Final Drive Sun Gear Removal
Removal Procedure For The Final Drive Sun Gear On CIPI Undercarriage Arrangements Which Are Based On 325B Track Type Excavators
- Thoroughly clean the area around the final drive. Make sure that you also clean the track shoes that are positioned above the final drive.
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| Illustration 1 | g00110080 |
(1) Cover bolt. (2) Final drive cover. (3) Ring gear. (4) Sun gear. | |
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Without the sun gear in place, the brakes are ineffective. Personal injury or death could result. Provide other means to hold or stop the machine. |
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- Drain the final drive oil into a suitable container. See Operation and Maintenance Manual, "Final Drive Oil - Change" for the procedure.
Note: Refer to Operation and Maintenance Manual, "General Hazard Information" for information that pertains to Containing Fluid Spillage.
- Remove fourteen of sixteen cover bolts (1) from final drive cover (2). Do not leave a bolt in the top hole of the cover.
- Insert an alignment dowel through the top hole of the cover and into the threads in the final drive housing. This is necessary in order to support ring gear (3) while you are removing the final drive cover.
- Remove one track shoe in order to allow access to the face between final drive cover (2) and ring gear (3) .
- Loosen remaining two cover bolts (1) .
- Use a hammer and a wedge to separate final drive cover (2) and ring gear (3). Make sure that ring gear (3) stays in place.
- Remove remaining two cover bolts (1) and final drive cover (2) .
- Remove sun gear (4) from final drive.
- Install final drive cover (2) and sixteen cover bolts (1) .
- Fill the final drive with new oil. See Operation and Maintenance Manual, "Final Drive Oil - Change" for the procedure.
- Repeat Steps 1 through 11 for the other final drive.
- Refer to the Service Manual for information on the installation of the final drive sun gear.
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