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GASKET 1C4003 - Caterpillar

1C4003 GASKET Caterpillar parts GASKET
Alternative (cross code) number:
Caterpillar 1C4003 GASKET
Weight: 6 pounds 2 kg.

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Section View of Outer Portion of Assembled Wheel Assembly. A. Outer Flange. B. Former Bead Seat Band. C. New Band (Extension Added). D. Lockring. E. Rim Base. F. O-Ring Seal.Caterpillar has improved the bead seat band for five piece tire rims to assist in correct lock ring assembly. Changing tires with the new bead seat band requires the use of certain adapters with the beadbreaker tools.* The 6V7043 Adapter Plate must be used for all vehicles except Wheel Tractor-Scrapers.* The 4C4624 Adapter must be used on the Wheel Tractor-Scrapers.Caterpillar has also released the 4C4105 Beadbreaker Group to allow easier dismounting of large tires. The 4C4105 is larger than the 3P2219 Beadbreaker Group it replaces. To use the 4C4105 with the 6V7043 Adapter Plate requires some alterations to the adapter plate.This instruction will show the changes required to allow using the 6V7043 Adapter Plate with the 4C4105 Beadbreaker Group. It will show how the 4C4624 Adapter may be fabricated. It will also show the correct use of the beadbreaker and the adapters for dismounting Caterpillar tires.
Correct procedures must be followed while servicing tires and rims. If not, the assemblies could burst with explosive force and cause serious personal injury or death. Servicing and changing tires and rims should be done only by trained personnel using proper tools and procedures.
Necessary Parts
Modification of the 6V7043 Adapter Plate
* The 6V7043 Adapter Plate may be modified to allow use with the 4C4105 Beadbreaker Group. This plate may be used for all five piece rims except Wheel Tractor-Scrapers.
Mill out 4.5 0.5 mm (.180 .020") at each of two locations (A).* After modification the part number of the adapter plate will be FT2304.Fabricate the 4C4624 Adapter
4C4624 Adapter.* Fabricate the adapter using SAE 1018 stock.* May be used on Wheel Tractor-Scrapers.Using the Beadbreaker on Bead Seat Bands With the Extension Added
1. Stand in a position so the valve stem is not pointed at your body. Remove the valve core from the valve stem. Run a piece of stiff wire through the valve stem to be sure the stem is not clogged with dirt. Allow the tire to fully deflate before proceeding. 2. Remove nut (2) and bolt (1). The standard pressure nut (2) will encounter new extension band (3) that has been added to the bead seat band. Caterpillar recommends replacing the standard bolt with the 4C4621 bolt because the floating ball end will apply a better distribution of pressure than the bolt that was removed.Setting up the Tooling
All Models Except Wheel Tractor-Scrapers
* Install FT2304 Adapter (4) and 4C4621 Clamping Setscrew (1) on the bead breaking tool as shown.Wheel Tractor-Scrapers
* Install 4C4621 Clamping Setscrew (1) on the bead breaking tool as shown. Place 4C4624 Adapter (4) so that it "bridges" new beadseat band under the bead breaking tool. Positioning of adapter (4) is made easier with the use of a 1/4-20 thread bolt (5) attached in holes provided.Using the Tooling (All Models)
3. Position the tire tool and the adapter on the rim as shown

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