Flowserve L120 Series Limitorque Actuation Systems - Manual (Page 33)

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Limitorque Actuation Systems L120 Series FCD LMENIM1201-04-AQ – 05/15
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9. Replace Declutch Lever (piece 9) on the pinion and against the stop.
10. While holding the cap steady, rotate the Pinion Shaft (piece 12) against the spring tension until the
holes in the shaft and lever align.
11. Insert Roll Pin (piece 10).
12. Slide Declutch Shaft (piece 7) into the housing, ensuring that the Declutch Shaft (piece 7) fits
correctly into the groove in the Handwheel Clutch Sleeve (piece 19 of Figure 5.2).
13. Install the declutch cap assembly into the housing, finding the nearest tooth on the internal spur
gear which will allow the cap to be secured without placing tension on the Declutch Actuator (piece
7-1) causing it to rub against the groove in the Handwheel Declutch Sleeve (piece 19 of Figure 5.2).
6.9.3 Install the Motor (Refer to Figure 5.2)
1. Install the Motor Pinion (piece 38) and Elastic Stop Nut (piece 40) onto the motor shaft.
NOTE: The elastic stop nut should not be reused. It is recommended that a new nut be used during
reassembly.
2. Install conduit Nipple Flange (piece 30) and Seal (piece 42) onto the conduit nipple in the flange and
secure the motor. Secure the nipple flange.
6.9.4 Lubrication Procedure
1. Set unit on mounting base.
2. Grease through the grease fitting located on the motor adapter, watch for grease entering the
housing cavity.
3. Grease through the grease fitting in the housing cover until the adapter has been completely
greased and grease can be seen entering the drive sleeve compartment.
4. Reposition the unit “nameplate down”.
5. Finish filling housing cavity through the gear limit switch opening to within 1/2” from the bottom of
the gear limit switch opening.
6.9.5 Install Geared Limit Switch, Torque Switch
and Finish Assembly
1. Install torque and limit switch into the switch compartment housing.
NOTE: The limit switch must be reset before the actuator is placed back into service. The Torque
Switch may need to be rebalanced. If required see Section 4.4.2, Balancing Torque Switch.
2. Connect all electrical leads in the switch compartment.
3. Replace the compartment cover, handwheel and thrust base, if applicable, to complete the
assembly.