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MAINSHAFT And Gear: Assembly

WARNING: This page is about a different variant/trim than selected.
  1. Apply gear oil to 6th needle bearing and 6th bulk ring.
  2. Install 6th needle bearing, 6th main gear, and 6th bulk ring to mainshaft.
    NOTE: 5th and 6th bulk rings have three spaces that four gear teeth are missing as shown in the figure.
    Fig 1: Locating 5th And 6th Bulk Rings
    G05733897Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Install 5th-6th synchronizer hub assembly with the following procedure.
    1. Install 5th-6th coupling sleeve and 5th-6th shifting inserts to 5th-6th synchronizer hub.
      CAUTION:
      • Be careful with the orientation of 5th-6th coupling sleeve.
        Fig 2: Locating 5th-6th Coupling Sleeve
        G06052196Courtesy of NISSAN MOTOR CO., U.S.A.
      • Never reuse 5th-6th coupling sleeve and 5th-6th synchronizer hub.
      • Replace 5th-6th coupling sleeve and 5th-6th synchronizer hub as a set.
      • Be careful with the orientation of 5th-6th synchronizer hub.
        Fig 3: Identifying Orientation Of 5th-6th Synchronizer Hub
        G06052197Courtesy of NISSAN MOTOR CO., U.S.A.
      • Be careful with the shape of 5th-6th shifting insert.
        Fig 4: Identifying Ditch Area
        G04875707Courtesy of NISSAN MOTOR CO., U.S.A.
    2. Install 5th-6th spread springs to 5th-6th shifting inserts.
      CAUTION: Never install 5th-6th spread spring hook onto the same 5th-6th shifting insert.
      Fig 5: Identifying Reverse Spread Spring Hook
      G04875706Courtesy of NISSAN MOTOR CO., U.S.A.
    3. Install 5th-6th synchronizer hub assembly to mainshaft with a pressing machine using the inserter (A) [SST: ST30911000 (-)].
      Fig 6: Installing 5th-6th Synchronizer Hub Assembly To Mainshaft
      G05973246Courtesy of NISSAN MOTOR CO., U.S.A.
      CAUTION: Be careful with the orientation of 5th-6th coupling sleeve.
      Fig 7: Locating Orientation Of 5th-6th Coupling Sleeve
      G06052201Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Select and install snap ring (1) to mainshaft so that the end play "L" of mainshaft is adjusted to the standard value.
    Fig 8: Identifying Snap Ring
    G06052202Courtesy of NISSAN MOTOR CO., U.S.A.

    End play "L" :  Refer to "END PLAY ".

