New Digital Tachometers Available As Attachments
Usage:
All Engines
A new family of digital tachometers is available. The new tachometers are self-powered by either a flywheel sensor or tachometer generator. Two of the tachometers have a rotary switch on the tachometer to be programmed to work with different flywheels (number of teeth). Some of the former tachometers used programming boards attached to the back of the tachometer.
The chart identifies the new and former tachometers their type.
NOTE: 9X3405 Sealing Plug Kit is available to seal the hole over the selector switch on 9X1116 and 9X1117 Tachometers.
Caterpillar Information System:
1990/07/01 Electrical System Damage From High Voltage
1990/07/01 Welding On Fuel And Hydraulic Tanks
1990/07/01 Correct Position Of Regulator Housing On Combined Water Lines Group
1990/07/01 New Turbocharger Gas Inlet Housing Used
1990/07/01 Improved Material Prevents Sagging Of Rear Manifold Section
1990/07/01 Boss Added To Keep Bolts From "Bottoming Out" In Expansion Tank Groups
1990/07/01 Special Instruction SEHS8700 Available For Installation Of Engine Flexible Mounting Group
1990/07/01 New Jacket Water Heater Groups Have New Thermostat
1990/07/01 New Water Regulator Prevents Leakage
1990/07/01 Valve Lifters Can Be Removed Without Removing Cylinder Heads
1990/07/01 Improved Turbocharger Bearing Kit Available For Parts Service
1990/07/01 New Spark Plug Seal Used
1990/07/01 List of Service Publications
1990/08/01 Changes To Exhaust Manifold Expansion Sleeves And Bolts
1990/08/01 New Manifolds And Bellows Assemblies Used In Exhaust Manifold Group
1990/08/01 New Aftercooler Gaskets Help Maintain Constant Bolt Torque{1063,1079}
1990/08/01 Stronger Fan Guard Resists Vibration Damage
1990/08/01 Improvements Reduce Vibration To The Low Water Level Switch On Expansion Tanks
1990/08/01 New Caterpillar Parts Identification Label
1990/08/01 Bearing Information For SR 4 Generators
1990/08/01 Rotor Shaft Length Changed
1990/08/01 Spacer Available To Eliminate Cracks On Ignition Coil Mounting Bracket
1990/08/01 New Pistons Used
1990/08/01 New Throttle Shaft Bearing Sleeves Used In Governor Housing Assembly