Flowserve QX Limitorque - Manual (Page 23)

23
Limitorque QX Electronic Actuator FCD LMENIM3314-00 – 5/11
flowserve.com
4.1.2 Motor subassembly Remounting. QX-1 thru 5.
Step 1
c WARNING: Hazardous Voltage! Turn off all power sources to actuator before removing motor assembly. Power
sources may include main power or control power.
If motor wiring was removed reroute wiring thru housing over to the motor control board. Do not connect motor
wiring connector until motor is mounted in unit. Rotate motor coupling slot to correct position on motor to match
motor cartridge pin orientation noting motor bracket position to unit housing per Figure 4.3 and slide motor assembly
into housing aligning the motor coupling bore and slot to the motor cartridge shaft and pin and the motor bracket to
the unit housing.
(See Figure 4.3 listed for motor bracket orientation to unit housing).
Figure 4.3 - Motor Bracket Orientation View
Step 2
Reconnect motor wiring connector to motor control board. Install the five M4 screws (#13-4) and tighten.
(See section 7 for motor wiring connection).
Step 3
Lightly lubricate ‘O’-ring (#15-1) and install around motor cover spigot/pilot (#15-2). Slide motor cover spigot/pilot
into the unit housing.
Step 4
Fit the 3 screws (#15-6) into motor cover mounting holes and tighten to torque in section 2.