Shock Absorber Now Used In Belt Tightener Group{1358}
Usage:
980C and 992C Loaders;
824C Tractors;
825C and 826C Compactors
Description of Change: A shock absorber is used in the belt tightener group for the above models. Formerly, a spring was used to keep the fan belt tension correct. The new shock absorber will give the correct belt tension so the fan belt will not slip (slide) on the pulleys.
Adaptable To: All earlier machines when the new parts shown in the chart are used together.
Location of new parts for 992C.
Location of new parts for 980C, 824C, 825C and 826C.
Caterpillar Information System:
1980/02/04 New Bonnet Used On Transmission Oil Cooler; Bracket Holds Bonnet To Oil Pan{1375,1302}
1980/02/04 Real Value Available Through Caterpillar Remanufacturing Programs{0374}
1980/02/04 Change To Gear On Accessory Drive Shaft Assembly Gives Longer Service Life{1207,1206}
1980/02/04 New Cylinder Liner Has Improved Design To Keep Liner Temperatures Lower{1216}
1980/01/28 Oil Drain Hole Added To Spacer Plate Cylinder Block To Permit Use Of Scroll Fuel System{1201,1221}
1980/01/28 Installation Procedures For 5N5880 Remote Shut-Off Group And 5N6336 Oil Pressure Indicator Gauge Group{7418,7403,7455}
1980/01/28 Correct Planet Gear Bearings Must Be Used For Parts Service Of Transmission Gear Trains{3176}
1980/01/28 Different Seal For Control Shaft In Power Control Box{5201}
1980/01/28 Reinforcement Plates Can Be Added To Make The Fuel Tank Stronger{1273}
1980/01/28 New 6V199 Socket For Use On Fasteners In Areas With Limited Clearance{0612}
1980/01/28 Radiator Fan Blades Can Be Damaged If They Come In Contact With Large Quantities Of Water{1356}
1980/01/28 New Cross-Over Steering Relief Valve Used{4322}
1980/02/04 New Turbocharger Group Has A Water-Cooled Bearing Housing{1052,1053,1073,1380,1307}
1980/02/04 Different Nuts Now Used To Adjust Preload On Bearings For Differential And Bevel Gears{3258,3256,3257}
1980/02/11 Warning: Avoid Use Of Fuel Mixtures Of High Volatility. If You Are Exposed To Such Mixtures, Be Aware Of The Hazards Involved And Take Proper Precautions{1280}
1980/02/11 New Bearing Retainer Plate Is Used In Carrier Rollers{4154}
1980/02/11 New Gasket Gives A Better Seal Between The Flywheel Housing And Cylinder Block{1157,1201}
1980/02/11 Use The Correct Water Temperature Contactor{1350,1100}
1980/02/11 Improved Wheel Assembly (Stator) Used In Torque Converters{3101}
1980/02/11 New Bypass Valve Used In Oil Filters{3179,5068,3004}
1980/02/11 Locknuts And Hardened Washers Now Used On The Differential Housing Retainer Bolts; Torque Value Increased{3258}
1980/02/25 SAE 30 Oil Now Used In Swing Drive And Final Drive{5459,4070}
1980/02/25 New Weld Inspection Gauges for Track Rollers And Idlers{0653,4159,4180}
1980/02/25 Revision Of Special Instruction Form No. SMHS7267, "Use Of 5P8709 Tool Group For Alignment Of Piston Cooling Jets" Has Important Changes{1307}