  5. Apply gear oil to 2nd needle bearing, 2nd inner bulk ring, 2nd synchronizer cone, and 2nd outer bulk ring.
    CAUTION: Replace 2nd inner bulk ring, 2nd synchronizer cone, and 2nd outer bulk ring as a set.
  6. Install 2nd needle bearing, 2nd main gear, 2nd inner bulk ring, 2nd synchronizer cone, and 2nd outer bulk ring to mainshaft.
    NOTE: 1st outer bulk ring has three spaces that four gear teeth are missing and 2nd outer bulk ring has three spaces that two gear teeth are missing.
    Fig 9: Identifying 1st And 2nd Outer Bulk Ring
    G06052203Courtesy of NISSAN MOTOR CO., U.S.A.
  7. Install 1st-2nd synchronizer hub assembly with the following procedure.
    1. Install 1st-2nd coupling sleeve and 1st-2nd shifting inserts to 1st-2nd synchronizer hub.
      CAUTION:
      • Be careful with the orientation of 1st-2nd coupling sleeve.
        Fig 10: Locating Orientation Of 1st-2nd Coupling Sleeve
        G06052204Courtesy of NISSAN MOTOR CO., U.S.A.
      • Never reuse 1st-2nd coupling sleeve and 1st-2nd synchronizer hub.
      • Replace 1st-2nd coupling sleeve and 1st-2nd synchronizer hub as a set.
      • Be careful with the orientation of 1st-2nd synchronizer hub.
        Fig 11: Identifying Orientation Of 1st-2nd Synchronizer Hub
        G06052205Courtesy of NISSAN MOTOR CO., U.S.A.
      • Be careful with the shape of 1st-2nd shifting insert.
        Fig 12: Identifying Ditch Area
        G04875707Courtesy of NISSAN MOTOR CO., U.S.A.
    2. Install 1st-2nd spread springs to 1st-2nd shifting inserts.
      CAUTION: Never install 1st-2nd spread spring hook onto the same 1st-2nd shifting insert.
      Fig 13: Identifying Reverse Spread Spring Hook
      G04875706Courtesy of NISSAN MOTOR CO., U.S.A.
    3. Install 1st-2nd synchronizer hub assembly (1) to mainshaft with a pressing machine using the support ring (A) [SST: ST27861000 (-)].
      Fig 14: Installing 1st-2nd Synchronizer Hub Assembly To Mainshaft
      G06052208Courtesy of NISSAN MOTOR CO., U.S.A.
      CAUTION: Be careful with the orientation of 1st-2nd coupling sleeve.
      Fig 15: Identifying Orientation Of 1st-2nd Coupling Sleeve
      G06052209Courtesy of NISSAN MOTOR CO., U.S.A.
  8. Install 1st gear bushing (1) to mainshaft with a pressing machine using the support ring (A) [SST: ST27861000 (-)].
  9. Apply gear oil to 1st needle bearing, 1st outer bulk ring, 1st synchronizer cone, and 1st inner bulk ring.
    CAUTION: Replace 1st outer bulk ring, 1st synchronizer cone, and 1st inner bulk ring as a set.
    Fig 16: Installing 1st Gear Bushing To Mainshaft
    G05973256Courtesy of NISSAN MOTOR CO., U.S.A.
  10. Install 1st outer bulk ring, 1st synchronizer cone, 1st inner bulk ring, 1st needle bearing, and 1st main gear to mainshaft.
    NOTE: 1st outer bulk ring has three spaces that four gear teeth are missing and 2nd outer bulk ring has three spaces that two gear teeth are missing.
    Fig 17: Identifying 1st And 2nd Outer Bulk Ring
    G06052211Courtesy of NISSAN MOTOR CO., U.S.A.
  11. Install 3rd main gear (1) to mainshaft with a pressing machine using the inserter (A) [SST: ST30022000 (-)].
    Fig 18: Installing 3rd Main Gear To Mainshaft
    G06052212Courtesy of NISSAN MOTOR CO., U.S.A.
    CAUTION: Be careful with the orientation of 3rd main gear.
    Fig 19: Identifying Orientation Of 3rd Main Gear
    G06052213Courtesy of NISSAN MOTOR CO., U.S.A.
  12. Install 3rd-4th main spacer (1) to mainshaft.
  13. Install 4th main gear (2) to mainshaft with a pressing machine using the inserter (A) [SST: ST30022000 (-)].
    Fig 20: Installing 4th Main Gear To Mainshaft
    G05973260Courtesy of NISSAN MOTOR CO., U.S.A.
    CAUTION: Be careful with the orientation of 4th main gear.
    Fig 21: Identifying Orientation Of 4th Main Gear
    G06052215Courtesy of NISSAN MOTOR CO., U.S.A.
  14. Install mainshaft bearing (1) to mainshaft with a pressing machine using the inserter (A) [SST: ST30911000 (-)].
    Fig 22: Installing Mainshaft Bearing To Mainshaft
    G05973262Courtesy of NISSAN MOTOR CO., U.S.A.
    CAUTION: Be careful with the orientation of mainshaft bearing.
    Fig 23: Locating Orientation Of Mainshaft Bearing
    G06052217Courtesy of NISSAN MOTOR CO., U.S.A.
  15. Install reverse main gear bushing to mainshaft with a pressing machine using the inserter [SST: ST30911000 (-)].
    Fig 24: Installing Reverse Main Gear Bushing To Mainshaft
    G04875722Courtesy of NISSAN MOTOR CO., U.S.A.