Operators manual for the Pentruder 8 – 20HF IQ and Pentpak 427
Page 4
Tractive Support
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Oil lubricated speed reduction gearbox in the HF-motor with precision ground helical gears.
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For optimum accessibility the saw arm can be rotated through 360 degrees in either
direction.
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The saw head accepts a 1000 mm (40”) saw blade free from the wall.
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Double motor cooling system, i.e. both rotor and stator are cooled, for sustained reliable
power and high efficiency.
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Efficient water supply to blade central through blade flange, even for flush cutting blades.
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Travel and feed motors are protected within the chassis body. No electric parts except for
connectors are exposed.
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Travel and feed transmission is by means of planetary gear transmission and a self blocking
worm gear transmission. No risk for unexpected movements of the saw head as a result of a
failed electric motor brake.
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The worm screws are supported by oil lubricated axial needle roller bearings and axial thrust
ball bearings.
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The HF-motor has a long life multi plate slip clutch for protection of the gear train if a blade is
jammed. The slip clutch can easily be removed and serviced, or replaced if needed.
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The arm rotation transmission is protected by a multi plate slip clutch if a blade is jammed.
The operator can just “move back” from the cut and start again. Also this slip clutch can
easily be removed and serviced if needed.
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The lower pair of conical rollers are fitted on adjustable eccentric shafts.
