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• Install a suitable pulley on the smooth shaft as close as possible to the pump: max 35 mm.
• Apply an adequate belt tension (see manufacturer’s data). Max 3000N.
• Do not use driven or driving pulleys with a pitch diameter inferior to 180 mm. Small pulleys
require a high belt tension which may cause premature wear to the bearing or transmission
troubleshooting.
Drive min. pulley pitch diam. Belts LC pump max. speed
mm rpm
180 XPB x 3 1300
NOTE
A limited speed ratio allows a longer belts life while reducing stress on the shafts. When possible, prefer:
• pulleys with a pitch diameter bigger than the one indicated;
• motors or power take-offs with a speed similar to the one of the pump.
• Motor features
Displacement
Operating
pressure
(max. vac.)
Operating
pressure
(1 rel. bar)
Flow (at
1300 rpm)
Max
pressure
draining line
Max. pressure
motor exhaust
Model
cc/rev bar bar l/min bar bar
bar
LC300
61 125 150 83 200
LC420
72 135 175 98
5 5
200
• Fluid: mineral oil for hydraulic systems in compliance with ISO/DIN.
Temperature Optimum viscosity Max. viscosity allowed
° C cSt cSt
-20 / +80 12 - 100 750
• Filtration: class 19/16 contamination according to ISO 4406
to be obtained with a ß
x
= 75 filter
• Check circuit connections
:
they must be applied in the same
rotation direction as that indicated by the arrow on the pump
front flange.
• Draining: connect directly to the tank above the maximum oil
level. Operating without draining line may damage the motor.
HYDRAULIC DRIVE
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