New Drive Belt Idler Pulleys Have Larger Bearings
Usage:
3208 Truck and Industrial Engines
Description of Change: New drive belt idler pulleys are used on water pump drive groups, fan drive groups, and belt tightener groups on 3208 Truck and Industrial Engines. The larger bearings in the pulleys have more load capacity than the former bearings. For this reason, they will give longer service life.
Adaptable As: Direct replacement as shown in the chart.
Caterpillar Information System:
1978/05/24 Use New Tools To Adapt Former Cylinder Heads With Counterbores To Cylinder Blocks With Spacer Plates
1978/05/24 Stronger Fuel Inlet Flanges Prevent Parts Damage And Keeps Air Out Of The Fuel System
1978/05/03 Chamfer Added To Bolt Hole In Auxiliary Drive Pulley For Water Pump
1978/05/03 New Piston Group With Better Service And Operation Characteristics Now Available
1978/05/03 New Oil Pressure Gauge Available For Marine Transmissions Used On D348, D349, D353, D379, D398, D399, 3406 And 3408 Marine Engines
1978/05/03 External (Outside) Oil Lines Now Used Instead Of The Oil Passage In The Cylinder Block And Flywheel Housing
1978/05/03 Possible Problems With Fuel Filters
1978/05/03 One-Piece Seat Used For Governor Spring
1978/05/03 New 5P8709 Piston Tool Group For The Alignment Of Piston Cooling Jets
1978/05/03 Improved Oil Suction Tube Assembly
1978/05/03 O-Ring Seals Of A Different Material Are Now Used On The Outside Diameter Of The Servo Cylinder In Governors
1978/05/03 Longer Hoses Used At Radiator Lower Hose Connections
1978/05/24 Coolant Syringe And Battery Fluid Probe Now Available
1978/05/24 New Gasket Installed Between Flywheel Housing And Cylinder Block
1978/05/24 Silicone Grease Now Used In Seal Ring Groove In Turbochargers
1978/05/24 New Governor Spring Gives Correct Balance Point Speed
1978/05/24 If Auxiliary Bypass Oil Filters Are Used-Be Sure To Add Enough Extra Oil To Fill The Filters
1978/05/24 Modification Of Drive Adapter For Fuel Injection Test Bench
1978/06/14 Lubrication For A Rebuilt Engine
1978/06/14 5P9722 Driver Needed To Install New Seal Assembly In Water Pumps
1978/06/14 Explanation Of Nomenclature Used In Engine Performance
1978/06/14 Attachment Groups Put Corrosion Inhibitor Directly Into Cooling System
1978/06/14 Information Plate Installed On BrakeSaver Housing
1978/06/14 Procedures And Cautions For Use Of A FLEX-HONE On 3204 And 3208 Engines