salmson LRL Manuel D'installation Et Mise En Service page 46

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9.1.2 Changing the motor
(pump version with standard motor)
Dismantling
Installation
40
• Reset the fuse.
• Comply with the commissioning measures, see chapter 8 "Commis-
sioning" on page 37.
To change/dismantle the motor for pumps with a standard motor,
please refer to Fig. 3, (Item 41):
• Disconnect the system from the power and secure it against being
switched on.
• Close the shut-off valves in front of and behind the pump.
• Depressurise the pump by opening the bleed valve (Item 9).
WARNING! Danger due to extremely hot or extremely cold pressu-
rised fluid!
Depending on the temperature of the fluid and the system pres-
sure, when the venting screw is opened completely, extremely hot
or extremely cold fluid in liquid or vapour form may escape or shoot
out at high pressure.
• Always exercise caution when opening the venting screw.
• Disconnect the motor if the cable for dismantling the motor is too
short.
• Loosen the grub screws (Item 4) on the plug shaft (Item 12).
• Remove the motor by loosening the flange screws (Item 13/14/15).
To install the motor for pumps with a standard motor, please refer to
Fig. 3:
• Secure the (new) motor in place with the flange screws (Item 13/14/
15). When doing this observe the tightening torques specified in the
following table:
Screw connection
Pump
M6
housing
M10
Lantern
M8
Lantern
M10
Motor
M12
• Push the forked spacer (Fig. 4, Item A) between the lantern and plug
shaft. The forked spacer must sit there without any play.
• Secure the plug shaft (Item 12) in place with the grub screws (Item 4).
When doing this observe the tightening torques specified in the fol-
lowing table:
Screw
M6
M8
M10
• Fix the grub screws in place with adhesive (e.g.LOCK AN 302 WEICON
adhesive)
• Remove the forked spacer again.
• Connect the motor.
• Open the valves in front of and behind the pump.
• Reset the fuse.
Tightening
Installation
torque
instructions
Nm ± 10 %
10
• Tighten evenly
35
and diagonally
25
• Tighten evenly
35
and diagonally
60
Tightening torque
8 Nm
20 Nm
30 Nm
Salmson 12/2017

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