Seals-Primary Gear Shaft
Remove1. Remove IRD.
2. Remove 8 bolts securing end cover to main case of IRD.
3. Remove end cover.
4. Remove intermediate shaft and differential from primary shaft.
5. Remove primary shaft from main case.
6. Remove 2 seals from primary shaft.
7. Remove 2 seals from main case.
Refit
1. Clean primary gear shaft and intermediate shaft and differential.
2. Clean seal locations.
3. Fit seal to each end of primary gear shaft with seal lips facing outwards.
4. Fit primary gear shaft to main case
5. Fit suitable protection over splines on intermediate shaft.
6. Carefully fit intermediate shaft to primary shaft.
7. Clean remains of old sealant from mating faces of end cover and IRD main case.
8. Apply a narrow bead of RTV sealant, to mating face of end cover
9. Fit end cover to IRD and tighten bolts progressively to 30 Nm (22 ft. lbs.).
10. Fit seal protector, part of LRT-41-015 to IRD splines.
11. Using plain end of LRT-41-015, fit inner seal into main case until it contacts shoulder.
CAUTION: The seals are fitted with the main sealing lips facing away from each other.
12. Using flanged end of LRT-41-015 fit outer seal to depth dictated by tool flange.
CAUTION: Use end protector of LRT-41-015 to avoid damage to the working surfaces of the tool.
13. Remove oil seal protector.
14. Fit IRD.