Disassembly and Assembly 784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train. Remove ten nuts, страница 12


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Illustration 128

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  1. Remove five friction discs (203) and four clutch plates (204) from the clutch housing.

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Illustration 129

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  1. Install Tooling (G) to clutch housing (205). Attach Tooling (G) to a suitable lifting device and a hoist.
  1. Use Tooling (G) to remove clutch housing (205), the clutch piston and the cage as a unit. The weight of clutch housing (205), the clutch piston and the cage as a unit is 73 kg (160 lb).

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Illustration 130

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------ WARNING! ------

Personal injury can result from being struck by parts propelled by a released spring force.

Make sure to wear all necessary protective equipment.

Follow the recommended procedure and use all recommended tooling to release the spring force.

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  1. Loosen ten bolts (206) evenly. Loosen each of the bolts by one revolution before proceeding to the next bolt until the spring pressure has been released. Remove ten bolts (206) and the washers.
  1. Remove balance piston (207) from clutch housing (206) .

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Illustration 131

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  1. Remove seal ring (208) from balance piston (207) .

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Illustration 132

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  1. Remove 18 springs (209) from clutch piston (210) .

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Illustration 133

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  1. Use two screwdrivers (not shown) to remove clutch piston (210) from clutch housing (205) .

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Illustration 134

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  1. Remove seal ring (211) from clutch piston (210) .

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Illustration 135

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  1. Position clutch housing (205) on two wood blocks, as shown.

Note: Put identification marks on the position of the cage for installation purposes.

  1. Use a suitable drift to remove cage (212) (not shown) from clutch housing (205). The weight of clutch housing (205) is 36 kg (79 lb).

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Illustration 136

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  1. Remove metal seal ring (213) and six O-ring seals (214) .
  1. Remove roller bearing race (215) from cage (212) .

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Illustration 137

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  1. Remove seal ring (216) and race bearing (217) from clutch housing (205) .

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Illustration 138

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  1. Remove two bolts (218) and the washers in order to remove tube assembly (219) from the transfer gear assembly.

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Illustration 139

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  1. Remove two O-ring seals (220) from tube assembly (219) .

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