The Torque Value Has Changed For High Temperature Locknut {7553}
- Commercial Engines:
- 3500 Series
- 3500B Series
- G3500 Series
Reference: Engine News, SEBD9277, October 1999, "New High Temperature Locknut Used In Engine Exhaust System Groups"
The torque specification for the 168-7800 Locknut has been changed. The new torque specification is 55 ± 5 N·m (41 ± 4 lb ft). The 168-7800 Locknut is used in many locations in the exhaust systems of these engines.
Please make a note of this information in the appropriate Specifications Manuals and Disassembly and Assembly Manuals.
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