Reference For Springs For The Pneumatic Speed Control Setting On Woodward 3161 Governors {1915}
- Engines:
- 3508 (S/N: 23Z; 68Z; 69Z; 70Z; 95Y; 96Y; 97Y)
- 3512 (S/N: 24Z; 49Y; 50Y; 51Y; 65Z; 66Z; 67Z)
- 3516 (S/N: 25Z; 27Z; 28Z; 29Z; 4MJ; 5MJ; 71Z; 72Z; 73Z)
- G3508 (S/N: 2JF; 9TG)
- G3512 (S/N: 4KC; 7NJ)
- G3516 (S/N: 3RC; 4EK)
- 3606 (S/N: 8RB)
- 3608 (S/N: 6MC)
- 3612 (S/N: 9RC)
- 3616 (S/N: 1PD)
There are governor control groups on the cover of Woodward 3161 Governors that are used for pneumatic speed control. Except for the speed springs (6), all of the governor control groups have the same serviceable parts. The serviceable parts of the governor control groups are identified in the illustration. The speed springs (6) have different spring rates that provide different speed ranges.
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Illustration 1 | g00804038 |
This illustration identifies the serviceable parts of the governor control groups. (1) 2W-0221 O-Ring Seal (2) 6V-5048 O-Ring Seal (3) 7W-0948 Bellows Assembly (4) 5P-5600 O-Ring Seal (5) 2W-0225 O-Ring Seal (6) Speed Spring (7) 2W-0125 Gasket |
The table provides a reference about the information that follows:
- Engine family
- Part Number of the Governor
- Part Number of the Governor Control Group
- Part Number of the Speed Spring (6)
- Spring Rate
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Reference for Speed Springs for the Pneumatic Speed Control Setting     | ||||
---|---|---|---|---|
Engine     | Part Number of Governor     | Part Number of Governor Control Group     | Part Number of Speed Spring (6)     | Spring Rate     |
3500     | 124-3174, 124-3175     |
9Y-9857     | 9Y-9856     | 15.4 lb     |
3500     | 124-3170, 124-3178, 124-3189, 130-2600     |
4P-6538     | 7E-9534     | 38.5 lb     |
3500     | 124-3170, 124-3178, 124-3189, 130-2600     |
7C-3999     | 4W-6627     | 50 lb     |
3600     | 161-1516     | 4P-6538     | 7E-9534     | 38.5 lb     |
3600     | 108-6486, 161-1515     |
7C-3999     | 4W-6627     | 50 lb     |
3600     | 161-1517, 161-1518     |
7E-8415     | 4W-6628     | 79 lb     |
3600     | 109-1550     | 7E-8416     | 7E-8417     | 104 lb     |
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