Provides Better Service {0646}
1995/10/09 Caterpillar Legendary Service Literature Catalog SELD0811 Updated {0374}
1995/10/02 Numbering The Crankshaft To Match Counterweights {1202,1231}
1995/09/25 Improved Stop Lamp Pressure Switch Available{1435,7805}
1995/09/25 Retrofit Of Corporate Fuel Cap To Threaded Fuel Tank Filler Neck Now Available{1273}
1995/09/11 Improved Prelube Pressure Switch Available {1400,1435,1319}
1995/08/07 Description Of Service Code Information{7450,7569}
1995/12/11 Improved Arc Suppressors Withstand Additional Vibration and Flexing{7337,1623}
1995/12/18 Service Meters Improved To Help Prevent Lens Fogging{7480}
1995/12/25 New Valve Guide Available{1104}
1996/01/08 Key Start Switch Improved{1416}
1996/01/08 Lockout Device Now Available For The Battery Disconnect Switch{1411}
1996/01/22 Caterpillar Electronic Technician (CAT ET){0700}
1996/01/22 Mixing Caterpillar Long Life Coolant/Antifreeze (LLCA) With Conventional Cat Diesel Engine Antifreeze/Coolant And/Or Other Commercially Available Diesel Engine Antifreeze/Coolants Is Not Recommended{1395}
1996/01/22 Tamper Resistant Plugs And Tamper Resistant Bolts Used To Prevent Changes To Fuel Ratio Control (FRC) Setting{1278,1287}
1996/01/22 Governor Spring Guide Press Depth{1287,1284}
1996/02/12 New Pressure Switch Assembly Is Available For Fuel Applications; 9G-8011 Pressure Switch Assembly Should Not Be Used In Fuel Applications {7414}
1996/03/11 Working Load Limits For Forcing Screws, Puller Bolts and Studs{0700}
1996/03/18 Special Instruction SEHS9824 Available For Cab Window Service Procedure {7310}