Improved Ejector Cylinders Now Used on AD55, AD55B, and AD60 Underground Articulated Ejector Trucks {5305}
- Underground Articulated Truck:
- AD55 (S/N: DNW1-UP)
- AD55B (S/N: JNW1-UP)
- AD60 (S/N: KNW1-UP)
Description of Change: Improved ejector cylinders are now used on the above Underground Articulated Ejector Trucks. The improved ejector cylinders provide greater service life over the former ejector cylinders.
Adaptable To: The improved ejector cylinders are effective in production with, and adaptable to the following machines.
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| Machine | Effective With | Adaptable To |
| AD55 | S/N:DNW636-UP | S/N:DNW1-635 |
| AD55B | S/N:JNW275-UP | S/N:JNW1-274 |
| AD60 | S/N:KNW126-UP | S/N:KNW1-125 |
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| New Part Number | Description | Former Part Number |
| 469-7647 | Ejector Cylinder Gp | 189-3826 |
Procedure
ReferenceCustom Service Information, REHS5289, "Ejector Supplement for Certain AD55B Underground Articulated Truck"
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| Part Required | ||
| Qty | Part Number | Description |
| 2 | 276-5058 | Pin As |
| 2 | 469-7647 | Ejector Cylinder Gp |
| 2 | 5M-6214 | Pipe Plug |
| 16 | 8T-4121 | Hard Washer |
| 2 | 8T-4123 | Washer |
| 16 | 8T-4186 | Bolt |
| 2 | 8T-5460 | Bolt |
- Remove and discard Item (1) through Item (6). Refer to Custom Service Information, "Ejector Cylinder - Remove", Illustration 1, and Illustration 2.
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| Illustration 1 | g03749180 |
(1) Bolt (2) Washer | |
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| Illustration 2 | g03749178 |
(3) Bolt (4) Washer (5) Cylinder assembly (6) Pin assembly | |
- Install Item (7) through Item (13). Refer to Custom Service Information, "Ejector Cylinder - Install", Illustration 3, and Illustration 4.
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| Illustration 3 | g03749172 |
(7) 469-7647 Ejector Cylinder Gp (8) 5M-6214 Pipe Plug (9) 8T-5460 Bolt (10) 8T-4123 Washer (11) 276-5058 Pin As | |
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 | |
| Illustration 4 | g03749182 |
(12) 8T-4186 Bolt (13) 8T-4121 Hard Washer | |
Caterpillar Information System:
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