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BRAKE G 0544491 - Caterpillar



0544491 BRAKE G Caterpillar parts BRAKE
Rating:
76
Alternative (cross code) number:
CA0544491
054-4491
0544491
Caterpillar 0544491 BRAKE G
Weight: 18 pounds 8 kg.

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Locknut installation instructions with the differential removed from axle
Refer to the Disassembly And Assembly Manual for the complete procedure.
Use the following procedure to set pinion rolling torque.
1) Ensure the input pinion bearings are adequately lubricated with oil. Install the new thrust washer and nut that come with the 286-3688 locknut assembly. The nut should be installed so the retainer groove is towards the thrust washer. The bearings should be in slight endplay.
The old thrust washer needs to be removed or the 286-3688 locknut assembly will not fit correctly and could cause a failure.
Illustration 1.2.1: Correct direction to install the nut. The retainer groove should be towards the thrust washer. Some locknuts have two retainer grooves making installation direction irrelevant.
2) Tighten the locknut against the washer. Rotate the pinion several times.
3) Tighten the locknut until the rolling torque is between 0.67 Nm (5.93 lb in) to 1.35 Nm (12 lb in). Rotate the pinion several times while tapping the shaft with a soft mallet until the rolling torque is maintained in the 0.67 Nm (5.93 lb in) to 1.35 Nm (12 lb in) range.
The torques that are specified are for new bearings. For used bearings, limit the applied torque to one-half of the specified torque
4) Install the locking washer onto the nut so the tabs line up with the grooves on the thrust washer. The locking washer has eight different positions on the nut in order to get the tabs to align with the thrust washer slots. The nut should not be moved in order to get the locking washer to align with both the nut and the thrust washer.
If the locking washer does not fully align with the nut and the thrust washer. Position the locking washer on the nut so that it is very close to fitting into the thrust washer grooves so the nut has to turn TIGHTER. Rotate the nut tighter until locking washer fits into the grooves on the thrust washer.
The nut should not have to be moved more than 1 degree to align the locking washer and thrust washer. If the Locknut is loosened to install the locking washer, the pinion and bearings will need to be reseated.
Illustration 1.2.2: The nut should not have to be moved in order to align the locking washer with the thrust washer. The nut should not have to be moved in order to align the locking washer with the thrust washer. The locking washer has 8 positions on the locknut to align it with the thrust washer. Without turning the nut, rotate the locking washer until the two washers align, as shown in the right picture.
5. Recheck the rolling torque. While measuring the rolling torque, make sure it does not ?spike? or increase over 1.35 Nm. If there are spikes over 1.35 Nm go back to step 1 and use a smaller rolling torque value.
6. Install the retainer into the retainer groove of the nut. Make sure the retainer is fully seated in the groove.
7. After the


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