Daewoo KORANDO Service Manual page 1183

5D1-22 TRANSFER CASE (PART TIME 4408)
Cleaning Procedure
Notice
Before cleaning, check the magnet for the
presence of metal particles which indicate internal
chipping of the transfer case.
1. Using cleaning solvent, clean the residual oil and dirt
deposits.
Notice
During cleaning, be careful not to damage the metal
surfaces.
2. After cleaning, dry the parts with low pressure (Max. 20 psi)
compressed air.
3. Lubricate the ball bearings and needle bearings with transfer
case oil after cleaning.
Notice
Protect the lubricated bearings from dust.
Inspection Procedure
1. Visually check the all removed parts.
Notice
Always replace the hose coupling, O-ring and oil seal with
new parts.
2. Inspection Terms
Burr : Local rise of material forming protruding sharp
edge
Chip : An area from which a small fragment has been
broken off or cut
Crack : Surface break of line nature indicating partial or
complete separation of material.
Excessive wear : Heavy or obvious wear beyond
expectations considering conditions of operation.
Indentation : Displacement of material caused by localized
heavy contact.
Galling : Breakdown of metal surface due to excessive
friction between parts. Particles of the softer material
are torn loose and welded to the harder material.
Nick : Local break or notch, usually displacement of
material rather than loss.
Scoring : Tear or break in metal surface from contact
under abnormal pressure.
Step wear : Heavy wear that produces a step that can
be seen or felt between adjacent contact and noncontact
surfaces.
Uneven wear : Condition of localized, unevenly distributed
wear Includes hollows, shiny spots, uneven polish and
other visual indications.