SOHC Casting Seat Cutter Gauge ISX15/QSX15

The Casting Seat Cutter Gauge (PN: 414-6157-29) is a component of the Cummins SOHC Injector Seat Casting Repair Kit (PN: 450-6117-60). It is used with the gauge finger (433-6991-00) and the dimensional pilot at the end of the casting seat cutter (414-6157-28) to control the cutter’s depth.

The Casting Seat Cutter Gauge (PN: 414-6157-29) is a crucial component of the Cummins SOHC Injector Seat Casting Repair Kit (PN: 450-6117-60). It is used in conjunction with other tools to rebuild the casting injector seat.

Key Uses:

• Ensuring Correct Seat Depth: The correct seat depth when cutting a new injector seat is achieved by using the gauge finger (433-6991-00) and the casting seat cutter gauge (414-6157-29) with the dimensional pilot at the end of the cutter.
• Shimming for Resurfacing: An allowance must be made for any future resurfacing of the head by shimming up the seat cutter gauge on the gauge finger accordingly.

To use the gauge, mount the gauge finger on the casting with the flat surface of the gauge finger directly below the injector hole. Operate the seat cutter at 60/80 RPM while keeping it well lubricated, cut the new injector seat, bringing the cutter slowly down until the dimensional pilot at the end of the cutter bottoms on the casting seat cutter gauge.