1980/03/24 Caterpillar


New Plugs And Rubber Stoppers For Machines With Sealed And Lubricated Track{4169,4170,4175,0622}

Usage:




All Track-Type Tractors And Loaders

Description of Change: The clear acrylic plastic plugs which have been used in the track on D10 Tractors are now used in all applications. The clear plastic plugs are used in sealed and lubricated track for all track-type tractors and loaders, and in the track rollers and idlers in addition to the track on D10 Tractors. Since the clear plugs have a larger diameter than the former black plastic plugs, new rubber stoppers are released for use with the clear plugs. With this change, it is important to use only the clear plastic plugs with the new stoppers. If a former black plug is installed in a new stopper, it can work out and permit a complete loss of lubricant. For this reason, the outer end of each of the new stoppers has the part number shown on it, and has a yellow color for easy, positive identification.

Adaptable As: Each of the new rubber stoppers is a direct replacement for the former stopper in its applications. Be sure to use only the new plug with a new rubber stopper.

INSTALLATION: A special tool, the 5P7419 Plug Installer, is used to install the plastic plugs in the rubber stoppers. At the time this tool was changed to use with the new clear plugs, a complete change was made in the design of the tool, but it is not necessary to order the later tool for use with the new plugs. A modification can be made to the earlier 5P7419 Plug Installer as shown in the illustration. This will permit the tool to be used for either the new or former plugs.

NOTE: The 5P2415 Nozzle Assembly in the 5P2420 Lubrication and Testing Group can still be used with the new rubber stopper. The end of the nozzle tube fits loosely in the larger hole of the new stopper, but the shoulder on the nozzle will seal the opening if the nozzle is held tightly against the stopper. To use the nozzle, push it all the way into the stopper and hold it tightly.


New and former rubber stoppers and plugs.


Modification of earlier 5P7419 Plug Installer.

Caterpillar Information System:

1980/03/24 An Increase In Engine RPM Will Extend Vanes In Hydraulic Oil Pump To Start Pump Output{5055,5068}
1980/03/24 New Fuel Injection Lines And Clamps Prevent Stresses And Contact Which Can Cause Leakage{1252}
1980/03/24 Visual Inspection Of Main And Connecting Rod Bearings{1203,1219,1230}
1980/03/24 Different Water Temperature Regulators Now Used To Prevent Overheating{1355}
1980/03/24 8S2252 Carbon Seal Tool Can Be Adapted For Use On 8N7001 Fuel Nozzle Assembly{0611,1254}
1980/03/24 New Top Piston Ring Has Plasma-Coated Face{1215}
1980/03/24 Crankshaft Rear Seal And Wear Sleeve Are Now Serviced As A Group Instead Of Separate Parts{1161}
1980/03/24 Inspect Regulator Cover Assembly When Overcooling Is A Problem{1350,1380}
1980/03/03 Fuel Heaters Are Now Available For Field Installation{1296}
1980/03/03 Connecting Rod Changes And Replacement Information{1218}
1980/03/03 Spacer Plate Block Group Used For Parts Service Of Block Group With Counterbore Design{1101,1201}
1980/02/25 Identification Of Fuel Injection Lines And Nozzle Bodies For Different Combustion Systems{1252,1254}
1980/03/24 New Control Valve Body{1155,1159}
1980/03/24 Different Vibration Damper Now Used{1205}
1980/03/31 Use The 6V200 Hydraulic Wrench To Get Correct Torque Applications On Fasteners In Difficult Access Areas{0612,0623}
1980/03/31 6V2023 Flow Check Adapter Group Is Available{0651,0654}
1980/03/31 Replacement Pinion And Output Gear Available For Service Of Torque Multiplier{0614}
1980/03/31 Remanufactured Short Blocks Are Available For Repairs Of Early 3406 Engines{1201,1101,1102}
1980/03/31 Caution: Outboard Bearing Must Be Removed From Extended Shaft Of Front Power Takeoff Before The Engine Is Moved{3055}
1980/03/31 Use Correct Cord Assembly With Jacket Water Heaters{1383}
1980/03/31 Modification Of 5P1768 Pointer Assembly Necessary For Use On Some Fuel Injection Pump Housings{1253,0653}
1980/03/31 New Liner Seat Insert For No. 1 And No. 4 Cylinders Of D353 Engines{1217}
1980/04/14 Repair Parts Now Available For 5S2801 Hose Press Group{0624}
1980/04/14 Important: Use Only 12 Volts Direct Current To Boost Start 3208 Truck Engines Equipped With Exhaust Gas Recirculation Systems{1401,1453,1080}
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