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Disassembly and Assembly 784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train. Remove ten nuts, страница 5

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Illustration 42

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  1. Install Tooling (F) to hub (75). Attach Tooling (F) to a suitable lifting device and a hoist.
  1. Use Tooling (F) and the hoist to remove hub (75) and sun gear (76) from the planetary carrier as a unit. The weight of hub (75) and sun gear (76) as a unit is 23 kg (50 lb).

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Illustration 43

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  1. Remove two spring pins (77) from hub (75) .

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Illustration 44

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  1. Position sun gear (76) and hub (75), as shown.
  1. Use eight 1/8 inch diameter cotter pins to compress retaining ring (78) (not shown) into hub (75) .
  1. Separate hub (75) from sun gear (76) .
  1. Remove the retaining ring (78) from hub (75) .

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Illustration 45

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  1. Remove spacer (79) from planetary carrier (80) .

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Illustration 46

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  1. Install Tooling (F) to planetary carrier (80). Attach Tooling (F) to a suitable lifting device and a hoist.
  1. Use Tooling (F) and the hoist to remove planetary carrier (80) from the ring gear. The weight of planetary carrier (80) is 102 kg (225 lb).

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Illustration 47

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Illustration 48

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  1. Use a suitable drift to remove spring pin (81) from planetary shaft assembly (82) .
  1. Remove planetary shaft assembly (82), two thrust discs (83), two bearings (84), and gear (85) from planetary carrier (80) .
  1. Repeat Steps 67 and 68 for the remaining three planetary gears.

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Illustration 49

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  1. Use Tool (J) to remove retaining ring (86) from the shaft assembly .
  1. Remove sun gear (87) from the shaft assembly.

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Illustration 50

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  1. Remove eight bolts (88) and four locking plates (89) that hold ring gear (90) in position.

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Illustration 51

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  1. Install Tooling (G) to clutch housing (91). Attach Tooling (G) to a suitable lifting device and a hoist.

------ 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. Use Tooling (G) and the hoist in order to remove clutch housing (91) and clutch piston (92) as a unit. The weight of clutch housing (91) and clutch piston (92) as a unit is 120 kg (265 lb).

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Illustration 52

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  1. Use a suitable lifting device (not shown) to remove ring gear (90) from clutch housing (91). The weight of ring gear (90) is 41 kg (90 lb).
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