New Piston and Rod Group that Improves Cold Weather Operation {1225}
- Industrial Engines:
- 3406E (S/N: 6BR1-UP)
- Generator Set Engines:
- 3406E (S/N: 9NN1-UP; 1MZ1-UP)
- C-15 (S/N: BEM1-UP)
Description of Change: A new piston and rod group is used in 3406E and C-15 engines. The new piston and rod group has a redesigned piston crown. The redesigned piston crown improves the cold weather operation of the piston.
Adaptable To: The new 176-5745 Piston and Rod Gp replaces the former 136-1562 Piston and Rod Gp. The new piston and rod group is effective with engine serial numbers (S/N: 6BR02455-UP; 9NN00445-UP; BEM01457-UP; 1MZ01088-UP). The new piston and rod group is adaptable to the previous engine serial numbers.
The new 176-5745 Piston and Rod Gp is not available for parts service. Order the individual components for parts service. Refer to Illustration 1 and Table 1 for the required parts.
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Illustration 1 | g00986075 |
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Parts that are required for the new 176-5745 Piston and Rod Gp     | |||
Item     | Qty     | Part Number     | Description     |
1     | 1     | 134-3761     | Piston Ring     |
2     | 1     | 176-5749     | Piston Ring     |
3     | 1     | 189-9771     | Piston Ring     |
4     | 1     | 9Y-6054 (1)     | Connecting Rod     |
5     | 1     | 221-2305     | Piston Crown Assembly     |
6     | 1     | 132-6663     | Piston Skirt     |
7     | 1     | 9Y-7735     | Connecting Rod Bearing     |
8     | 1     | 168-7246     | Piston Pin     |
9     | 2     | 7E-1177     | Pin Retainer     |
10     | 1     | 197-9336     | Oil Jet Tube     |
11     | 1     | 151-5925     | Bolt     |
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( 1 ) | The 9Y-6054 Connecting Rod includes the piston pin bearing, connecting rod, connecting rod cap, pins, and bolts. |
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