New Shaft Assemblies Used For Forward And Reverse Clutch And Stronger Nipple Used At Oil Pump
Usage:
Twin Disc 514 Marine Gears
Description of Change: Induction hardened shaft assemblies for the forward and reverse clutch are now used to prevent possible damage to the clutch hub.
Also, a stronger nipple is used to connect the suction line to the oil pump. Vibration in some installations can cause failure of the former nipple.
Adaptable As: Direct replacement.
Caterpillar Information System:
1977/04/06 New Retainer And Improved Housing Keep Water Pump Bearing Tight; Repair For Loosened Bearing
1977/04/06 Loose Bolts And/Or Bracket Can Cause Air Compressor Failures
1977/03/15 Cooling System Orifice Changed For Better Flow Control And Air Removal
1977/03/15 New Spring Used In Fuel Ratio Control
1977/03/15 Drains In New Fuel Injection Pump Housing And Governor Housing Prevent Possible Corrosion And Freezing Damage
1977/03/15 Modification To Holder To Machine Counterbore On Cylinder Block
1977/03/15 Improved Exhaust Valve Now Available
1977/03/15 Hardened Washers Now Used Between The Bolt Heads And The Engine Front Support To Keep These Bolts Tight
1977/03/15 Changes To Retainer Nut Torque And Assembly Procedures For Turbocharger Compressor Wheels
1977/03/15 Clip Now Used To Hold Coolant Line For The Turbocharger
1977/03/15 Lock Now Available For Connecting Rod Bolt Used In TU-FL0501 Air Compressor
1977/02/28 Improved Shut-Off Solenoids For Engines Equipped With Sleeve Metering Fuel Systems
1977/04/06 Use Insert To Repair Bearing Seat In Water Pump Housing
1977/04/06 Coolant Flow Warning System Can Be Adapted To Many Earlier Models
1977/04/06 Revision Of Engine Data Sheet Gives Important Information On Single-Bearing Generators Assembled To Cat Engines
1977/04/06 New Diaphragm Used In Brakesaver Control Valve
1977/04/06 List Of Service Publications
1977/04/22 New Oversize Connecting Rod Bearings Have Improved Design And Material
1977/04/22 Improved Mounting For Expansion Tank
1977/04/22 Tools To Remove Wear Sleeves From Crankshafts
1977/04/22 New Piston Pin Bearing Used In Connecting Rod Assembly
1977/04/22 Stronger Material Used In Undersize Connecting Rod Bearings
1977/04/22 List Of Service Publications
1977/05/03 Special Tools For Complete Repair Of Water Pump In Direct Injection Engines