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MAINTENANCE
SE6 05/05 Maintenance Section 5-13
© 2005 Alamo Group Inc.
MAINTENANCE
INPUT SHAFT DISASSEMBLY AND ASSEMBLY (Figure Mnt-R-0084)
1. Remove retaining ring (Ref. #11) if it is used, and then remove bearing housing (Ref. #13) by holding
end of shaft which does not have a cross hole or splines and tap opposite end of shaft on a solid
surface. Shock force will remove housing from bearing (Ref.#4).
2. Remove retaining ring (Ref. #7) closest to bearing. Tap end of shaft as explained in Step 1 until
bearing and gear drop off shaft.
3. Worn components can now be replaced and assembled in reverse order.
ASSEMBLY ORDER
1. Install gear onto shaft as shown in Figure Mnt-R-0084. Note location of two snap ring grooves.
2. Install bearing on shaft.
NOTE: Use tube with ID just large enough to go over shaft to drive bearing against gear. Install retaining ring
(Ref 7).
3. Press oil seal flush with front side of bearing housing (See SEAL INSTALLATION
RECOMMENDATION).
4. Lubricate ID of seal and insert shaft until bearing contacts housing. Press bearing into housing by
hitting end of shaft. Once bearing is in place insert snap ring (Ref #11). NOTE: Snap ring must be
inserted between bearing and gear before pressing bearing into housing.
SEAL INSTALLATION RECOMMENDATIONS
1. Check Seal - for damage that may have occurred prior to installation. A sealing lip that is turned back,
cut or otherwise damaged should be replaced.
2. Check Bore - to see that leading edge is deburred. A rounded corner or chamber should be provided.
3. Check Shaft - remove surface nicks, burrs and grooves and lubricate with a hard, fibrous grease.
NOTE: Wrap plastic tape around irregular shaft surfaces such as splines to protect seal during
assembly.
4. Use Correct Installation Tool - Always use a pipe or tube with approximate same OD as seal and press
seal by striking tube.
NEVER HAMMER DIRECTLY ON THE SURFACE OF THE SEAL.