WBV.PU.002.EN VX136Q V2.0
Tightening torque for strain bolts
• Tighten the M 16 strain bolt (10.9, steel) with 200 Nm, then loosen it and tighten again
with 140 Nm.
• Tighten the M 16 strain bolt (A4, stainless steel) with 160 Nm, then loosen it and tighten again
with 140 Nm.
7. Close the Q cover Chap. "Closing the Q cover".
8. Adjust the pressure in the buffer chamber if necessary Chap. "Buffer chamber".
HiFloplus-rotary lobes, in contrast to HiFlo rotary lobes, have a second groove. The groove, which in the
“arrangement HiFloplus" is not to be used, is marked in red.
Fig. 23: HiFlo and HiFloplus arrangement
(L = left lobe, R = right lobe)
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