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Disassembly and Assembly 784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train, страница 4

  1. Use Tooling (F) (not shown) in order to remove roller bearing cone (40) (not shown) from differential housing (58) .
  1. Remove eight bolts (41) and the washers from differential housing (58) .

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Illustration 32

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  1. Use a suitable hoist in order to remove differential housing (58). The weight of differential housing (58) is 46 kg (101 lb).
  1. Place differential housing (58) on a table. Place the small side on differential housing (58) downward.

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Illustration 33

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  1. Remove thrust washer (43) from differential housing (58). Remove two dowels (77) from differential housing (58) .

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Illustration 34

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  1. Remove gear (44) from the assembly, as shown.

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Illustration 35

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  1. Use a suitable hoist in order to remove pinion assembly and spider (45) as a complete unit from the assembly. The weight of pinion assembly and spider (45) as a complete unit is 50 kg (111 lb).

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Illustration 36

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  1. Remove second gear (44) from differential housing (42), as shown.

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Illustration 37

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Illustration 38

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  1. Remove thrust washer (43) from differential housing (42), as shown. Remove two dowels (76) from differential housing (42) .

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Illustration 39

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  1. Remove four pinion assemblies (47) from spider (46) .
  1. Place pinion assembly (47) on Tooling (C) (not shown).

Note: Install retainer (48) on Tooling (C) (not shown) so that the notch in retainer (48) aligns with the dowel on Tooling (C) (not shown).

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Illustration 40

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  1. Bend two tabs on nut lock (49) downward. Remove nut (50). Remove nut lock (49) .

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Illustration 41

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  1. Remove roller bearing cone (51) from retainer (48). Remove pinion (52) from retainer (48) .
  1. Use Tooling (D) (not shown) and a suitable press in order to remove roller bearing cup (57) (not shown) from pinion (52). Use Tooling (D) (not shown) and a suitable press in order to remove roller bearing cup (56) (not shown) from pinion (52) .

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Illustration 42

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  1. Remove spacer (53) and roller bearing cone (54) from retainer (48) .
  1. Repeat Step 56 through Step 60 until all four pinion assemblies are disassembled.

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Illustration 43

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Illustration 44

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  1. Rotate the fixture that is holding differential housing (42) and ring gear (18) .
  1. Remove the 16 bolts (55) (not shown), the nuts, and the washers from differential housing (42) .
  1. Use a suitable hoist in order to remove differential housing (42) from ring gear (18). The weight of differential housing (42) is 53 kg (117 lb).

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