Vogelsang VX100Q - 4.2 PTO drive

Rotary lobe pump
Operating instructions
VX100Q/VX136Q/VX186Q, VX136QD/VX186QD, VX136QDM2/VX186QDM2
13/61
Pos: 54 /Überschri ften/Überschrift 2 /Schlepper antrieb @ 0\ mod_1109927 246117_48.doc @ 1233 @ 2 @ 1
4.2 PTO drive
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Risk of noise and vibration due to incorrect connection and orientation of the cardan
shafts
Development of noise and vibrations can cause impairment of communication and discomfort. Therefore:
• Read operating manual of the cardan shaft manufacturer and follow the instructions. Observe
permissible flex angle and minimum profile overlapping of the cardan shafts.
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Danger from rotating shaft end
In order to prevent the hands or the work clothing from getting caught on the rotating shaft end (without
cardan shaft), the pump may only be operated with a suitable PTO shaft guard. Please contact us.
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If you are using tractor driven pumps with two drive shafts, connect either the upper or lower the cardan
shafts thus determining the direction of flow.
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Limitation of operating torque for PTO drive
In order to prevent overloading the pump drive shaft, the operating torque must be limited:
Operating torque limited to
For cardan shafts with profile 1 3/8”, 6-parts 1600 Nm
For cardan shafts with profile 1 3/4”, 6-parts 3200 Nm
For cardan shafts with profile 1 3/4”, 20-parts 3200 Nm
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No overpressure protection via operating torque limitation
This operating torque limitation is not a safety device to prevent pump overpressure. (see 'Theoretical
operating torque’ in the  chapter “Technical data".
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Risk of crushing due to seized couplings of the cardan shafts
• In order to prevent the coupling from seizing, make sure assembly is clean and make sure that the
PTO shaft is in flawless condition.
• Wear protective gloves.
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Fig.
3
: PTO drive
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