Replacing the seals on the distributor head of the slurry spreader

Interval

  • As required

Spare parts

Quantity

Designation

2

Radial shaft sealing rings WAY 72 x 60 x 7

1

Cellular PU ring 95mm x 12,5mm x 10mm

1

Inner ring

1

O-ring 50 x 3

1

Sealing ring A 8 x 14 x 1

12

Shims A 10 x 31 x 0.2

  1. Use a suitable external ascent.
  2. Open and lock the cover.
  3. Loosen the hexagonal nut 1.
  4. Remove the preload washer 2 and the rubber washer 3.
  5. Remove the rotor 4.
  1. Remove the hexagonal nut 1, sealing ring 2, preload washer 3 and the O-ring 4.
  1. Remove the rotor adapter 1.

  2. Remove the cellular PU sealing ring 2, inner ring 3 and the shims 4.
NOTE

Pay attention to the number of shims.

  1. Remove the locking rings 1 and 5, the radial shaft sealing rings 2 and 4, and the spacer ring 3.
  2. Clean the seating surfaces.
NOTE

Seal the radial shaft sealing rings towards the motor.

  1. Insert the new radial shaft sealing rings 4 and 2 with the locking rings and the spacer ring into the housing.
  1. Put the new cell PU sealing ring 2 and the new inner ring 3 on the rotor adapter 1.
  2. Grease the inner ring.
  3. Insert new shims into the housing.
NOTE

Pay attention to the number of shims.

  1. To prevent damage to the radial shaft sealing rings:

    Insert the rotor adapter into the housing with a slight rotational motion.
  1. Install the new O-ring 4, preload washer3, sealing ring 2 and the hexagonal nut 1.

Tightening torque for the hexagonal nut: 20Nm

  1. Place the rotor 4 on the rotor adapter.
  2. Install the rubber washer 3 and the preload washer 2.
  3. Tighten the hexagonal nut 1.
  4. Adjust the preload with the hexagonal nut.