- Motor Grader:
- 14M (S/N: B9J1-UP; R9J1-UP)
ReferenceRefer to Disassembly and Assembly, RENR9704, "Fuel Tank (Left Hand) - Remove and Install"
ReferenceRefer to Disassembly and Assembly, RENR9704, "Articulation Cylinder - Remove and Install"
Description of Change: A procedure to improve the articulation cylinder pin joint on 14M Motor Graders is now being used. Adding new seals, bearings, washers, and anti-seize compound will prevent the articulation bushings from wearing at low machine hours.
Adaptable To: Table 1 shows the parts that are required for this procedure. This change is adaptable to the following machines:
- 14M (S/N: B9J105-1450; R9J100-173)
- 14M (S/N: B9J1451-UP; R9J174-UP)
| Required Parts | |||
| Item | Part Number | Description | Qty |
| 1 | 7K-9203 | Lip Type Seal | 8 |
| 2 | 8D-7685 | Bearing | 2 |
| 3 | 4C-5592 | Anti-Seize Compound | 1 |
| 4 | 8X-5021 | Bearing | 2 |
| 5 | 2K-4160 | Washer | 16 |
| 6 | 6V-8398 | O-Ring Seal | 4 |
| A | 287-4548 | Pin As | 2 (1) |
| J | 3B-5316 | Cotter Pin | 4 (1) |
| K | 170-3093 | Bushing | 4 (1) |
| L | 5P-1076 | Hard Washer | 4 (1) |
| M | 8T-4956 | Bolt | 4 (1) |
| S | 287-4547 | Pin As | 2 (1) |
| ( 1 ) | Optional Parts - may not be required on newer machines. |
Note: Remove the fuel tank and articulation cylinders, if necessary.
ReferenceFor more information on removing the fuel tank, refer to the Disassembly and Assembly, RENR9704, "Fuel Tank (Left Hand) - Remove".
ReferenceFor more information on removing the articulation cylinders, refer to the Disassembly and Assembly, RENR9704, "Articulation Cylinder - Remove".
- As shown in Illustration 1, visually inspect the articulation cylinder pin assemblies (A) and (S) at area (B) and (C). Replace articulation cylinder pin assemblies as needed.
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| Illustration 1 | g02350619 |
View of area (B) and (C) | |
- Referring to Illustration 2, replace lip type seals (1) and bearing (2) in area (B) as shown above.
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| Illustration 2 | g02350196 |
View of lip type seals (1) and bearing (2) to be replaced | |
- Replace the right and left side with like parts.
- Referring to Illustration 3, apply anti-seize compound (3) to the inner portion of the machined surface prior to reassembly.
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| Illustration 3 | g02350197 |
Location for anti-seize compound (3) | |
- Referring to Illustrations 5 and 6, replace bearing (4) only on the head end of area (D) and (E) of the articulation cylinder.
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| Illustration 4 | g02350198 |
View of cylinder head end (D) and (E) . | |
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| Illustration 5 | g02350199 |
View of area (D) located on the top of the cylinder head end | |
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| Illustration 6 | g02350200 |
View of area (E) located on the bottom of the cylinder head end | |
- Replace lip type seals (1) in area (D) and (E) as shown above. Two seals are needed for each cylinder.
ReferenceRefer to Illustration 2 for orientation of the seals.
- Replace the right and left side with like parts.
Washer Placement Procedure
Note: This washer placement procedure is meant to be read in entirety, before installing any shims. The goal of this procedure is to fit as many shims into the joint as possible.
Consider all of the steps in this procedure, concurrently, as the washers are added to the articulation cylinder area.
Focus on one clevis at a time. Each end of the cylinder should be shimmed individually until space is depleted for the washers. Complete shimming before moving on to the other end of the articulation cylinder.
Shims must be always at four locations. If needed, install shims until void is filled. These locations are shown in Illustrations 7 and 12.
Installation of the washers must start on the rod end of the articulation cylinder first.
Installation of Washers for the Rod End of the Articulation Cylinder
- The rod end of the articulation cylinder is shown at location (G) in Illustrations 7 and 8. Installation of washers (5) should start on the bottom of the rod end (H) of the articulation cylinder.
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| Illustration 7 | g02349908 |
View of the rod end (G) of the articulation cylinder | |
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| Illustration 8 | g02349915 |
View of washers (5) | |
- Install washer (5) at the first location (H) at the bottom of the rod end of the articulation cylinder.
- Install washer (5) at the second location (F) on the top of the rod end of the articulation cylinder.
- If an odd number of washers in the joint is necessary, place the extra washer at the bottom area of the clevis joint.
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| Illustration 9 | g02349920 |
View of odd number shimming at the bottom of the clevis joint This view shows two washers (5) on the top and three washers (5) on bottom. | |
- Referring to Illustration 9, install washer (5) to location (H) first. Next, install washer (5) to location (F). Alternate from bottom (H) to top (F) until the joint cannot accept anymore washers (5) .
- Referring to Illustrations 10 and 11, after installation of the washers is completed, insert pin assembly (S). Reuse cotter pin (J), bushing (K), hard washer (L), and bolt (M) in order to secure the articulation cylinder to the frame.
Note: This step must be completed before moving on to the head end of the articulation cylinder.
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| Illustration 10 | g02349917 |
View of pin assembly (S) and hardware installed | |
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| Illustration 11 | g02350077 |
View of bolt, bushing, and washer installed | |
Installation of Washers for the Head End of the Articulation Cylinder
Note: Installation of the washers for the head end must be completed after the installation of washers on the rod end of the articulation cylinder.
- The head end of the articulation cylinder is shown at location (N) in Illustration 12. Installation of washers (5) should start on the bottom of the head end (R) of the articulation cylinder.
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| Illustration 12 | g02349921 |
View of the head end (N) of the articulation cylinder. | |
- Install washer (5) at the third location (R) on the bottom of the head end of the articulation cylinder.
- Install washer (5) at the fourth location (P) on the top of the head end of the articulation cylinder.
- Use washers (5) to verify the amount that will be needed to shim the articulation cylinder correctly.
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| Illustration 13 | g02349923 |
View of washer pack used to verify how many washers are needed | |
- If an odd number of washers in the joint is necessary, place the extra washer at the bottom area of the clevis joint.
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| Illustration 14 | g02349924 |
View of odd number shimming at the bottom of the clevis joint This view shows two washers (5) on the top and three washers (5) on bottom. | |
- Referring to Illustration 14, install washer (5) to location (R) first. Next, install washer (5) to location (P). Alternate from bottom (R) to top (P) until the joint cannot accept anymore washers (5) .
- Referring to Illustrations 15 and 16, after installation of the washers is completed, insert pin assembly (A). Reuse cotter pin (J), bushing (K), hard washer (L), and bolt (M) in order to secure the articulation cylinder to the frame.
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| Illustration 15 | g02350119 |
View of pin assembly (A) and hardware installed | |
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| Illustration 16 | g02350120 |
View bolt, bushing, and washer installed | |
- If the articulation cylinders were removed at the beginning of this rework procedure, installation of four new O-Ring seals (6) is required. After installation of the O-ring seals, reinstall the articulation cylinders to the machine.
ReferenceFor more information on installing the articulation cylinders, refer to the Disassembly and Assembly, RENR9704, "Articulation Cylinder - Install".
- Reinstall the fuel tank if the tank was removed at the beginning of this rework procedure.
ReferenceFor more information on installing the fuel tank, refer to the Disassembly and Assembly, RENR9704, "Fuel Tank (Left Hand) - Install".