D9T Track-Type Tractor Hydraulic System – Steering Motor – Assemble

Assembly Procedure

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     1P-1861     Retaining Ring Pliers     1    
B     8T-0266     Bolt     1    
C     5P-4808     Crossblock     2    
5F-7369 Sliding Plate     2    
3H-0465 Threaded Adapter     4    
1B-4207 Leg     2    
4K-0367 Full Nut     1    
1U-9895 Crossblock     1    
5/8 X 11 X 16 Rod     1    
D     1P-1860     Retaining Ring Pliers     1    
E     8H-0663     Bearing Puller     1    
F     6V-2012     Depth Micrometer     1    
G     9S-3263     Thread Lock Compound     1    

Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.




    Illustration 1 g00991485

  1. Use a suitable press in order to install bearing (25) and bearing (26) .



    Illustration 2 g00900318

  1. Use Tooling (D) in order to install retaining ring (24) .



    Illustration 3 g00991476

  1. Install seal (12) into cover (11) . Install shims (14) , cover (11) , and retaining ring (10) onto rotating assembly (14A) .



    Illustration 4 g01880488

  1. Use a vernier caliper to measure the bearing assembly. Dimension (X) is 111.3 ± 0.100 mm (4.382 ± 0.004 inch). This measurement determines the correct angle of the rotating group.
  1. Add shims or subtract shims (14) , if necessary.
  1. Once the correct dimension is achieved, remove retaining ring (10) , cover (11) , and shims (14) from rotating assembly (14A) .



    Illustration 5 g00900319

  1. Install disc (22) and center pin (23) .



    Illustration 6 g00900321

  1. Install new piston rings (21) . Raise the temperature of the piston rings to 80 °C (176 °F). Lower the temperature of piston (20) .

    Note: The piston rings are marked. The marking must be visible from the piston end.




    Illustration 7 g00900323

  1. Install pistons (20) into retainer plate (19) .



    Illustration 8 g00900324

    Note: Screws (18) must be replaced with new screws if the screws are pre-coated with thread lock.

  1. Install screws (18) into retainer plate (19) .



    Illustration 9 g00901525


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

    Improper assembly of parts that are spring loaded can cause bodily injury.

    To prevent possible injury, follow the established assembly procedure and wear protective equipment.

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


  1. Install spring (16) to barrel (15) . Do not install shim (17) .



    Illustration 10 g01073537

  1. Install barrel (15) onto the pistons.
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