Additional Serviceable Components in Electric Starter Group
Usage:
3608 (6MC),
3612 (9RC) Engines Equipped With Electric Starting Motors
Reference: Engine News, April 1990, Page 6, "Improvements, Maintenance and Troubleshooting Information For Electric Starting Motors".
The 7X2032 and 7X2033 Magnetic Switch Assemblies listed in the Reference Article, now have serviceable components. The illustration and chart identify the serviceable components.
Location of serviceable components in 7X2032 and 7X2033 Magnetic Switch Assemblies. 7X2033 Magnetic Switch Assembly shown.
Caterpillar Information System:
1990/11/01 Correct Operation And Alignment Of Parts Eliminates 7W3976 Shaft Failures In 50:1 Barring Device
1990/11/01 New Turbocharger Gas Inlet Housings Used
1990/11/01 New Alternator Drive Pulley Seal Used With New Drive Pulley; Poly-Vee Belt Can Be Installed
1990/11/01 New Cylinder Head Gasket And Higher Cylinder Head Bolt Torque
1990/11/01 Improved 7W7730 Cylinder Head Gasket Provides Better Sealing Capability
1990/11/01 New Crankshaft Seal Groups Used
1990/11/01 Setscrew And Nut Available For Fuel Setting And Injector Synchronization
1990/11/01 New Stronger Exhaust Valve Push Rod Used In Valve Mechanism Groups
1990/11/01 New Exhaust Manifold Gasket And Locks Used In Exhaust Manifold Groups
1990/11/01 Modification Of 1U7791 Valve Seat Driver
1990/11/01 Governor Control Motor Polarity May Require A Change
1990/11/01 New Camshaft Has Improved Wear Resistance
1990/11/01 New Relay Added in the 7C9063 and 7C9064 Instrument Panel Groups For Use With New Digital Pyrometers; Special Instruction SEHS9020 Available
1990/11/01 Planetary Housing Requires Two Ball Plugs
1990/11/01 Correct Procedure To Check For Grounds On Woodward 9905 Series, 2301A Control; Correction For Service Manual Module; 2301A Electric Governors (Load Sharing) For Generator Set And Industrial Engines; Form SENR3585-01
1990/11/01 New 4C6715 Silicone Compound Available For Components Where Centrifugal Force Is Present
1990/11/01 Obsolete Capacitor In VR1 Voltage Regulators
1990/11/01 New Caterpillar Battery Warranty Statement, SELF5124
1990/12/01 Use Only Stainless Steel Cylinder Liner Shims To Salvage Damaged 4.75" Bore Cylinder Blocks
1990/12/01 Remanufactured Camshafts And Cam Kits Available For Parts Service
1990/12/01 New Rear Power Takeoff Clutch Plates Do Not Contain Asbestos
1990/12/01 New Bronze Thrust Plate Used On Center Main Bearing Of Crankshaft Groups
1990/12/01 Service Tips For Piston Cooling Jets (Tubes)
1990/12/01 Correct Handling And Replacement of 3T6962 Pressure Switch Assembly