- Engine:
- G3516C (S/N: F6D1-UP; F6E1-UP; F6F1-UP)
- Power Module:
- PMG3516 (S/N: JKK1-UP)
- G3516E (S/N: F6G1-UP)
- G3520C (S/N: GZA1-UP; GZJ1-UP; GZK1-UP; GZL1-UP)
Description of Change: The new air inlet elbow is simplified and integrated with the fuel lines adapter. The number of joints in the system have been reduced and redesigned to improve sealing capability. The air lines and fuel lines have been updated as well to make the lines compatible with the new elbow.
Adaptable To: The new air inlet elbow, air inlet lines, and fuel lines replace the former air inlet elbows, air inlet lines, and fuel lines. The new air inlet elbow, air inlet lines, and fuel lines adaptable back to first production on the serial numbers listed above. The new and former parts are listed in Table 1.
Note: The new parts are not compatible with the former parts. All parts must be upgraded at the same time.
Note: The former parts are still serviceable.
| New Parts | Description | Former Parts |
|---|---|---|
| 387-5625 | Air Inlet Elbow Gp | 206-4177 235-4196 293-7379 |
| 387-7981 | Fuel Lines Gp (1) | 235-3951 |
| 387-7982 | Air Lines Gp | 220-2967 293-7636 |
| 387-7983 | Fuel Lines Gp | 206-4183 293-7530 |
| ( 1 ) | This fuel lines group is for landfill use only. |
 | |
| Illustration 1 | g03873163 |
206-4177 Air Inlet Elbow Gp (Old Elbow), 235-4196 Air Inlet Elbow Gp (Old Elbow), or 293-7379 Air Inlet Elbow Gp (Old Elbow) | |
 | |
| Illustration 2 | g03873164 |
387-5625 Air Inlet Elbow Gp (New Elbow) | |
This change is effective for the serial numbers listed in Table 2.
| Effective Serial Numbers |
|---|
| S/N:F6D00121-UP |
| S/N:F6E00103-UP |
| S/N:F6F00124-UP |
| S/N:F6G00138-UP |
| S/N:GZJ00701-UP |
| S/N:GZL00149-UP |
| S/N:GZA00313-UP |