- Motor Grader:
- 14M (S/N: B9J1-UP; R9J1-UP)
- 16M (S/N: B9H1-UP; R9H1-UP)
Description of Change: Improved moldboard assemblies are now used on the machines listed above. The improved moldboard assemblies have new gusset to provide better clearance with the moldboard bracket.
Adaptable To:
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| Illustration 1 | g03681357 |
Moldboard assembly Typical example | |
New 390-9857 Gusset (1) replaces the former 8W-8310 Gusset in 253-4670 Moldboard Assembly, 260-7784 Moldboard Assembly, and 260-7786 Moldboard Assembly .
New 390-9857 Gusset (1) is adaptable to machines and effective in production with machines that are listed in Table 1.
| Sales Model | Adaptable to Machines | Effective in Production with Machines |
| 14M | S/N:B9J1-1450 | S/N:B9J1451-UP |
| S/N:R9J1-1191 | S/N:R9J1192-UP | |
| 16M | S/N:B9H1-866 | S/N:B9H867-UP |
| S/N:R9H1-917 | S/N:R9H918-UP |
Rework Procedure to Modify the Existing 8W-8310 Gusset
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| Illustration 2 | g03681348 |
Follow the below rework procedure to modify the existing 8W-8310 Gusset (A) in moldboard assembly (B) for adaptable machines that are listed in Table 1.
- Mark edge of the existing 8W-8310 Gusset (A) with respect to dimension (C) as shown in Illustration 3 and trim the edge using a grinder.
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| Illustration 3 | g03681340 |
(C) 73 mm (2.87 inch) | |
- Take care not to grind in to the parent material of the moldboard assembly (B) .
- Ensure that the finished edge of the 8W-8310 Gusset (A) is ground smooth with the surrounding material. Also ensure that there is no gouging of the base material or weld. Refer to Illustration 4 for finished modification of 8W-8310 Gusset (A) in the moldboard assembly (B) .
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| Illustration 4 | g03681341 |