Mounting the machining arm
P/N 63674, Rev. 9 Page 37
The counterweight and machining arm have numbered increments along the
mounting surfaces. Each numbered slot in the machining arm coincides with a
numbered bolt position on the counterweight arm. Make sure that you move the
counterweight one bolt space for each slot you move the machining arm.
FIGURE 3-20. COUNTERWEIGHT
FIGURE 3-21. MACHINING ARM
The milling head has 24" (609.6 mm) of travel along the machining arm.