NORAC UC4+BC+HD4 Part 1 - Manual (Page 28)

24
Use the dimensioned drawing below as a guide
for drilling the valve block mounting holes for
the LPZ boom. Drill holes large enough to
accommodate 3/8” bolts. Y = 111.1mm (4.375 in)
X = 82.5mm (3.25 in)
See Section 7 for a drilling stencil.
Figure 27: NORAC Valve Block Mounting Hole Dimensions