1446599 PLATE-WEAR Caterpillar parts
S25
Rating:
Alternative (cross code) number:
CA1446599
144-6599
1446599
CA1446599
144-6599
1446599
Weight: 4 pounds 1 kg.
SHEAR-DEMOLITION/SCRAP,
Compatible equipment models: 1446599:
Number on catalog scheme:
17
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Information:
Problem
The midrollers bearings may fail on certain Challenger 65 Tractors. The midrollers can be rebuilt to extend their service live.
Affected Product
Model & Identification Number
Challenger 65 (7YC1-1784)
Parts Needed
Use as required
8H2265 Ring3W5775 Axle3W5776 Retainer3W5777 Hub Assembly3W5779 Bearing3W5781 Plate9W7220 Seal Group6V6640 SealantAction Required
Follow the procedures in the Service Manual to install the new parts. Refer to the procedure and instructions in Special Instruction SEHS9285 "Use of 4C8701 Axle Installation Fixture Group" to replace the existing 3W5775 Axles in the axle assemblies.
The following information should be observed for inspection and rebuild of individual rollers.
1. All bearings that are loose in their bores must be replaced.2. All hubs in which bearings have turned should have the bores measured where the bearings have turned. The maximum use again bore size for the bearing retaining land is 54.021 mm (2.127").3. The clearance between shafts and bearings has recently been increased. The nominal shaft to bearing clearance has been increased to 0.25 mm (0.010"). Hub assemblies and bearings that are currently in parts inventories will not have this change.
4. If new hub assemblies are being used, the new bearings should be removed from the hubs for honing. New bearings from parts stock should also be honed before installation.Hone the inside diameter to 47.93 mm 0.025 mm (1.887 0.001"). Honing can be started with 200 grit but must be finished with 400 or finer gift. Dealers can use brake hones in " or " air drills running at relatively slow speed. The bearings can be hand held.
5. Used bearings must be removed from their hubs and honed to 47.88 0.025 mm (1.885 0.001"). Many used bearings with scored or scratched bores can be salvaged for reuse by this method.6. Hubs must be thoroughly cleaned before assembly. Use 7M7456 or 4C4032 Bearing Mount to secure the bearings in the hubs.7. Fill the hubs with 296 ML (10 oz) of SAE 30 diesel engine oil.Service Claim Allowances
This is a 24-hour job. It is an additional 1.5- hour job to install each new axle.
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
The midrollers bearings may fail on certain Challenger 65 Tractors. The midrollers can be rebuilt to extend their service live.
Affected Product
Model & Identification Number
Challenger 65 (7YC1-1784)
Parts Needed
Use as required
8H2265 Ring3W5775 Axle3W5776 Retainer3W5777 Hub Assembly3W5779 Bearing3W5781 Plate9W7220 Seal Group6V6640 SealantAction Required
Follow the procedures in the Service Manual to install the new parts. Refer to the procedure and instructions in Special Instruction SEHS9285 "Use of 4C8701 Axle Installation Fixture Group" to replace the existing 3W5775 Axles in the axle assemblies.
The following information should be observed for inspection and rebuild of individual rollers.
1. All bearings that are loose in their bores must be replaced.2. All hubs in which bearings have turned should have the bores measured where the bearings have turned. The maximum use again bore size for the bearing retaining land is 54.021 mm (2.127").3. The clearance between shafts and bearings has recently been increased. The nominal shaft to bearing clearance has been increased to 0.25 mm (0.010"). Hub assemblies and bearings that are currently in parts inventories will not have this change.
4. If new hub assemblies are being used, the new bearings should be removed from the hubs for honing. New bearings from parts stock should also be honed before installation.Hone the inside diameter to 47.93 mm 0.025 mm (1.887 0.001"). Honing can be started with 200 grit but must be finished with 400 or finer gift. Dealers can use brake hones in " or " air drills running at relatively slow speed. The bearings can be hand held.
5. Used bearings must be removed from their hubs and honed to 47.88 0.025 mm (1.885 0.001"). Many used bearings with scored or scratched bores can be salvaged for reuse by this method.6. Hubs must be thoroughly cleaned before assembly. Use 7M7456 or 4C4032 Bearing Mount to secure the bearings in the hubs.7. Fill the hubs with 296 ML (10 oz) of SAE 30 diesel engine oil.Service Claim Allowances
This is a 24-hour job. It is an additional 1.5- hour job to install each new axle.
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
Caterpillar parts catalog:
Parts plate Caterpillar catalog:
1443813
PLATE
S25
S25