Manual Description
Overhaul should be done in a clean work area, it is preferable to work in dust proof area. Before disassembly completely remove sand and mud from the exterior of the unit, preventing them from entering into the unit during disassembly or assembly. Check appearance of the disassembled parts for damage, deformation, and unusual wear.
Gaskets, seals and O-rings should be replaced any time when the unit is disassembled. In principle, tighten bolts or nuts gradually in several steps working diagonally from inside to outside. When applying sealant, remove the old sealant from the mounting surface; then remove any moisture, oil, and foreign materials from the application and mounting surfaces.
Fill with new gear oil until oil level reaches the specified level near filler plug hole. Align the matching mark of drive pinion with the matching mark A of companion flange, then install the companion flange. Apply gear oil on the screw part of drive pinion and the seating surface of drive pinion lock nut.
Manual Cover
General