Dukane Ultrasonic Hand Held System iQ Series - Manual (Page 47)

Page 41
Section 6 – Probes and Probe Stacks
Dukane Manual Part No. 403-577-01
6. Thread the components together and tighten to the
following torque specifications using only the correct
size wrenches. Use spanner wrenches on components
with spanner wrench holes or an open end wrench on
components with wrench flats. See Figure 6–5 for the
correct procedure. Refer to Table 6-III for torque unit
conversions. Be careful not to overtighten.
Table 6-III Horn/Booster Torque Unit Conversions
NOTE
Horn and booster torque specifications
are higher than stud torque specs. Be
sure to tighten the horn or booster joints
to the higher torque limits.
Do not tighten the studs to these higher
ratings as it may induce unnecessary
stress in the assembly.
In-lb Ft-lb N-m kHz
540 45 61 15 kHz stack
420 35 47.5 20 kHz stack
216 18 24.4 30 kHz stack
216 18 24.4 40 kHz stack