Flowserve L120-190 through L120-2000 - Manual (Page 42)

Limitorque ® L120-190 through L120-2000 FCD LMENIM1203-00 – 10/11
42
28. Install Clutch Tripper (piece #34-A, 34-B) and Tripper Spring (piece #58).
29. Install Declutch Housing Cover (piece #3) and Declutch Cover Gasket (piece #54-11).
30. Ensure that Handwheel Oil Seal (piece #54-8) is in place.
31. Install Worm Shaft End Cap (piece #4) and Worm Shaft End Cap Gaskets (piece #54-2).
NOTE: Ensure that the same number of gaskets is installed as were removed during disassembly.
Thickness of gaskets must be sufficient to prevent end cap from bearing on drive shaft.
32. Install Worm Gear (piece #13).
33. Install Torque Drive Sleeve (piece #8) and Drive Sleeve Thrust Bearing (piece #40).
34. Apply fresh, clean lubricant in actuator housing. For quantity see Section 7.1, Lubrication.
35. Install Housing Cover Gasket (piece #54-7) and Housing Cover (piece #3).
36. Install Handwheel Clutch (piece #83), Handwheel (piece #5), and Handwheel Washer (piece #88) on
Handwheel Shaft and Pinion (piece #18).
37. Install Torque Switch (piece #301) and Geared Limit Switch (piece #305).
38. Connect motor leads and leads to torque switch and geared limit switch.
8.2.4 Drive 2 (Thrust Housing Only) Reassembly
1. If Thrust Adapter Assembly (piece #125) is not disassembled, go to Step No. 7.
NOTE: Thrust bearing races should be pressed on Thrust Drive Sleeve (piece #126), in Thrust
Adapter Housing (piece #125), and Thrust Bearing Cartridge (piece #128) prior to beginning
assembly procedure.
2. Install Lower Bearing Roller Assembly (piece #131) in Thrust Adapter Housing (piece #125).
3. Install short end of Thrust Drive Sleeve (piece #126) into Thrust Adapter Housing (piece #125).
4. Install Upper Bearing Roller Assembly (piece #131) on the Thrust Drive Sleeve (piece #126).
5. Install Thrust Bearing Cartridge (piece #128), thread tight, or until drag is felt on thrust drive sleeve
and tighten screw.
6. Install Oil Seal (piece #54-6) and Seal Retainer Plate (piece #129).
7. Lift actuator or turn upside down. Install Housing Thrust Adapter Assembly (piece #125). Ensure
that Thrust Drive Sleeve O-Ring (piece #134) is in place.
8. Install Stem Nut (piece #127).
9. Install Drive Sleeve Locknut (piece #130) and crimp or stake the top threads to two places.
c WARNING: Drive sleeve locknut has left-hand threads and must be rotated counterclockwise.