- Off-Highway Truck:
- 773F (S/N: EED1-UP)
- 775F (S/N: DLS1-UP)
Description of Change: An improved nonmetallic guard assembly is now used in the guard group for the fan drive belt. The service life of the new guard assembly will increase as the guard assembly provides better resistance to shocks and vibrations.
Adaptable To: The new 320-2411 Belt Guard Gp is a direct replacement for the former 274-7942 Guard As and the 274-7943 Guard As in the 274-7947 Fan Guard. The 274-7947 Fan Guard is a part of 265-8058 Fan Drive Gp and 250-7573 Fan Drive Gp.
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| Illustration 1 | g01740333 |
274-7947 Fan Guard with the former 274-7942 Guard As and 274-7943 Guard As | |
| Item | Qty | Part Number | Description |
| 1 | 1 | 275-1152 | Bracket |
| 2 | 1 | 274-7943 | Guard As |
| 3 | 1 | 275-1153 | Bracket |
| 4 | 4 | 8T-4908 | Bolt |
| 5 | 8 | 5C-7261 | Nut |
| 6 | 16 | 5P-4116 | Hard Washer |
| 7 | 4 | 8T-7547 | Bolt |
| 8 | 1 | 276-7517 | Bracket As |
| 9 | 1 | 274-7942 | Guard As |
 | |
| Illustration 2 | g01740335 |
| Item | Qty | Part Number | Description |
| 10 | 1 | 334-3833 | Bracket As |
| 11 | 1 | 334-3834 | Bracket As |
| 12 | 4 | 7X-0818 | Bolt |
| 13 | 4 | 7X-0613 | Hard Washer |
| 14 | 4 | 245-1094 | Retaining Nut |
| 15 | 1 | 334-3749 | Bracket As |
| 16 | 1 | 320-2411 | Belt Guard Gp |
Use the parts that are listed in table 2 to update the 274-7947 Fan Guard of the machines EED1-999 and DLS1-1021.
The new 274-7947 Fan Guard is effective in production with the machines EED1000-UP and DLS1022-UP.