3512E Petroleum Engine Caterpillar


Fuel Injector

Usage:

SPF743 MLX


Illustration 1g06058390


Illustration 2g06058389
Tightening Sequence

Table 1
Specification for 442-1754 Fuel Injector Gp 
Item  Qty  Part  Specification Description 
227-0135 Plug  Torque to 10 ± 2 N·m (88 ± 17 lb in)
107-0269 Bolt  Use the following procedure to tighten the bolts in the numerical sequence shown in illustration 2.
1. First tighten all bolts to 3 ± 1 N·m (27 ± 9 lb in).
2.Tighten bolt 4 to 3 ± 1 N·m (27 ± 9 lb in) and turn to an extra angle of 130 ± 1 degrees.
3. Tighten bolt 1 to 3 ± 1 N·m (27 ± 9 lb in) and turn to an extra angle of 130 ± 1 degrees.
4. Tighten bolt 3 to 3 ± 1 N·m (27 ± 9 lb in) and turn to an extra angle of 95 ± 1 degrees.
5. Tighten bolt 2 to 3 ± 1 N·m (27 ± 9 lb in) and turn to an extra angle of 95 ± 1 degrees.
6. Tighten all bolts to final torque of 28 ± 7 N·m (248 ± 62 lb in)

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