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SHAFT 0877341 - Caterpillar



0877341 SHAFT Caterpillar parts SHAFT
Rating:
26
Alternative (cross code) number:
CA0877341
087-7341
0877341
Caterpillar 0877341 SHAFT

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Chain Guards
Illustration 1 g01358430
The recommended clearance between the guard and the conveyor chain is 6.35 mm (0.25 inch).
Verify that the chain guards are not excessively worn in order to protect the chain.
If visible wear is present and the chain is exposed, the guards must be replaced. Conveyor Chain
There are several methods for determining the stretch of the conveyor chain. Each of these methods is listed below in reverse order of preference.In order to access the conveyor chain, lower the left hopper and the right hopper to the lowest positions.
Feel for excessive motion between the bushing and the pin.
Illustration 2 g01358434
Inspect the amount of remaining adjustment in the chain adjustment. Once most of the adjustment has been used, the chain and the sprockets must be replaced.
Illustration 3 g00612551
Measure ten pitches of chain on both strands. The nominal length of a new chain is 69.85 cm (27.5 inch). If the chain measures 71.95 cm (28.325 inch), convenient replacement should be planned. If the chain measures 72.6 cm (28.6 inch), the chain must be replaced as soon as possible. Note: When you replace the chain, always replace both strands and install new sprockets.Note: When you follow the above guidelines, also examine the chain for cracks in the links. Cracked links must be replaced.Drag Bars
Illustration 4 g01358441
New drag bars have a thickness of 31.75 mm (1.25 inch). Once the bars have been worn to a thickness of 21.2 mm (0.833 inch), replace the drag bars.
Illustration 5 g00861324
When you inspect the drag bars, the assemblies for the roller pin should also be checked for loose pins or cracked pins. If any of the pins appear worn or damaged, replace the pins. If any of the pins are loose, replace the pins. Auger Conveyor
Illustration 6 g00861022The corners of new augers are square. As the augers wear, the thickness and diameter become smaller. When the edge wears to a point, the auger should be replaced.Drag Pans
Ultrasonic Measurement
Use an ultrasonic gauge in order to measure the thickness of the drag pans. New drag pans have a thickness of 10 mm (0.4 inch). Once the pans are worn to a thickness of 3.175 mm (0.125 inch), the drag pans must be replaced.
Take the measurement at the center of the drag pan. The center is the thinnest part of the drag pan. You may need to alternate replacing the middle pans due to wear patterns. Note: If the drag pans are worn to approximately 6 mm (0.24 inch), you must make a decision. If the drag pans have been used for two years, the pans will probably last for another year of similar use. If the drag pans have only been used for one year, the pans should be replaced in order to avoid replacing the pans during paving season. This decision involves some discretion.


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