1981/05/20 Caterpillar


6V4020 Piston Ring Expander Group Available

Usage:


3500 Series Engines

A new 6V4020 Piston Ring Expander Group is available for disassembly and assembly work on 3500 Series Engines. The expander group is used to remove and install piston rings.

The expander group is made up of a 6V4023 Handle Assembly and a 6V4024 Guide Ring. The guide ring can be removed from the handle assembly. The 6V4020 Piston Ring Expander Group can be ordered as a group. The handle assembly and guide ring are also available separately.


6V4020 Piston Ring Expander Group

Caterpillar Information System:

1981/05/20 Crankshaft Failures; New Thrust Plate
1981/05/20 New Tool Makes Glow Plug Wire Removal Easier
1981/05/20 Safety: Battery Vent Caps
1981/05/20 Change Made To Power Take-Off Adapter Housing
1981/05/20 Replacement Thermostat, Element Assemblies Available For Jacket Water Heater
1981/05/20 Remove And Install Cam Bearings With 6V4077 Cam Bearing Tool Group
1981/05/20 Use 6V4069 Body Group To Remove Tapered Drive Sleeve
1981/04/22 6V3197 Spacer, 6V3041 Tool Group Available For Use During Removal And Installation Of Piston Pin Bearings
1981/04/22 Improve Use Of Engine Service Manual Microfiche
1981/04/22 List Of Service Publications
1981/04/22 New Spacer And Plate Used In Transmission Lower Shaft Groups
1981/04/22 Woodward Governor Available For Parallel Generator Applications
1981/05/20 Larger Valve Springs
1981/05/20 List Of Service Publications
1981/05/20 Different Check Valve Gives Faster Shifts
1981/05/20 Installation Of Rear Bearing Oil Seals In 3N6542, 3N8617, And 3N8618 Rear Power Takeoff Clutch Groups
1981/05/20 Use 6V4089 Reamer Assembly To Clean Nozzle Bores
1981/05/20 Hardened Nuts And Higher Torque Now Used In Ahead And Astern Clutch Groups
1981/05/20 Washer Added Between Bolt And Thrust Plate For Oil Pump Idler Gear
1981/06/03 Replacement Bushings For Delco-Remy Electric Starting Motors Must Be Machined For Correct Clearances
1981/06/03 Use Correct Specifications To Check Piston Ring Gaps
1981/06/03 New Cover Assembly And Gasket Used In Oil Pump Group
1981/06/03 Locks No Longer Used On Flywheel Bolts; New Torque Specifications For Flywheel Bolts
1981/06/03 New Mounting Group For Overspeed Switch
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