- Track-Type Tractor:
- D6N LGP (S/N: PBA1-UP)
- D6N XL (S/N: PER1-UP)
Description of Change: The routing of the steering lines group and the air lines group are now improved.
The new reinforcement hose assemblies are re-routed and secured with a clip, strap, spacer, and bolt to get more clearance with air lines group.
The re-routing of hose assemblies prevents the hose assemblies from contacting the air lines group and improves the service life of the air lines group.
The new tube designed with more clearance and supported with a bracket, clip, and bolt. The re-routing of the hose assemblies prevents the tube and air-to-air aftercooler ATTAC hose from contacting the AC pulley.
Adaptable To: The 348-7223 Steering Lines Gp is a part of 328-3752 Hydraulic Ar .
The 347-4521 Air Lines Gp is a part of 328-3751 Engine Installation Ar .
The 348-7223 Steering Lines Gp and 347-4521 Air Lines Gp are adaptable to the machines PBA204-822 and PER202-390 and effective in production with the machines PBA823-UP and PER391-UP.
| Parts Required | |||
| Item | Qty | Part Number | Description |
| 348-7223 Steering Lines Gp | |||
| 1 | 1 | 430-5238 | Hose As |
| 2 | 1 | 430-5239 | Hose As |
| 3 | 1 | 177-2215 | Strap |
| 4 | 1 | 8G-6557 | Spacer |
| 5 | 1 | 6D-1641 | Clip |
| 6 | 1 | 8T-6466 | Bolt |
| 347-4521 Air Lines Gp | |||
| 7 | 1 | 426-1505 | Bracket As |
| 8 | 2 | 7X-2553 | Bolt |
| 9 | 1 | 426-1504 | Tube |
| 10 | 1 | 6V-1581 | Clip |
| 11 | 1 | 6V-1582 | Clip |
| 12 | 1 | 8T-4196 | Bolt |
- Remove bolt (A) and clip (B) along with the hose assembly (C) and hose assembly (D) and discard the parts.
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| Illustration 1 | g03359877 |
- Route the new hose assembly (1) and hose assembly (2) as shown in Illustration 2 and Illustration 3.
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| Illustration 2 | g03359878 |
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| Illustration 3 | g03359905 |
- Install the Strap (3) .
- Install spacer (4), clip (5) and bolt (6) to the hose assemblies.
- Reorient the 357-4443 Elbow As (E) as shown in Illustration 4.
 | |
| Illustration 4 | g03361477 |
- Remove two clamps (F) along with the tube (G) and discard the parts.
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| Illustration 5 | g03359879 |
- Assemble bracket (7) and bolt (8), and then install the new tube (9) .
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| Illustration 6 | g03359880 |
- Install the clip (10) and clip (11), and install the bolt (12) to the tube.