Flowserve Limitorque L120-190 - Drive 1 (Torque Housing) Reassembly

Limitorque
®
L120-190 through L120-2000 FCD LMENIM1203-01-A4 – 05/15
40
21. Remove bearing cartridge/worm assembly from actuator. To disassemble further:
A. Loosen two setscrews on Bearing Cartridge Cap (piece #16-1), and unscrew Bearing Cartridge
Stem (piece #16-8).
B. Slide bearing cartridge cap off toward worm threads.
C. Loosen setscrew and remove Bearing Locknut (piece #44-1).
D. Press off two Bearings (piece #73).
7.2.3 Drive 1 (Torque Housing) Reassembly
1. Press two Bearings (piece #73) onto worm. It may be necessary to apply heat to the bearings.
Ensure that the bearing spacer is installed.
2. Install Bearing Lock Nut (piece #44-1) and tighten screw.
3. Apply head to Bearing Cartridge Cap (piece #16-1) and drop on bearing from worm end. Ensure that
cartridge cap seats on bearing.
4. Install bearing cartridge/worm assembly in housing.
5. Replace the following in the order listed:
A. Thrust Washer (piece #16-2)
B. Belleville Springs (piece #16-3)
C. Torque Limit Sleeve (piece #16-5)
D. Thrust Washer (piece #16-2)
Ensure flat side of thrust washer is against springs.
6. Thread Cartridge Stem Nut (piece #16-10) onto Bearing Cartridge Stem (piece #16-8) by hand.
7. Slide bearing cartridge/worm assembly into housing.
8. Install Hollow Drive Shaft (piece #17).
9. Install Gear Limit Threaded Collar (piece #76) and key on motor end of hollow drive shaft with
threaded end toward worm.
10. Slide Bearing (piece #52-8) onto shaft.
11. Thread Bearing Locknut (piece #81-1) on shaft and tighten setscrew. Hold Drive Shaft using adjust-
able spanner on splines.
12. Re-install motor as follows:
A. Push Hollow Drive Shaft (piece #17) to declutch and install Bearing Spacer (piece #101).
B. Install motor gearing by meshing Drive Shaft Gear (piece #32-2) and Intermediate Pinion
(piece #32-1) and pressing combined assembly into housing bores.
C. Install motor gear shims in motor adapter bearing bores and install Motor Adapter Gasket
(piece #105) and Motor Adapter (piece #22). Tap adapter to ensure bearings seat.
D. Check intermediate pinion and shaft for proper shims.
E. Install motor.