Disassembly and Assembly 784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train. Transmission Planetary and Transfer Gears - Remove, страница 2


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Illustration 2

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  1. Position a suitable container under planetary transmission and transfer gear (2) in order to contain hydraulic oil for storage or disposal.
  1. Remove five bolts (3) and the hard washers in order to remove guard assembly (1) from the frame assembly.

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Illustration 3

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Illustration 4

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  1. Attach a suitable lifting sling and a hoist to drive shaft (5) .

Note: Attach the lifting sling to the center point of drive shaft (5). This will help to balance drive shaft (5) .

  1. Remove four bolts (4) and the hard washers in order to separate drive shaft (5) from the yoke of planetary transmission and transfer gear (2). Use a suitable pry bar in order to compress drive shaft (5) .

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Illustration 5

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  1. Disconnect hose assembly (6) .
  1. Disconnect hose assembly (7) .

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Illustration 6

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  1. Disconnect hose assembly (8) .
  1. Disconnect hose assembly (12). Remove two clips (9) .
  1. Remove lockwire (10) from the electrical connection of wire harness (11) .
  1. Use Tool (A) (not shown) in order to disconnect wire harness (11) from the transmission position sensor at the electrical connection.

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Illustration 7

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Illustration 8

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  1. Disconnect wire harness (11) at the three electrical connections.
  1. Remove bolt (13) and clip (9). Position wire harness (11) out of the way.

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Illustration 9

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  1. Remove two bolts (15), the washers, and the two grommets in order to remove guard (14) from the speed sensor housing.

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Illustration 10

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  1. Remove lockwire (18) from the electrical connection of wire harness (17) .
  1. Remove bolt (16), the washer, and the clip from the transfer case assembly.
  1. Use Tool (A) (not shown) in order to disconnect wire harness (17) from the transmission speed sensor at the electrical connection.

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Illustration 11

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  1. Disconnect hose assembly (19) from the magnetic screen housing.

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Illustration 12

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  1. Disconnect hose assembly (20) .
  1. Disconnect hose assembly (21) .

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Illustration 13

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  1. Install Tool (B) to planetary transmission and transfer gear (2). Attach Tool (B) to a hoist in order to support planetary transmission and transfer gear (2) .
  1. Remove 24 nuts (22) and hard washers in order to remove planetary transmission and transfer gear (2) and the O-ring seal from the differential carrier assembly. The weight of planetary transmission and transfer gear (2) is 2313 kg (5100 lb).

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