Smb-5 (thrust housing) – Flowserve SMB Series Electric Actuators User Manual
Page 72

SMB Series/SB Series Installation and Maintenance FCD LMENIM1401-04-AQ – 01/15
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NOTE: Ensure that the Oil Seal (piece #105) is properly installed.
31. Install the Declutch Lever (piece #9) and tighten the set screw.
32. Rotate the Declutch Lever clockwise, hold in position, and install the Declutch Lever Stop (piece
#28).
33. Install Clutch Trippers (piece #33 and 34) and the Tripper Spring (piece #67).
34. Install the Declutch Housing Cover (piece #4) and Gasket (piece #82).
NOTE: Ensure that Handwheel Oil Seal (piece #108) is in place.
35. Install Worm Shaft End Cap (piece #7) and Gasket (piece #83).
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CAUTION: Ensure that the same number of gaskets are installed as were removed during disas-
sembly. Thickness of gaskets must be sufficient to prevent the end cap from bearing on the drive
shaft.
36. Install the Worm Gear (piece #17).
37. Install Torque Drive Sleeve (piece #11) and Drive Sleeve Thrust Bearing (pieces #139 and 140).
38. Apply fresh, clean lubricant in the actuator Housing to 11/2” from top.
39. Install the Housing Cover Gasket (piece #79) and the Housing Cover (piece #3).
SMB-5 (Thrust Housing)
NOTE: If the thrust Adapter Housing (piece #125) assembly was not disassembled, continue to Step
6.
NOTE: Thrust bearing races should be pressed on the Thrust Drive Sleeve (piece #126), in the Thrust
Adapter Housing (piece #125), and the Thrust Bearing Cartridge (piece #128) prior to beginning
reassembly procedure.
1. Install the Lower Thrust Bearing (piece #131) in the Thrust Adapter Housing (piece #125).
2. Install the short end of the Thrust Drive Sleeve (piece #126) into the Thrust Adapter Housing
(piece #125).
3. Install the Upper Thrust Bearing (piece #131) on the Thrust Drive Sleeve (piece #126).
4. Install the Thrust Bearing Cartridge (piece #128), thread in tight or until drag is felt on Thrust
Drive Sleeve, and tighten
set screw.
5. Install Oil Seal (piece #132) and Seal Retainer Plate (piece #129).
6. Lift the actuator or turn upside down and install Thrust Adapter Housing (piece #125).
NOTE: Ensure that the Thrust Drive Sleeve O-Ring (piece #134) is in place.
7. Install Stem Nut (piece #127).
8. Install Drive Sleeve Locknut (piece #130) and crimp or stake the top threads in two places.
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CAUTION: The SMB-5 drive sleeve locknut has left-hand threads and must be rotated counter-
clockwise to install.