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9.3.11. Dismantling and assembly of naves of forward wheels

Design of stupichny assembly of a forward wheel

1 — the Nave
2 — the Polyurethane sealing ring

3 — the Conical roller bearing

 PERFORMANCE ORDER

  1. Remove a nave (1) (see the Section Removal and installation of naves of forward wheels).
  2. Remove the conical roller bearing (3) from a nave pin.
  3. Remove a polyurethane sealing ring (2), - are subject to replacement without fail.
  4. Installation is made upside-down, do not forget to grease the NEW polyurethane ring (2) and the bearing (3) before installation. In a cavity in a hinged casing between conical roller bearings also fill about 80 grams of universal lubricant.