D7E Track-Type Tractor Power Train Idler - Remove and Install Caterpillar


Idler - Remove and Install
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D7E Track-Type Tractor Power Train [KENR5162]
UNDERCARRIAGE
IDLER GP
D7E Track-Type Tractor Power Train Idler - Remove and Install
1.1. Removal Procedure
2.1. Installation Procedure

Removal Procedure

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     1U-9200     Lever Puller Hoist     1    
B     138-7574     Link Bracket     1    
C     316-6042     Puller Gp     1    
6V-3175 Double Acting Cylinder     1    
350-7768 Electric Hydraulic Pump Gp (115 V)     1    
350-7769 Electric Hydraulic Pump Gp (230 V)     1    
D     5P-3931     Anti-Seize Compound     -    
E     1P-0510     Driver Gp     1    

Start By:

  1. Separate the track over the idler.

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

When you are using hydraulic cylinders and puller studs, always ensure that the rated capacity of the puller stud meets or exceeds the rated capacity of the hydraulic cylinder. If the puller stud does not meet or exceed the rated capacity of the hydraulic cylinder, a sudden failure of the puller stud could occur. The sudden failure of the puller stud could result in personal injury or death.

----------------------



    Illustration 1g01883059

  1. Remove guards (1) .



    Illustration 2g01883060

  1. Reposition idler (2) and the yoke assembly. Attach Tooling (A) , Tooling (B) , and a suitable lifting device to idler (2) and the yoke assembly. The combined weight of idler (2) and the yoke assembly is approximately 254 kg (560 lb). Remove idler (2) and the yoke assembly.



    Illustration 3g01883061

  1. Reposition idler (2) and the yoke assembly, as shown.

  1. Attach Tooling (B) and a suitable lifting device to yoke assembly (4) . The weight of yoke assembly (4) is approximately 45 kg (100 lb). Remove bolts (3) and yoke assembly (4) .

  1. Attach a suitable lifting device to idler (2) . The weight of idler (2) is approximately 209 kg (460 lb). Remove idler (2) .



    Illustration 4g03086016



    Illustration 5g03086017

    Note: Mark the orientation of bolts (5) , washers (7) , and plates (6) .

  1. Remove bolts (5) , washers (7) , and plates (6) . Repeat for the remaining plates.



    Illustration 6g03086018

  1. Attach a suitable lifting device to Tooling (C) . The combined weight of Tooling (C) and block (8) is approximately 86 kg (190 lb). Use Tooling (C) to remove blocks (8) .

Installation Procedure

  1. Install idler (2) in the reverse order of removal.



      Illustration 7g03086019



      Illustration 8g03705347

      Note: Support the shaft of the idler during installation of blocks (6) .

      Note: Install blocks (8) until the blocks contact the end of the shaft on the idler.

      Note: Orient blocks (8) so that both sides show the marking "UP" in the upward position.

    1. Apply Tooling (D) to the shafts of idler prior to the installation of blocks (8) . Use Tooling (E) and a suitable press in order to install blocks (8) .



      Illustration 9g03086940

    1. Install top plates (6) to achieve Dimension (Y) . Dimension (Y) is 44.55 mm (1.754 inch). Install bottom plates (6) to achieve Dimension (Z) . Dimension (Z) is 36.70 mm (1.445 inch).



      Illustration 10g01883333

    1. Install guards (1) to Dimension (X) . Dimension (X) is 13.0 mm (0.51 inch).

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